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Hadrons: archiving unmaintained or exotic modules

This commit is contained in:
2019-02-04 21:23:30 +00:00
parent 3692c7f1ef
commit 6b46834af8
21 changed files with 7 additions and 251 deletions

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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MContraction/WardIdentity.cc
Copyright (C) 2015-2018
Author: Antonin Portelli <antonin.portelli@me.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 <Hadrons/Modules/MContraction/WardIdentity.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MContraction;
template class Grid::Hadrons::MContraction::TWardIdentity<FIMPL>;

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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MContraction/WardIdentity.hpp
Copyright (C) 2015-2018
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@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_MContraction_WardIdentity_hpp_
#define Hadrons_MContraction_WardIdentity_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/*
Ward Identity contractions
-----------------------------
* options:
- q: propagator, 5D if available (string)
- action: action module used for propagator solution (string)
- mass: mass of quark (double)
- test_axial: whether or not to test PCAC relation.
*/
/******************************************************************************
* WardIdentity *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MContraction)
class WardIdentityPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(WardIdentityPar,
std::string, q,
std::string, action,
double, mass,
bool, test_axial);
};
template <typename FImpl>
class TWardIdentity: public Module<WardIdentityPar>
{
public:
FERM_TYPE_ALIASES(FImpl,);
public:
// constructor
TWardIdentity(const std::string name);
// destructor
virtual ~TWardIdentity(void) {};
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
protected:
// setup
virtual void setup(void);
// execution
virtual void execute(void);
private:
unsigned int Ls_;
};
MODULE_REGISTER_TMP(WardIdentity, TWardIdentity<FIMPL>, MContraction);
/******************************************************************************
* TWardIdentity implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TWardIdentity<FImpl>::TWardIdentity(const std::string name)
: Module<WardIdentityPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TWardIdentity<FImpl>::getInput(void)
{
std::vector<std::string> in = {par().q, par().action};
return in;
}
template <typename FImpl>
std::vector<std::string> TWardIdentity<FImpl>::getOutput(void)
{
std::vector<std::string> out = {};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TWardIdentity<FImpl>::setup(void)
{
Ls_ = env().getObjectLs(par().q);
if (Ls_ != env().getObjectLs(par().action))
{
HADRONS_ERROR(Size, "Ls mismatch between quark action and propagator");
}
envTmpLat(PropagatorField, "tmp");
envTmpLat(PropagatorField, "vector_WI");
if (par().test_axial)
{
envTmpLat(PropagatorField, "psi");
envTmpLat(LatticeComplex, "PP");
envTmpLat(LatticeComplex, "axial_defect");
envTmpLat(LatticeComplex, "PJ5q");
}
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TWardIdentity<FImpl>::execute(void)
{
LOG(Message) << "Performing Ward Identity checks for quark '" << par().q
<< "'." << std::endl;
auto &q = envGet(PropagatorField, par().q);
auto &act = envGet(FMat, par().action);
Gamma g5(Gamma::Algebra::Gamma5);
// Compute D_mu V_mu, D here is backward derivative.
envGetTmp(PropagatorField, tmp);
envGetTmp(PropagatorField, vector_WI);
vector_WI = zero;
for (unsigned int mu = 0; mu < Nd; ++mu)
{
act.ContractConservedCurrent(q, q, tmp, Current::Vector, mu);
tmp -= Cshift(tmp, mu, -1);
vector_WI += tmp;
}
// Test ward identity D_mu V_mu = 0;
LOG(Message) << "Vector Ward Identity check Delta_mu V_mu = "
<< norm2(vector_WI) << std::endl;
if (par().test_axial)
{
envGetTmp(PropagatorField, psi);
envGetTmp(LatticeComplex, PP);
envGetTmp(LatticeComplex, axial_defect);
envGetTmp(LatticeComplex, PJ5q);
std::vector<TComplex> axial_buf;
// Compute <P|D_mu A_mu>, D is backwards derivative.
axial_defect = zero;
for (unsigned int mu = 0; mu < Nd; ++mu)
{
act.ContractConservedCurrent(q, q, tmp, Current::Axial, mu);
tmp -= Cshift(tmp, mu, -1);
axial_defect += trace(g5*tmp);
}
// Get <P|J5q> for 5D (zero for 4D) and <P|P>.
PJ5q = zero;
if (Ls_ > 1)
{
// <P|P>
ExtractSlice(tmp, q, 0, 0);
psi = 0.5 * (tmp - g5*tmp);
ExtractSlice(tmp, q, Ls_ - 1, 0);
psi += 0.5 * (tmp + g5*tmp);
PP = trace(adj(psi)*psi);
// <P|5Jq>
ExtractSlice(tmp, q, Ls_/2 - 1, 0);
psi = 0.5 * (tmp + g5*tmp);
ExtractSlice(tmp, q, Ls_/2, 0);
psi += 0.5 * (tmp - g5*tmp);
PJ5q = trace(adj(psi)*psi);
}
else
{
PP = trace(adj(q)*q);
}
// Test ward identity <P|D_mu A_mu> = 2m<P|P> + 2<P|J5q>
LOG(Message) << "|D_mu A_mu|^2 = " << norm2(axial_defect) << std::endl;
LOG(Message) << "|PP|^2 = " << norm2(PP) << std::endl;
LOG(Message) << "|PJ5q|^2 = " << norm2(PJ5q) << std::endl;
LOG(Message) << "Axial Ward Identity defect Delta_mu A_mu = "
<< norm2(axial_defect) << std::endl;
// Axial defect by timeslice.
axial_defect -= 2.*(par().mass*PP + PJ5q);
LOG(Message) << "Check Axial defect by timeslice" << std::endl;
sliceSum(axial_defect, axial_buf, Tp);
for (int t = 0; t < axial_buf.size(); ++t)
{
LOG(Message) << "t = " << t << ": "
<< TensorRemove(axial_buf[t]) << std::endl;
}
}
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_WardIdentity_hpp_

