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Merge commit '5e477ec553aa48d7d19b5a7c45d41acbb3392bcb' into feature/rare_kaon

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Antonin Portelli 2017-04-10 17:23:37 +01:00
commit fe8d625694
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3
extras/Hadrons/Modules.hpp
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@ -29,10 +29,13 @@ See the full license in the file "LICENSE" in the top level distribution directo
#include <Grid/Hadrons/Modules/MAction/DWF.hpp>
#include <Grid/Hadrons/Modules/MAction/Wilson.hpp>
#include <Grid/Hadrons/Modules/MContraction/Baryon.hpp>
#include <Grid/Hadrons/Modules/MContraction/DiscLoop.hpp>
#include <Grid/Hadrons/Modules/MContraction/Gamma3pt.hpp>
#include <Grid/Hadrons/Modules/MContraction/Meson.hpp>
#include <Grid/Hadrons/Modules/MContraction/WeakHamiltonian.hpp>
#include <Grid/Hadrons/Modules/MContraction/WeakHamiltonianEye.hpp>
#include <Grid/Hadrons/Modules/MContraction/WeakHamiltonianNonEye.hpp>
#include <Grid/Hadrons/Modules/MContraction/WeakNeutral4ptDisc.hpp>
#include <Grid/Hadrons/Modules/MGauge/Load.hpp>
#include <Grid/Hadrons/Modules/MGauge/Random.hpp>
#include <Grid/Hadrons/Modules/MGauge/Unit.hpp>

144
extras/Hadrons/Modules/MContraction/DiscLoop.hpp Normal file
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@ -0,0 +1,144 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: extras/Hadrons/Modules/MContraction/DiscLoop.hpp
Copyright (C) 2017
Author: Andrew Lawson <andrew.lawson1991@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_DiscLoop_hpp_
#define Hadrons_DiscLoop_hpp_
#include <Grid/Hadrons/Global.hpp>
#include <Grid/Hadrons/Module.hpp>
#include <Grid/Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* DiscLoop *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MContraction)
class DiscLoopPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(DiscLoopPar,
std::string, q_loop,
Gamma::Algebra, gamma,
std::string, output);
};
template <typename FImpl>
class TDiscLoop: public Module<DiscLoopPar>
{
TYPE_ALIASES(FImpl,);
class Result: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(Result,
Gamma::Algebra, gamma,
std::vector<Complex>, corr);
};
public:
// constructor
TDiscLoop(const std::string name);
// destructor
virtual ~TDiscLoop(void) = default;
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
// setup
virtual void setup(void);
// execution
virtual void execute(void);
};
MODULE_REGISTER_NS(DiscLoop, TDiscLoop<FIMPL>, MContraction);
/******************************************************************************
* TDiscLoop implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TDiscLoop<FImpl>::TDiscLoop(const std::string name)
: Module<DiscLoopPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TDiscLoop<FImpl>::getInput(void)
{
std::vector<std::string> in = {par().q_loop};
return in;
}
template <typename FImpl>
std::vector<std::string> TDiscLoop<FImpl>::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TDiscLoop<FImpl>::setup(void)
{
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TDiscLoop<FImpl>::execute(void)
{
LOG(Message) << "Computing disconnected loop contraction '" << getName()
<< "' using '" << par().q_loop << "' with " << par().gamma
<< " insertion." << std::endl;
CorrWriter writer(par().output);
PropagatorField &q_loop = *env().template getObject<PropagatorField>(par().q_loop);
LatticeComplex c(env().getGrid());
Gamma gamma(par().gamma);
std::vector<TComplex> buf;
Result result;
c = trace(gamma*q_loop);
sliceSum(c, buf, Tp);
result.gamma = par().gamma;
result.corr.resize(buf.size());
for (unsigned int t = 0; t < buf.size(); ++t)
{
result.corr[t] = TensorRemove(buf[t]);
}
write(writer, "disc", result);
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_DiscLoop_hpp_

170
extras/Hadrons/Modules/MContraction/Gamma3pt.hpp Normal file
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@ -0,0 +1,170 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: extras/Hadrons/Modules/MContraction/Gamma3pt.hpp
Copyright (C) 2017
Author: Andrew Lawson <andrew.lawson1991@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_Gamma3pt_hpp_
#define Hadrons_Gamma3pt_hpp_
#include <Grid/Hadrons/Global.hpp>
#include <Grid/Hadrons/Module.hpp>
#include <Grid/Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/*
* 3pt contraction with gamma matrix insertion.
*
* Schematic:
*
* q2 q3
* /----<------*------<----¬
* / gamma \
* / \
* i * * f
* \ /
* \ /
* \----------->----------/
* q1
*
* trace(g5*q1*adj(q2)*g5*gamma*q3)
*/
/******************************************************************************
* Gamma3pt *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MContraction)
class Gamma3ptPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(Gamma3ptPar,
std::string, q1,
std::string, q2,
std::string, q3,
Gamma::Algebra, gamma,
std::string, output);
};
template <typename FImpl1, typename FImpl2, typename FImpl3>
class TGamma3pt: public Module<Gamma3ptPar>
{
TYPE_ALIASES(FImpl1, 1);
TYPE_ALIASES(FImpl2, 2);
TYPE_ALIASES(FImpl3, 3);
class Result: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(Result,
Gamma::Algebra, gamma,
std::vector<Complex>, corr);
};
public:
// constructor
TGamma3pt(const std::string name);
// destructor
virtual ~TGamma3pt(void) = default;
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
// setup
virtual void setup(void);
// execution
virtual void execute(void);
};
MODULE_REGISTER_NS(Gamma3pt, ARG(TGamma3pt<FIMPL, FIMPL, FIMPL>), MContraction);
/******************************************************************************
* TGamma3pt implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl1, typename FImpl2, typename FImpl3>
TGamma3pt<FImpl1, FImpl2, FImpl3>::TGamma3pt(const std::string name)
: Module<Gamma3ptPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl1, typename FImpl2, typename FImpl3>
std::vector<std::string> TGamma3pt<FImpl1, FImpl2, FImpl3>::getInput(void)
{
std::vector<std::string> in = {par().q1, par().q2, par().q3};
return in;
}
template <typename FImpl1, typename FImpl2, typename FImpl3>
std::vector<std::string> TGamma3pt<FImpl1, FImpl2, FImpl3>::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl1, typename FImpl2, typename FImpl3>
void TGamma3pt<FImpl1, FImpl2, FImpl3>::setup(void)
{
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl1, typename FImpl2, typename FImpl3>
void TGamma3pt<FImpl1, FImpl2, FImpl3>::execute(void)
{
LOG(Message) << "Computing 3pt contractions '" << getName() << "' using"
<< " quarks '" << par().q1 << "', '" << par().q2 << "' and '"
<< par().q3 << "', with " << par().gamma << " insertion."
<< std::endl;
CorrWriter writer(par().output);
PropagatorField1 &q1 = *env().template getObject<PropagatorField1>(par().q1);
PropagatorField2 &q2 = *env().template getObject<PropagatorField2>(par().q2);
PropagatorField3 &q3 = *env().template getObject<PropagatorField3>(par().q3);
LatticeComplex c(env().getGrid());
Gamma g5(Gamma::Algebra::Gamma5);
Gamma gamma(par().gamma);
std::vector<TComplex> buf;
Result result;
c = trace(g5*q1*adj(q2)*(g5*gamma)*q3);
sliceSum(c, buf, Tp);
result.gamma = par().gamma;
result.corr.resize(buf.size());
for (unsigned int t = 0; t < buf.size(); ++t)
{
result.corr[t] = TensorRemove(buf[t]);
}
write(writer, "gamma3pt", result);
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_Gamma3pt_hpp_

28
extras/Hadrons/Modules/MContraction/WeakHamiltonian.hpp
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@ -79,6 +79,34 @@ public:
std::string, output);
};
#define MAKE_WEAK_MODULE(modname)\
class T##modname: public Module<WeakHamiltonianPar>\
{\
public:\
TYPE_ALIASES(FIMPL,)\
class Result: Serializable\
{\
public:\
GRID_SERIALIZABLE_CLASS_MEMBERS(Result,\
std::string, name,\
std::vector<Complex>, corr);\
};\
public:\
/* constructor */ \
T##modname(const std::string name);\
/* destructor */ \
virtual ~T##modname(void) = default;\
/* dependency relation */ \
virtual std::vector<std::string> getInput(void);\
virtual std::vector<std::string> getOutput(void);\
/* setup */ \
virtual void setup(void);\
/* execution */ \
virtual void execute(void);\
std::vector<std::string> VA_label = {"V", "A"};\
};\
MODULE_REGISTER_NS(modname, T##modname, MContraction);
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE

27
extras/Hadrons/Modules/MContraction/WeakHamiltonianEye.hpp
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@ -49,32 +49,7 @@ enum
#define MAKE_SE_BODY(Q_1, Q_2, Q_3, gamma) (Q_3*g5*Q_1*adj(Q_2)*g5*gamma)
#define MAKE_SE_LOOP(Q_loop, gamma) (Q_loop*gamma)
class TWeakHamiltonianEye: public Module<WeakHamiltonianPar>
{
public:
TYPE_ALIASES(FIMPL,)
class Result: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(Result,
std::string, name,
std::vector<Complex>, corr);
};
public:
// constructor
TWeakHamiltonianEye(const std::string name);
// destructor
virtual ~TWeakHamiltonianEye(void) = default;
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
// setup
virtual void setup(void);
// execution
virtual void execute(void);
};
MODULE_REGISTER_NS(WeakHamiltonianEye, TWeakHamiltonianEye, MContraction);
MAKE_WEAK_MODULE(WeakHamiltonianEye)
END_MODULE_NAMESPACE

27
extras/Hadrons/Modules/MContraction/WeakHamiltonianNonEye.hpp
View File

@ -48,32 +48,7 @@ enum
// Wing and Connected subdiagram contractions
#define MAKE_CW_SUBDIAG(Q_1, Q_2, gamma) (Q_1*adj(Q_2)*g5*gamma)
class TWeakHamiltonianNonEye: public Module<WeakHamiltonianPar>
{
public:
TYPE_ALIASES(FIMPL,)
class Result: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(Result,
std::string, name,
std::vector<Complex>, corr);
};
public:
// constructor
TWeakHamiltonianNonEye(const std::string name);
// destructor
virtual ~TWeakHamiltonianNonEye(void) = default;
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
// setup
virtual void setup(void);
// execution
virtual void execute(void);
};
MODULE_REGISTER_NS(WeakHamiltonianNonEye, TWeakHamiltonianNonEye, MContraction);
MAKE_WEAK_MODULE(WeakHamiltonianNonEye)
END_MODULE_NAMESPACE

135
extras/Hadrons/Modules/MContraction/WeakNeutral4ptDisc.cc Normal file
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@ -0,0 +1,135 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: extras/Hadrons/Modules/MContraction/WeakNeutral4ptDisc.cc
Copyright (C) 2017
Author: Andrew Lawson <andrew.lawson1991@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Grid/Hadrons/Modules/MContraction/WeakNeutral4ptDisc.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MContraction;
/*
* Weak Hamiltonian + current contractions, disconnected topology for neutral
* mesons.
*
* These contractions are generated by operators Q_1,...,10 of the dS=1 Weak
* Hamiltonian in the physical basis and an additional current J (see e.g.
* Fig 11 of arXiv:1507.03094).