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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MContraction/WeakHamiltonian.hpp
Copyright (C) 2015-2018
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@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_MContraction_WeakHamiltonian_hpp_
#define Hadrons_MContraction_WeakHamiltonian_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* WeakHamiltonian *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MContraction)
/*******************************************************************************
* Utilities for contractions involving the Weak Hamiltonian.
******************************************************************************/
//// Sum and store correlator.
#define MAKE_DIAG(exp, buf, res, n)\
sliceSum(exp, buf, Tp);\
res.name = (n);\
res.corr.resize(buf.size());\
for (unsigned int t = 0; t < buf.size(); ++t)\
{\
res.corr[t] = TensorRemove(buf[t]);\
}
//// Contraction of mu index: use 'mu' variable in exp.
#define SUM_MU(buf,exp)\
buf = zero;\
for (unsigned int mu = 0; mu < ndim; ++mu)\
{\
buf += exp;\
}
enum
{
i_V = 0,
i_A = 1,
n_i = 2
};
class WeakHamiltonianPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(WeakHamiltonianPar,
std::string, q1,
std::string, q2,
std::string, q3,
std::string, q4,
unsigned int, tSnk,
std::string, output);
};
#define MAKE_WEAK_MODULE(modname)\
class T##modname: public Module<WeakHamiltonianPar>\
{\
public:\
FERM_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) {};\
/* dependency relation */ \
virtual std::vector<std::string> getInput(void);\
virtual std::vector<std::string> getOutput(void);\
public:\
std::vector<std::string> VA_label = {"V", "A"};\
protected:\
/* setup */ \
virtual void setup(void);\
/* execution */ \
virtual void execute(void);\
};\
MODULE_REGISTER(modname, T##modname, MContraction);
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MContraction_WeakHamiltonian_hpp_