*
* Schematic:
*
* q2 q4 q3
* /--<--¬ /---<--¬ /---<--¬
* / \ / \ / \
* i * * H_W | J * * f
* \ / \ / \ /
* \--->---/ \-------/ \------/
* q1
*
* options
* - q1: input propagator 1 (string)
* - q2: input propagator 2 (string)
* - q3: input propagator 3 (string), assumed to be sequential propagator
* - q4: input propagator 4 (string), assumed to be a loop
*
* type 1: trace(q1*adj(q2)*g5*gL[mu])*trace(loop*gL[mu])*trace(q3*g5)
* type 2: trace(q1*adj(q2)*g5*gL[mu]*loop*gL[mu])*trace(q3*g5)
*/
/*******************************************************************************
* TWeakNeutral4ptDisc implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
TWeakNeutral4ptDisc::TWeakNeutral4ptDisc(const std::string name)
: Module<WeakHamiltonianPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
std::vector<std::string> TWeakNeutral4ptDisc::getInput(void)
{
std::vector<std::string> in = {par().q1, par().q2, par().q3, par().q4};
return in;
}
std::vector<std::string> TWeakNeutral4ptDisc::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
void TWeakNeutral4ptDisc::setup(void)
{
}
// execution ///////////////////////////////////////////////////////////////////
void TWeakNeutral4ptDisc::execute(void)
{
LOG(Message) << "Computing Weak Hamiltonian neutral disconnected contractions '"
<< getName() << "' using quarks '" << par().q1 << "', '"
<< par().q2 << ", '" << par().q3 << "' and '" << par().q4
<< "'." << std::endl;
CorrWriter writer(par().output);
PropagatorField &q1 = *env().template getObject<PropagatorField>(par().q1);
PropagatorField &q2 = *env().template getObject<PropagatorField>(par().q2);
PropagatorField &q3 = *env().template getObject<PropagatorField>(par().q3);
PropagatorField &q4 = *env().template getObject<PropagatorField>(par().q4);
Gamma g5 = Gamma(Gamma::Algebra::Gamma5);
LatticeComplex expbuf(env().getGrid());
std::vector<TComplex> corrbuf;
std::vector<Result> result(n_neut_disc_diag);
unsigned int ndim = env().getNd();
PropagatorField tmp(env().getGrid());
std::vector<PropagatorField> meson(ndim, tmp);
std::vector<PropagatorField> loop(ndim, tmp);
LatticeComplex curr(env().getGrid());
// Setup for type 1 contractions.
for (int mu = 0; mu < ndim; ++mu)
{
meson[mu] = MAKE_DISC_MESON(q1, q2, GammaL(Gamma::gmu[mu]));
loop[mu] = MAKE_DISC_LOOP(q4, GammaL(Gamma::gmu[mu]));
}
curr = MAKE_DISC_CURR(q3, GammaL(Gamma::Algebra::Gamma5));
// Perform type 1 contractions.
SUM_MU(expbuf, trace(meson[mu]*loop[mu]))
expbuf *= curr;
MAKE_DIAG(expbuf, corrbuf, result[neut_disc_1_diag], "HW_disc0_1")
// Perform type 2 contractions.
SUM_MU(expbuf, trace(meson[mu])*trace(loop[mu]))
expbuf *= curr;
MAKE_DIAG(expbuf, corrbuf, result[neut_disc_2_diag], "HW_disc0_2")
write(writer, "HW_disc0", result);
}

59
extras/Hadrons/Modules/MContraction/WeakNeutral4ptDisc.hpp Normal file
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@ -0,0 +1,59 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: extras/Hadrons/Modules/MContraction/WeakNeutral4ptDisc.hpp
Copyright (C) 2017
Author: Andrew Lawson <andrew.lawson1991@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_WeakNeutral4ptDisc_hpp_
#define Hadrons_WeakNeutral4ptDisc_hpp_
#include <Grid/Hadrons/Modules/MContraction/WeakHamiltonian.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* WeakNeutral4ptDisc *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MContraction)
enum
{
neut_disc_1_diag = 0,
neut_disc_2_diag = 1,
n_neut_disc_diag = 2
};
// Neutral 4pt disconnected subdiagram contractions.
#define MAKE_DISC_MESON(Q_1, Q_2, gamma) (Q_1*adj(Q_2)*g5*gamma)
#define MAKE_DISC_LOOP(Q_LOOP, gamma) (Q_LOOP*gamma)
#define MAKE_DISC_CURR(Q_c, gamma) (trace(Q_c*gamma))
MAKE_WEAK_MODULE(WeakNeutral4ptDisc)
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_WeakNeutral4ptDisc_hpp_

2
extras/Hadrons/Modules/Quark.hpp
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@ -173,7 +173,7 @@ void TQuark<FImpl>::execute(void)
*env().template getObject<PropagatorField>(getName());
axpby_ssp_pminus(sol, 0., sol, 1., sol, 0, 0);
axpby_ssp_pplus(sol, 0., sol, 1., sol, 0, Ls_-1);
axpby_ssp_pplus(sol, 1., sol, 1., sol, 0, Ls_-1);
ExtractSlice(tmp, sol, 0, 0);
FermToProp(p4d, tmp, s, c);
}

4
extras/Hadrons/modules.inc
View File

@ -1,6 +1,7 @@
modules_cc =\
Modules/MContraction/WeakHamiltonianEye.cc \
Modules/MContraction/WeakHamiltonianNonEye.cc \
Modules/MContraction/WeakNeutral4ptDisc.cc \
Modules/MGauge/Load.cc \
Modules/MGauge/Random.cc \
Modules/MGauge/Unit.cc
@ -9,10 +10,13 @@ modules_hpp =\
Modules/MAction/DWF.hpp \
Modules/MAction/Wilson.hpp \
Modules/MContraction/Baryon.hpp \
Modules/MContraction/DiscLoop.hpp \
Modules/MContraction/Gamma3pt.hpp \
Modules/MContraction/Meson.hpp \
Modules/MContraction/WeakHamiltonian.hpp \
Modules/MContraction/WeakHamiltonianEye.hpp \
Modules/MContraction/WeakHamiltonianNonEye.hpp \
Modules/MContraction/WeakNeutral4ptDisc.hpp \
Modules/MGauge/Load.hpp \
Modules/MGauge/Random.hpp \
Modules/MGauge/Unit.hpp \

368
tests/hadrons/Test_hadrons.hpp Normal file
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@ -0,0 +1,368 @@
/*******************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: tests/hadrons/Test_hadrons.hpp
Copyright (C) 2017
Author: Andrew Lawson <andrew.lawson1991@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution
directory.
*******************************************************************************/
#include <Grid/Hadrons/Application.hpp>
using namespace Grid;
using namespace Hadrons;
/*******************************************************************************
* Macros to reduce code duplication.
******************************************************************************/
// Useful definitions
#define ZERO_MOM "0. 0. 0. 0."
#define INIT_INDEX(s, n) (std::string(s) + "_" + std::to_string(n))
#define ADD_INDEX(s, n) (s + "_" + std::to_string(n))
#define LABEL_3PT(s, t1, t2) ADD_INDEX(INIT_INDEX(s, t1), t2)
#define LABEL_4PT(s, t1, t2, t3) ADD_INDEX(ADD_INDEX(INIT_INDEX(s, t1), t2), t3)
#define LABEL_4PT_NOISE(s, t1, t2, t3, nn) ADD_INDEX(ADD_INDEX(ADD_INDEX(INIT_INDEX(s, t1), t2), t3), nn)
// Wall source/sink macros
#define NAME_3MOM_WALL_SOURCE(t, mom) ("wall_" + std::to_string(t) + "_" + mom)
#define NAME_WALL_SOURCE(t) NAME_3MOM_WALL_SOURCE(t, ZERO_MOM)
#define NAME_POINT_SOURCE(pos) ("point_" + pos)
#define MAKE_3MOM_WALL_PROP(tW, mom, propName, solver)\
{\
std::string srcName = NAME_3MOM_WALL_SOURCE(tW, mom);\
makeWallSource(application, srcName, tW, mom);\
makePropagator(application, propName, srcName, solver);\
}
#define MAKE_WALL_PROP(tW, propName, solver)\
MAKE_3MOM_WALL_PROP(tW, ZERO_MOM, propName, solver)
// Sequential source macros
#define MAKE_SEQUENTIAL_PROP(tS, qSrc, mom, propName, solver)\
{\
std::string srcName = ADD_INDEX(qSrc + "_seq", tS);\
makeSequentialSource(application, srcName, qSrc, tS, mom);\
makePropagator(application, propName, srcName, solver);\
}
// Point source macros
#define MAKE_POINT_PROP(pos, propName, solver)\
{\
std::string srcName = NAME_POINT_SOURCE(pos);\
makePointSource(application, srcName, pos);\
makePropagator(application, propName, srcName, solver);\
}
/*******************************************************************************
* Functions for propagator construction.
******************************************************************************/
/*******************************************************************************
* Name: makePointSource
* Purpose: Construct point source and add to application module.
* Parameters: application - main application that stores modules.
* srcName - name of source module to create.
* pos - Position of point source.
* Returns: None.
******************************************************************************/
inline void makePointSource(Application &application, std::string srcName,
std::string pos)
{
// If the source already exists, don't make the module again.
if (!(Environment::getInstance().hasModule(srcName)))
{
MSource::Point::Par pointPar;
pointPar.position = pos;
application.createModule<MSource::Point>(srcName, pointPar);
}
}
/*******************************************************************************
* Name: makeSequentialSource
* Purpose: Construct sequential source and add to application module.
* Parameters: application - main application that stores modules.
* srcName - name of source module to create.
* qSrc - Input quark for sequential inversion.
* tS - sequential source timeslice.
* mom - momentum insertion (default is zero).
* Returns: None.
******************************************************************************/
inline void makeSequentialSource(Application &application, std::string srcName,
std::string qSrc, unsigned int tS,
std::string mom = ZERO_MOM)
{
// If the source already exists, don't make the module again.
if (!(Environment::getInstance().hasModule(srcName)))
{
MSource::SeqGamma::Par seqPar;
seqPar.q = qSrc;
seqPar.tA = tS;
seqPar.tB = tS;
seqPar.mom = mom;
seqPar.gamma = Gamma::Algebra::GammaT;
application.createModule<MSource::SeqGamma>(srcName, seqPar);
}
}
/*******************************************************************************
* Name: makeWallSource
* Purpose: Construct wall source and add to application module.
* Parameters: application - main application that stores modules.
* srcName - name of source module to create.
* tW - wall source timeslice.
* mom - momentum insertion (default is zero).
* Returns: None.
******************************************************************************/
inline void makeWallSource(Application &application, std::string srcName,
unsigned int tW, std::string mom = ZERO_MOM)
{
// If the source already exists, don't make the module again.
if (!(Environment::getInstance().hasModule(srcName)))
{
MSource::Wall::Par wallPar;
wallPar.tW = tW;
wallPar.mom = mom;
application.createModule<MSource::Wall>(srcName, wallPar);
}
}
/*******************************************************************************
* Name: makeWallSink
* Purpose: Wall sink smearing of a propagator.
* Parameters: application - main application that stores modules.
* propName - name of input propagator.
* wallName - name of smeared propagator.
* mom - momentum insertion (default is zero).
* Returns: None.
******************************************************************************/
inline void makeWallSink(Application &application, std::string propName,
std::string wallName, std::string mom = ZERO_MOM)
{
// If the propagator has already been smeared, don't smear it again.