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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MContraction/WeakHamiltonianEye.cc
Copyright (C) 2015-2018
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@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 <Hadrons/Modules/MContraction/WeakHamiltonianEye.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MContraction;
/*
* Weak Hamiltonian current-current contractions, Eye-type.
*
* These contractions are generated by the Q1 and Q2 operators in the physical
* basis (see e.g. Fig 3 of arXiv:1507.03094).
*
* Schematics: q4 |
* /-<-¬ |
* / \ | q2 q3
* \ / | /----<------*------<----¬
* q2 \ / q3 | / /-*-¬ \
* /-----<-----* *-----<----¬ | / / \ \
* i * H_W * f | i * \ / q4 * f
* \ / | \ \->-/ /
* \ / | \ /
* \---------->---------/ | \----------->----------/
* q1 | q1
* |
* Saucer (S) | Eye (E)
*
* S: trace(q3*g5*q1*adj(q2)*g5*gL[mu][p_1]*q4*gL[mu][p_2])
* E: trace(q3*g5*q1*adj(q2)*g5*gL[mu][p_1])*trace(q4*gL[mu][p_2])
*
* Note q1 must be sink smeared.
*/
/******************************************************************************
* TWeakHamiltonianEye implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
TWeakHamiltonianEye::TWeakHamiltonianEye(const std::string name)
: Module<WeakHamiltonianPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
std::vector<std::string> TWeakHamiltonianEye::getInput(void)
{
std::vector<std::string> in = {par().q1, par().q2, par().q3, par().q4};
return in;
}
std::vector<std::string> TWeakHamiltonianEye::getOutput(void)
{
std::vector<std::string> out = {};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
void TWeakHamiltonianEye::setup(void)
{
unsigned int ndim = env().getNd();
envTmpLat(LatticeComplex, "expbuf");
envTmpLat(PropagatorField, "tmp1");
envTmpLat(LatticeComplex, "tmp2");
envTmp(std::vector<PropagatorField>, "S_body", 1, ndim, PropagatorField(env().getGrid()));
envTmp(std::vector<PropagatorField>, "S_loop", 1, ndim, PropagatorField(env().getGrid()));
envTmp(std::vector<LatticeComplex>, "E_body", 1, ndim, LatticeComplex(env().getGrid()));
envTmp(std::vector<LatticeComplex>, "E_loop", 1, ndim, LatticeComplex(env().getGrid()));
}
// execution ///////////////////////////////////////////////////////////////////
void TWeakHamiltonianEye::execute(void)
{
LOG(Message) << "Computing Weak Hamiltonian (Eye type) contractions '"
<< getName() << "' using quarks '" << par().q1 << "', '"
<< par().q2 << ", '" << par().q3 << "' and '" << par().q4
<< "'." << std::endl;
auto &q1 = envGet(SlicedPropagator, par().q1);
auto &q2 = envGet(PropagatorField, par().q2);
auto &q3 = envGet(PropagatorField, par().q3);
auto &q4 = envGet(PropagatorField, par().q4);
Gamma g5 = Gamma(Gamma::Algebra::Gamma5);
std::vector<TComplex> corrbuf;
std::vector<Result> result(n_eye_diag);
unsigned int ndim = env().getNd();
envGetTmp(LatticeComplex, expbuf);
envGetTmp(PropagatorField, tmp1);
envGetTmp(LatticeComplex, tmp2);
envGetTmp(std::vector<PropagatorField>, S_body);
envGetTmp(std::vector<PropagatorField>, S_loop);
envGetTmp(std::vector<LatticeComplex>, E_body);
envGetTmp(std::vector<LatticeComplex>, E_loop);
// Get sink timeslice of q1.
SitePropagator q1Snk = q1[par().tSnk];
// Setup for S-type contractions.
for (int mu = 0; mu < ndim; ++mu)
{
S_body[mu] = MAKE_SE_BODY(q1Snk, q2, q3, GammaL(Gamma::gmu[mu]));
S_loop[mu] = MAKE_SE_LOOP(q4, GammaL(Gamma::gmu[mu]));
}
// Perform S-type contractions.
SUM_MU(expbuf, trace(S_body[mu]*S_loop[mu]))
MAKE_DIAG(expbuf, corrbuf, result[S_diag], "HW_S")
// Recycle sub-expressions for E-type contractions.
for (unsigned int mu = 0; mu < ndim; ++mu)
{
E_body[mu] = trace(S_body[mu]);
E_loop[mu] = trace(S_loop[mu]);
}
// Perform E-type contractions.
SUM_MU(expbuf, E_body[mu]*E_loop[mu])
MAKE_DIAG(expbuf, corrbuf, result[E_diag], "HW_E")
// IO
saveResult(par().output, "HW_Eye", result);
}