// Temporarily removed, strategy for sink smearing likely to change.
/*if (!(Environment::getInstance().hasModule(wallName)))
{
MSink::Wall::Par wallPar;
wallPar.q = propName;
wallPar.mom = mom;
application.createModule<MSink::Wall>(wallName, wallPar);
}*/
}
/*******************************************************************************
* Name: makePropagator
* Purpose: Construct source and propagator then add to application module.
* Parameters: application - main application that stores modules.
* propName - name of propagator module to create.
* srcName - name of source module to use.
* solver - solver to use (default is CG).
* Returns: None.
******************************************************************************/
inline void makePropagator(Application &application, std::string &propName,
std::string &srcName, std::string &solver)
{
// If the propagator already exists, don't make the module again.
if (!(Environment::getInstance().hasModule(propName)))
{
Quark::Par quarkPar;
quarkPar.source = srcName;
quarkPar.solver = solver;
application.createModule<Quark>(propName, quarkPar);
}
}
/*******************************************************************************
* Name: makeLoop
* Purpose: Use noise source and inversion result to make loop propagator, then
* add to application module.
* Parameters: application - main application that stores modules.
* propName - name of propagator module to create.
* srcName - name of noise source module to use.
* resName - name of inversion result on given noise source.
* Returns: None.
******************************************************************************/
inline void makeLoop(Application &application, std::string &propName,
std::string &srcName, std::string &resName)
{
// If the loop propagator already exists, don't make the module again.
if (!(Environment::getInstance().hasModule(propName)))
{
MLoop::NoiseLoop::Par loopPar;
loopPar.q = resName;
loopPar.eta = srcName;
application.createModule<MLoop::NoiseLoop>(propName, loopPar);
}
}
/*******************************************************************************
* Contraction module creation.
******************************************************************************/
/*******************************************************************************
* Name: mesonContraction
* Purpose: Create meson contraction module and add to application module.
* Parameters: application - main application that stores modules.
* npt - specify n-point correlator (for labelling).
* q1 - quark propagator 1.
* q2 - quark propagator 2.
* label - unique label to construct module name.
* mom - momentum to project (default is zero)
* gammas - gamma insertions at source and sink.
* Returns: None.
******************************************************************************/
inline void mesonContraction(Application &application, unsigned int npt,
std::string &q1, std::string &q2,
std::string &label,
std::string mom = ZERO_MOM,
std::string gammas = "<Gamma5 Gamma5>")
{
std::string modName = std::to_string(npt) + "pt_" + label;
if (!(Environment::getInstance().hasModule(modName)))
{
MContraction::Meson::Par mesPar;
mesPar.output = std::to_string(npt) + "pt/" + label;
mesPar.q1 = q1;
mesPar.q2 = q2;
mesPar.mom = mom;
mesPar.gammas = gammas;
application.createModule<MContraction::Meson>(modName, mesPar);
}
}
/*******************************************************************************
* Name: gamma3ptContraction
* Purpose: Create gamma3pt contraction module and add to application module.
* Parameters: application - main application that stores modules.
* npt - specify n-point correlator (for labelling).
* q1 - quark propagator 1.
* q2 - quark propagator 2.
* q3 - quark propagator 3.
* label - unique label to construct module name.
* gamma - gamma insertions between q2 and q3.
* Returns: None.
******************************************************************************/
inline void gamma3ptContraction(Application &application, unsigned int npt,
std::string &q1, std::string &q2,
std::string &q3, std::string &label,
Gamma::Algebra gamma = Gamma::Algebra::Identity)
{
std::string modName = std::to_string(npt) + "pt_" + label;
if (!(Environment::getInstance().hasModule(modName)))
{
MContraction::Gamma3pt::Par gamma3ptPar;
gamma3ptPar.output = std::to_string(npt) + "pt/" + label;
gamma3ptPar.q1 = q1;
gamma3ptPar.q2 = q2;
gamma3ptPar.q3 = q3;
gamma3ptPar.gamma = gamma;
application.createModule<MContraction::Gamma3pt>(modName, gamma3ptPar);
}
}
/*******************************************************************************
* Name: weakContraction[Eye,NonEye]
* Purpose: Create Weak Hamiltonian contraction module for Eye/NonEye topology
* and add to application module.
* Parameters: application - main application that stores modules.
* npt - specify n-point correlator (for labelling).
* q1 - quark propagator 1.
* q2 - quark propagator 2.
* q3 - quark propagator 3.
* q4 - quark propagator 4.
* label - unique label to construct module name.
* Returns: None.
******************************************************************************/
#define HW_CONTRACTION(top) \
inline void weakContraction##top(Application &application, unsigned int npt,\
std::string &q1, std::string &q2, \
std::string &q3, std::string &q4, \
std::string &label)\
{\
std::string modName = std::to_string(npt) + "pt_" + label;\
if (!(Environment::getInstance().hasModule(modName)))\
{\
MContraction::WeakHamiltonian##top::Par weakPar;\
weakPar.output = std::to_string(npt) + "pt/" + label;\
weakPar.q1 = q1;\
weakPar.q2 = q2;\
weakPar.q3 = q3;\
weakPar.q4 = q4;\
application.createModule<MContraction::WeakHamiltonian##top>(modName, weakPar);\
}\
}
HW_CONTRACTION(Eye) // weakContractionEye
HW_CONTRACTION(NonEye) // weakContractionNonEye
/*******************************************************************************
* Name: disc0Contraction
* Purpose: Create contraction module for 4pt Weak Hamiltonian + current
* disconnected topology for neutral mesons and add to application
* module.
* Parameters: application - main application that stores modules.
* q1 - quark propagator 1.
* q2 - quark propagator 2.
* q3 - quark propagator 3.
* q4 - quark propagator 4.
* label - unique label to construct module name.
* Returns: None.
******************************************************************************/
inline void disc0Contraction(Application &application,
std::string &q1, std::string &q2,
std::string &q3, std::string &q4,
std::string &label)
{
std::string modName = "4pt_" + label;
if (!(Environment::getInstance().hasModule(modName)))
{
MContraction::WeakNeutral4ptDisc::Par disc0Par;
disc0Par.output = "4pt/" + label;
disc0Par.q1 = q1;
disc0Par.q2 = q2;
disc0Par.q3 = q3;
disc0Par.q4 = q4;
application.createModule<MContraction::WeakNeutral4ptDisc>(modName, disc0Par);
}
}
/*******************************************************************************
* Name: discLoopContraction
* Purpose: Create contraction module for disconnected loop and add to
* application module.
* Parameters: application - main application that stores modules.
* q_loop - loop quark propagator.
* modName - unique module name.
* gamma - gamma matrix to use in contraction.
* Returns: None.
******************************************************************************/
inline void discLoopContraction(Application &application,
std::string &q_loop, std::string &modName,
Gamma::Algebra gamma = Gamma::Algebra::Identity)
{
if (!(Environment::getInstance().hasModule(modName)))
{
MContraction::DiscLoop::Par discPar;
discPar.output = "disc/" + modName;
discPar.q_loop = q_loop;
discPar.gamma = gamma;
application.createModule<MContraction::DiscLoop>(modName, discPar);
}
}

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/*******************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: tests/hadrons/Test_hadrons_rarekaon.cc
Copyright (C) 2017
Author: Andrew Lawson <andrew.lawson1991@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution
directory.
*******************************************************************************/
#include "Test_hadrons.hpp"
using namespace Grid;
using namespace Hadrons;
enum quarks
{
light = 0,
strange = 1,
charm = 2
};
int main(int argc, char *argv[])
{
// parse command line //////////////////////////////////////////////////////
std::string configStem;
if (argc < 2)
{
std::cerr << "usage: " << argv[0] << " <configuration filestem> [Grid options]";
std::cerr << std::endl;
std::exit(EXIT_FAILURE);
}
configStem = argv[1];
// initialization //////////////////////////////////////////////////////////
Grid_init(&argc, &argv);
HadronsLogError.Active(GridLogError.isActive());
HadronsLogWarning.Active(GridLogWarning.isActive());
HadronsLogMessage.Active(GridLogMessage.isActive());
HadronsLogIterative.Active(GridLogIterative.isActive());
HadronsLogDebug.Active(GridLogDebug.isActive());
LOG(Message) << "Grid initialized" << std::endl;
// run setup ///////////////////////////////////////////////////////////////
Application application;
std::vector<double> mass = {.01, .04, .2};
std::vector<std::string> flavour = {"l", "s", "c"};
std::vector<std::string> solvers = {"CG_l", "CG_s", "CG_c"};
std::string kmom = "0. 0. 0. 0.";
std::string pmom = "1. 0. 0. 0.";
std::string qmom = "-1. 0. 0. 0.";
std::string mqmom = "1. 0. 0. 0.";
std::vector<unsigned int> tKs = {0};
unsigned int dt_pi = 16;
std::vector<unsigned int> tJs = {8};
unsigned int n_noise = 1;
unsigned int nt = 32;
bool do_disconnected(false);
// Global parameters.
Application::GlobalPar globalPar;
globalPar.trajCounter.start = 1500;
globalPar.trajCounter.end = 1520;
globalPar.trajCounter.step = 20;
globalPar.seed = "1 2 3 4";
globalPar.genetic.maxGen = 1000;
globalPar.genetic.maxCstGen = 200;
globalPar.genetic.popSize = 20;
globalPar.genetic.mutationRate = .1;
application.setPar(globalPar);
// gauge field
if (configStem == "None")
{
application.createModule<MGauge::Unit>("gauge");
}
else
{
MGauge::Load::Par gaugePar;
gaugePar.file = configStem;
application.createModule<MGauge::Load>("gauge", gaugePar);
}
for (unsigned int i = 0; i < flavour.size(); ++i)
{
// actions
MAction::DWF::Par actionPar;
actionPar.gauge = "gauge";
actionPar.Ls = 16;
actionPar.M5 = 1.8;
actionPar.mass = mass[i];
application.createModule<MAction::DWF>("DWF_" + flavour[i], actionPar);
// solvers
// RBPrecCG -> CG
MSolver::CG::Par solverPar;
solverPar.action = "DWF_" + flavour[i];
solverPar.residual = 1.0e-8;
application.createModule<MSolver::CG>(solvers[i],
solverPar);
}
// Create noise propagators for loops.
std::vector<std::string> noiseSrcs;
std::vector<std::vector<std::string>> noiseRes;
std::vector<std::vector<std::string>> noiseProps;
if (n_noise > 0)
{
MSource::Z2::Par noisePar;
noisePar.tA = 0;
noisePar.tB = nt - 1;
std::string loop_stem = "loop_";
noiseRes.resize(flavour.size());
noiseProps.resize(flavour.size());
for (unsigned int nn = 0; nn < n_noise; ++nn)
{
std::string eta = INIT_INDEX("noise", nn);
application.createModule<MSource::Z2>(eta, noisePar);
noiseSrcs.push_back(eta);
for (unsigned int f = 0; f < flavour.size(); ++f)
{
std::string loop_prop = INIT_INDEX(loop_stem + flavour[f], nn);
std::string loop_res = loop_prop + "_res";
makePropagator(application, loop_res, eta, solvers[f]);
makeLoop(application, loop_prop, eta, loop_res);
noiseRes[f].push_back(loop_res);
noiseProps[f].push_back(loop_prop);
}
}
}
// Translate rare kaon decay across specified timeslices.