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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MContraction/WeakHamiltonianEye.hpp
Copyright (C) 2015-2018
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@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_MContraction_WeakHamiltonianEye_hpp_
#define Hadrons_MContraction_WeakHamiltonianEye_hpp_
#include <Hadrons/Modules/MContraction/WeakHamiltonian.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* WeakHamiltonianEye *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MContraction)
enum
{
S_diag = 0,
E_diag = 1,
n_eye_diag = 2
};
// Saucer and Eye subdiagram contractions.
#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)
MAKE_WEAK_MODULE(WeakHamiltonianEye)
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MContraction_WeakHamiltonianEye_hpp_

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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MContraction/WeakHamiltonianNonEye.cc
Copyright (C) 2015-2018
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@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 <Hadrons/Modules/MContraction/WeakHamiltonianNonEye.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MContraction;
/*
* Weak Hamiltonian current-current contractions, Non-Eye-type.
*
* These contractions are generated by the Q1 and Q2 operators in the physical
* basis (see e.g. Fig 3 of arXiv:1507.03094).
*
* Schematic:
* q2 q3 | q2 q3
* /--<--¬ /--<--¬ | /--<--¬ /--<--¬
* / \ / \ | / \ / \
* / \ / \ | / \ / \
* / \ / \ | / \ / \
* i * * H_W * f | i * * * H_W * f
* \ * | | \ / \ /
* \ / \ / | \ / \ /
* \ / \ / | \ / \ /
* \ / \ / | \-->--/ \-->--/
* \-->--/ \-->--/ | q1 q4
* q1 q4 |
* Connected (C) | Wing (W)
*
* C: trace(q1*adj(q2)*g5*gL[mu]*q3*adj(q4)*g5*gL[mu])
* W: trace(q1*adj(q2)*g5*gL[mu])*trace(q3*adj(q4)*g5*gL[mu])
*
*/
/******************************************************************************
* TWeakHamiltonianNonEye implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
TWeakHamiltonianNonEye::TWeakHamiltonianNonEye(const std::string name)
: Module<WeakHamiltonianPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
std::vector<std::string> TWeakHamiltonianNonEye::getInput(void)
{
std::vector<std::string> in = {par().q1, par().q2, par().q3, par().q4};
return in;
}
std::vector<std::string> TWeakHamiltonianNonEye::getOutput(void)
{
std::vector<std::string> out = {};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
void TWeakHamiltonianNonEye::setup(void)
{
unsigned int ndim = env().getNd();
envTmpLat(LatticeComplex, "expbuf");
envTmpLat(PropagatorField, "tmp1");
envTmpLat(LatticeComplex, "tmp2");
envTmp(std::vector<PropagatorField>, "C_i_side_loop", 1, ndim, PropagatorField(env().getGrid()));
envTmp(std::vector<PropagatorField>, "C_f_side_loop", 1, ndim, PropagatorField(env().getGrid()));
envTmp(std::vector<LatticeComplex>, "W_i_side_loop", 1, ndim, LatticeComplex(env().getGrid()));
envTmp(std::vector<LatticeComplex>, "W_f_side_loop", 1, ndim, LatticeComplex(env().getGrid()));
}
// execution ///////////////////////////////////////////////////////////////////
void TWeakHamiltonianNonEye::execute(void)
{
LOG(Message) << "Computing Weak Hamiltonian (Non-Eye type) contractions '"
<< getName() << "' using quarks '" << par().q1 << "', '"
<< par().q2 << ", '" << par().q3 << "' and '" << par().q4
<< "'." << std::endl;
auto &q1 = envGet(PropagatorField, par().q1);
auto &q2 = envGet(PropagatorField, par().q2);
auto &q3 = envGet(PropagatorField, par().q3);
auto &q4 = envGet(PropagatorField, par().q4);
Gamma g5 = Gamma(Gamma::Algebra::Gamma5);
std::vector<TComplex> corrbuf;
std::vector<Result> result(n_noneye_diag);
unsigned int ndim = env().getNd();
envGetTmp(LatticeComplex, expbuf);
envGetTmp(PropagatorField, tmp1);
envGetTmp(LatticeComplex, tmp2);
envGetTmp(std::vector<PropagatorField>, C_i_side_loop);
envGetTmp(std::vector<PropagatorField>, C_f_side_loop);
envGetTmp(std::vector<LatticeComplex>, W_i_side_loop);
envGetTmp(std::vector<LatticeComplex>, W_f_side_loop);
// Setup for C-type contractions.
for (int mu = 0; mu < ndim; ++mu)
{
C_i_side_loop[mu] = MAKE_CW_SUBDIAG(q1, q2, GammaL(Gamma::gmu[mu]));
C_f_side_loop[mu] = MAKE_CW_SUBDIAG(q3, q4, GammaL(Gamma::gmu[mu]));
}
// Perform C-type contractions.
SUM_MU(expbuf, trace(C_i_side_loop[mu]*C_f_side_loop[mu]))
MAKE_DIAG(expbuf, corrbuf, result[C_diag], "HW_C")
// Recycle sub-expressions for W-type contractions.
for (unsigned int mu = 0; mu < ndim; ++mu)
{
W_i_side_loop[mu] = trace(C_i_side_loop[mu]);
W_f_side_loop[mu] = trace(C_f_side_loop[mu]);
}
// Perform W-type contractions.
SUM_MU(expbuf, W_i_side_loop[mu]*W_f_side_loop[mu])
MAKE_DIAG(expbuf, corrbuf, result[W_diag], "HW_W")
// IO
saveResult(par().output, "HW_NonEye", result);
}