for (unsigned int i = 0; i < tKs.size(); ++i)
{
// Zero-momentum wall source propagators for kaon and pion.
unsigned int tK = tKs[i];
unsigned int tpi = (tK + dt_pi) % nt;
std::string q_Kl_0 = INIT_INDEX("Q_l_0", tK);
std::string q_pil_0 = INIT_INDEX("Q_l_0", tpi);
MAKE_WALL_PROP(tK, q_Kl_0, solvers[light]);
MAKE_WALL_PROP(tpi, q_pil_0, solvers[light]);
// Wall sources for kaon and pion with momentum insertion. If either
// p or k are zero, or p = k, re-use the existing name to avoid
// duplicating a propagator.
std::string q_Ks_k = INIT_INDEX("Q_Ks_k", tK);
std::string q_Ks_p = INIT_INDEX((kmom == pmom) ? "Q_Ks_k" : "Q_Ks_p", tK);
std::string q_pil_k = INIT_INDEX((kmom == ZERO_MOM) ? "Q_l_0" : "Q_l_k", tpi);
std::string q_pil_p = INIT_INDEX((pmom == kmom) ? q_pil_k : ((pmom == ZERO_MOM) ? "Q_l_0" : "Q_l_p"), tpi);
MAKE_3MOM_WALL_PROP(tK, kmom, q_Ks_k, solvers[strange]);
MAKE_3MOM_WALL_PROP(tK, pmom, q_Ks_p, solvers[strange]);
MAKE_3MOM_WALL_PROP(tpi, kmom, q_pil_k, solvers[light]);
MAKE_3MOM_WALL_PROP(tpi, pmom, q_pil_p, solvers[light]);
/***********************************************************************
* CONTRACTIONS: pi and K 2pt contractions with mom = p, k.
**********************************************************************/
// Wall-Point
std::string PW_K_k = INIT_INDEX("PW_K_k", tK);
std::string PW_K_p = INIT_INDEX("PW_K_p", tK);
std::string PW_pi_k = INIT_INDEX("PW_pi_k", tpi);
std::string PW_pi_p = INIT_INDEX("PW_pi_p", tpi);
mesonContraction(application, 2, q_Kl_0, q_Ks_k, PW_K_k, kmom);
mesonContraction(application, 2, q_Kl_0, q_Ks_p, PW_K_p, pmom);
mesonContraction(application, 2, q_pil_k, q_pil_0, PW_pi_k, kmom);
mesonContraction(application, 2, q_pil_p, q_pil_0, PW_pi_p, pmom);
// Wall-Wall, to be done - requires modification of meson module.
/***********************************************************************
* CONTRACTIONS: 3pt Weak Hamiltonian, C & W (non-Eye type) classes.
**********************************************************************/
std::string HW_CW_k = LABEL_3PT("HW_CW_k", tK, tpi);
std::string HW_CW_p = LABEL_3PT("HW_CW_p", tK, tpi);
weakContractionNonEye(application, 3, q_Kl_0, q_Ks_k, q_pil_k, q_pil_0, HW_CW_k);
weakContractionNonEye(application, 3, q_Kl_0, q_Ks_p, q_pil_p, q_pil_0, HW_CW_p);
/***********************************************************************
* CONTRACTIONS: 3pt sd insertion.
**********************************************************************/
// Note: eventually will use wall sink smeared q_Kl_0 instead.
std::string sd_k = LABEL_3PT("sd_k", tK, tpi);
std::string sd_p = LABEL_3PT("sd_p", tK, tpi);
gamma3ptContraction(application, 3, q_Kl_0, q_Ks_k, q_pil_k, sd_k);
gamma3ptContraction(application, 3, q_Kl_0, q_Ks_p, q_pil_p, sd_p);
for (unsigned int nn = 0; nn < n_noise; ++nn)
{
/*******************************************************************
* CONTRACTIONS: 3pt Weak Hamiltonian, S and E (Eye type) classes.
******************************************************************/
// Note: eventually will use wall sink smeared q_Kl_0 instead.
for (unsigned int f = 0; f < flavour.size(); ++f)
{
if ((f != strange) || do_disconnected)
{
std::string HW_SE_k = LABEL_3PT("HW_SE_k_" + flavour[f], tK, tpi);
std::string HW_SE_p = LABEL_3PT("HW_SE_p_" + flavour[f], tK, tpi);
std::string loop_q = noiseProps[f][nn];
weakContractionEye(application, 3, q_Kl_0, q_Ks_k, q_pil_k, loop_q, HW_CW_k);
weakContractionEye(application, 3, q_Kl_0, q_Ks_p, q_pil_p, loop_q, HW_CW_p);
}
}
}
// Perform separate contractions for each t_J position.
for (unsigned int j = 0; j < tJs.size(); ++j)
{
// Sequential sources for current insertions. Local for now,
// gamma_0 only.
unsigned int tJ = (tJs[j] + tK) % nt;
MSource::SeqGamma::Par seqPar;
std::string q_KlCl_q = LABEL_3PT("Q_KlCl_q", tK, tJ);
std::string q_KsCs_mq = LABEL_3PT("Q_KsCs_mq", tK, tJ);
std::string q_pilCl_q = LABEL_3PT("Q_pilCl_q", tpi, tJ);
std::string q_pilCl_mq = LABEL_3PT("Q_pilCl_mq", tpi, tJ);
MAKE_SEQUENTIAL_PROP(tJ, q_Kl_0, qmom, q_KlCl_q, solvers[light]);
MAKE_SEQUENTIAL_PROP(tJ, q_Ks_k, mqmom, q_KsCs_mq, solvers[strange]);
MAKE_SEQUENTIAL_PROP(tJ, q_pil_p, qmom, q_pilCl_q, solvers[light]);
MAKE_SEQUENTIAL_PROP(tJ, q_pil_0, mqmom, q_pilCl_mq, solvers[light]);
/*******************************************************************
* CONTRACTIONS: pi and K 3pt contractions with current insertion.
******************************************************************/
// Wall-Point
std::string C_PW_Kl = LABEL_3PT("C_PW_Kl", tK, tJ);
std::string C_PW_Ksb = LABEL_3PT("C_PW_Ksb", tK, tJ);
std::string C_PW_pilb = LABEL_3PT("C_PW_pilb", tK, tJ);
std::string C_PW_pil = LABEL_3PT("C_PW_pil", tK, tJ);
mesonContraction(application, 3, q_KlCl_q, q_Ks_k, C_PW_Kl, pmom);
mesonContraction(application, 3, q_Kl_0, q_KsCs_mq, C_PW_Ksb, pmom);
mesonContraction(application, 3, q_pil_0, q_pilCl_q, C_PW_pilb, kmom);
mesonContraction(application, 3, q_pilCl_mq, q_pil_p, C_PW_pil, kmom);
// Wall-Wall, to be done.
/*******************************************************************
* CONTRACTIONS: 4pt contractions, C & W classes.
******************************************************************/
std::string CW_Kl = LABEL_4PT("CW_Kl", tK, tJ, tpi);
std::string CW_Ksb = LABEL_4PT("CW_Ksb", tK, tJ, tpi);
std::string CW_pilb = LABEL_4PT("CW_pilb", tK, tJ, tpi);
std::string CW_pil = LABEL_4PT("CW_pil", tK, tJ, tpi);
weakContractionNonEye(application, 4, q_KlCl_q, q_Ks_k, q_pil_p, q_pil_0, CW_Kl);
weakContractionNonEye(application, 4, q_Kl_0, q_KsCs_mq, q_pil_p, q_pil_0, CW_Ksb);
weakContractionNonEye(application, 4, q_Kl_0, q_Ks_k, q_pilCl_q, q_pil_0, CW_pilb);
weakContractionNonEye(application, 4, q_Kl_0, q_Ks_k, q_pil_p, q_pilCl_mq, CW_pil);
/*******************************************************************
* CONTRACTIONS: 4pt contractions, sd insertions.
******************************************************************/
// Note: eventually will use wall sink smeared q_Kl_0/q_KlCl_q instead.
std::string sd_Kl = LABEL_4PT("sd_Kl", tK, tJ, tpi);
std::string sd_Ksb = LABEL_4PT("sd_Ksb", tK, tJ, tpi);
std::string sd_pilb = LABEL_4PT("sd_pilb", tK, tJ, tpi);
gamma3ptContraction(application, 4, q_KlCl_q, q_Ks_k, q_pil_p, sd_Kl);
gamma3ptContraction(application, 4, q_Kl_0, q_KsCs_mq, q_pil_p, sd_Ksb);
gamma3ptContraction(application, 4, q_Kl_0, q_Ks_k, q_pilCl_q, sd_pilb);
// Sequential sources for each noise propagator.
for (unsigned int nn = 0; nn < n_noise; ++nn)
{
std::string loop_stem = "loop_";
// Contraction required for each quark flavour - alternatively
// drop the strange loop if not performing disconnected
// contractions or neglecting H_W operators Q_3 -> Q_10.
for (unsigned int f = 0; f < flavour.size(); ++f)
{
if ((f != strange) || do_disconnected)
{
std::string eta = noiseSrcs[nn];
std::string loop_q = noiseProps[f][nn];
std::string loop_qCq = LABEL_3PT(loop_stem + flavour[f], tJ, nn);
std::string loop_qCq_res = loop_qCq + "_res";
MAKE_SEQUENTIAL_PROP(tJ, noiseRes[f][nn], qmom,
loop_qCq_res, solvers[f]);
makeLoop(application, loop_qCq, eta, loop_qCq_res);
/*******************************************************
* CONTRACTIONS: 4pt contractions, S & E classes.
******************************************************/
// Note: eventually will use wall sink smeared q_Kl_0/q_KlCl_q instead.
std::string SE_Kl = LABEL_4PT_NOISE("SE_Kl", tK, tJ, tpi, nn);
std::string SE_Ksb = LABEL_4PT_NOISE("SE_Ksb", tK, tJ, tpi, nn);
std::string SE_pilb = LABEL_4PT_NOISE("SE_pilb", tK, tJ, tpi, nn);
std::string SE_loop = LABEL_4PT_NOISE("SE_loop", tK, tJ, tpi, nn);
weakContractionEye(application, 4, q_KlCl_q, q_Ks_k, q_pil_p, loop_q, SE_Kl);
weakContractionEye(application, 4, q_Kl_0, q_KsCs_mq, q_pil_p, loop_q, SE_Ksb);
weakContractionEye(application, 4, q_Kl_0, q_Ks_k, q_pilCl_q, loop_q, SE_pilb);
weakContractionEye(application, 4, q_Kl_0, q_Ks_k, q_pil_p, loop_qCq, SE_loop);
/*******************************************************
* CONTRACTIONS: 4pt contractions, pi0 disconnected
* loop.
******************************************************/
std::string disc0 = LABEL_4PT_NOISE("disc0", tK, tJ, tpi, nn);
disc0Contraction(application, q_Kl_0, q_Ks_k, q_pilCl_q, loop_q, disc0);
/*******************************************************
* CONTRACTIONS: Disconnected loop.
******************************************************/
std::string discLoop = "disc_" + loop_qCq;
discLoopContraction(application, loop_qCq, discLoop);
}
}
}
}
}
// execution
std::string par_file_name = "rarekaon_000_100_tK0_tpi16_tJ8_noloop_mc0.2.xml";
application.saveParameterFile(par_file_name);
application.run();
// epilogue
LOG(Message) << "Grid is finalizing now" << std::endl;
Grid_finalize();
return EXIT_SUCCESS;
}