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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MContraction/WeakHamiltonianNonEye.hpp
Copyright (C) 2015-2018
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@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_MContraction_WeakHamiltonianNonEye_hpp_
#define Hadrons_MContraction_WeakHamiltonianNonEye_hpp_
#include <Hadrons/Modules/MContraction/WeakHamiltonian.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* WeakHamiltonianNonEye *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MContraction)
enum
{
W_diag = 0,
C_diag = 1,
n_noneye_diag = 2
};
// Wing and Connected subdiagram contractions
#define MAKE_CW_SUBDIAG(Q_1, Q_2, gamma) (Q_1*adj(Q_2)*g5*gamma)
MAKE_WEAK_MODULE(WeakHamiltonianNonEye)
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MContraction_WeakHamiltonianNonEye_hpp_

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@ -1,142 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MContraction/WeakNeutral4ptDisc.cc
Copyright (C) 2015-2018
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@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 <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 = {};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
void TWeakNeutral4ptDisc::setup(void)
{
unsigned int ndim = env().getNd();
envTmpLat(LatticeComplex, "expbuf");
envTmpLat(PropagatorField, "tmp");
envTmpLat(LatticeComplex, "curr");
envTmp(std::vector<PropagatorField>, "meson", 1, ndim, PropagatorField(env().getGrid()));
envTmp(std::vector<PropagatorField>, "loop", 1, ndim, PropagatorField(env().getGrid()));
}
// 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;
auto &q1 = envGet(PropagatorField, par().q1);
auto &q2 = envGet(PropagatorField, par().q2);
auto &q3 = envGet(PropagatorField, par().q3);
auto &q4 = envGet(PropagatorField, par().q4);
Gamma g5 = Gamma(Gamma::Algebra::Gamma5);
std::vector<TComplex> corrbuf;
std::vector<Result> result(n_neut_disc_diag);
unsigned int ndim = env().getNd();
envGetTmp(LatticeComplex, expbuf);
envGetTmp(PropagatorField, tmp);
envGetTmp(LatticeComplex, curr);
envGetTmp(std::vector<PropagatorField>, meson);
envGetTmp(std::vector<PropagatorField>, loop);
// 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")
// IO
saveResult(par().output, "HW_disc0", result);
}

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@ -1,60 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MContraction/WeakNeutral4ptDisc.hpp
Copyright (C) 2015-2018
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@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_MContraction_WeakNeutral4ptDisc_hpp_
#define Hadrons_MContraction_WeakNeutral4ptDisc_hpp_
#include <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_MContraction_WeakNeutral4ptDisc_hpp_