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Merge commit 'f7698b93ca57ea3aa4d72b133ad9ca5d1e703661' into develop

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# Conflicts:
#	Hadrons/Modules.hpp
#	Hadrons/modules.inc
This commit is contained in:
Antonin Portelli 2019-12-06 11:59:21 +00:00
commit 1e5ac576d9
8 changed files with 984 additions and 1 deletions
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369
Grid/qcd/utils/BaryonUtils.h
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@ -41,7 +41,10 @@ public:
typedef typename FImpl::SitePropagator pobj;
typedef typename ComplexField::vector_object vobj;
typedef Lattice<iSpinMatrix<typename FImpl::Simd>> SpinMatrixField;
typedef typename SpinMatrixField::vector_object sobj;
static const int epsilon[6][3] ;
static const Complex epsilon_sgn[6];
@ -81,6 +84,69 @@ public:
const char * quarks_right,
const int parity,
robj &result);
private:
template <class mobj, class mobj2, class robj>
static void Sigma_to_Nucleon_Q1_Eye_site(const mobj &Dq_loop,
const mobj2 &Du_spec,
const mobj &Dd_tf,
const mobj &Ds_ti,
const Gamma Gamma_H,
const Gamma GammaB_sigma,
const Gamma GammaB_nucl,
robj &result);
template <class mobj, class mobj2, class robj>
static void Sigma_to_Nucleon_Q1_NonEye_site(const mobj &Du_ti,
const mobj &Du_tf,
const mobj2 &Du_spec,
const mobj &Dd_tf,
const mobj &Ds_ti,
const Gamma Gamma_H,
const Gamma GammaB_sigma,
const Gamma GammaB_nucl,
robj &result);
template <class mobj, class mobj2, class robj>
static void Sigma_to_Nucleon_Q2_Eye_site(const mobj &Dq_loop,
const mobj2 &Du_spec,
const mobj &Dd_tf,
const mobj &Ds_ti,
const Gamma Gamma_H,
const Gamma GammaB_sigma,
const Gamma GammaB_nucl,
robj &result);
template <class mobj, class mobj2, class robj>
static void Sigma_to_Nucleon_Q2_NonEye_site(const mobj &Du_ti,
const mobj &Du_tf,
const mobj2 &Du_spec,
const mobj &Dd_tf,
const mobj &Ds_ti,
const Gamma Gamma_H,
const Gamma GammaB_sigma,
const Gamma GammaB_nucl,
robj &result);
public:
template <class mobj>
static void Sigma_to_Nucleon_Eye(const PropagatorField &qq_loop,
const mobj &Du_spec,
const PropagatorField &qd_tf,
const PropagatorField &qs_ti,
const Gamma Gamma_H,
const Gamma GammaB_sigma,
const Gamma GammaB_nucl,
const std::string op,
SpinMatrixField &stn_corr);
template <class mobj>
static void Sigma_to_Nucleon_NonEye(const PropagatorField &qq_ti,
const PropagatorField &qq_tf,
const mobj &Du_spec,
const PropagatorField &qd_tf,
const PropagatorField &qs_ti,
const Gamma Gamma_H,
const Gamma GammaB_sigma,
const Gamma GammaB_nucl,
const std::string op,
SpinMatrixField &stn_corr);
};
template <class FImpl>
@ -254,4 +320,305 @@ void BaryonUtils<FImpl>::ContractBaryons_Sliced(const mobj &D1,
result=Zero();
baryon_site(D1,D2,D3,GammaA_left,GammaB_left,GammaA_right,GammaB_right,parity,wick_contraction,result);
}
/***********************************************************************
* End of Baryon 2pt-function code. *
* *
* The following code is for Sigma -> N rare hypeon decays *
**********************************************************************/
/* Dq_loop is a quark line from t_H to t_H
* Du_spec is a quark line from t_i to t_f
* Dd_tf is a quark line from t_f to t_H
* Ds_ti is a quark line from t_i to t_H */
template <class FImpl>
template <class mobj, class mobj2, class robj>
void BaryonUtils<FImpl>::Sigma_to_Nucleon_Q1_Eye_site(const mobj &Dq_loop,
const mobj2 &Du_spec,
const mobj &Dd_tf,
const mobj &Ds_ti,
const Gamma Gamma_H,
const Gamma GammaB_sigma,
const Gamma GammaB_nucl,
robj &result)
{
Gamma g5(Gamma::Algebra::Gamma5);
auto DuG = Du_spec * GammaB_nucl;
// Gamma^B * Ds * \gamma_\mu^L * (\gamma_5 * Dd^\dagger * \gamma_5)
auto GDsGDd = GammaB_sigma * Ds_ti * Gamma_H * g5 * adj(Dd_tf) * g5;
// Dq_loop * \gamma_\mu^L
auto DqG = Dq_loop * Gamma_H;
for (int ie_n=0; ie_n < 6 ; ie_n++){
int a_n = epsilon[ie_n][0]; //a
int b_n = epsilon[ie_n][1]; //b
int c_n = epsilon[ie_n][2]; //c
for (int ie_s=0; ie_s < 6 ; ie_s++){
int a_s = epsilon[ie_s][0]; //a'
int b_s = epsilon[ie_s][1]; //b'
int c_s = epsilon[ie_s][2]; //c'
for (int alpha_s=0; alpha_s<Ns; alpha_s++){
for (int beta_n=0; beta_n<Ns; beta_n++){
auto GDsGDd_ab_bb = GDsGDd()(alpha_s,beta_n)(b_s,b_n);
for (int tau2=0; tau2<Ns; tau2++){
for (int j=0; j<Nc; j++){
auto DqG_tt_jj = DqG()(tau2,tau2)(j,j);
auto ee_GDGDDG = epsilon_sgn[ie_n] * epsilon_sgn[ie_s] * GDsGDd_ab_bb * DqG_tt_jj;
for (int gamma_s=0; gamma_s<Ns; gamma_s++){
for (int gamma_n=0; gamma_n<Ns; gamma_n++){
result()(gamma_s,gamma_n)() += ee_GDGDDG * DuG()(alpha_s, beta_n)(a_s,a_n) * Du_spec()(gamma_s,gamma_n)(c_s,c_n);
result()(gamma_s,gamma_n)() -= ee_GDGDDG * DuG()(gamma_s, beta_n)(c_s,a_n) * Du_spec()(alpha_s,gamma_n)(a_s,c_n);
}}
}}
}}
}
}
}
/* Du_ti is a quark line from t_i to t_H
* Du_tf is a quark line from t_f to t_H
* Du_spec is a quark line from t_i to t_f
* Dd_tf is a quark line from t_f to t_H
* Ds_ti is a quark line from t_i to t_H */
template <class FImpl>
template <class mobj, class mobj2, class robj>
void BaryonUtils<FImpl>::Sigma_to_Nucleon_Q1_NonEye_site(const mobj &Du_ti,
const mobj &Du_tf,
const mobj2 &Du_spec,
const mobj &Dd_tf,
const mobj &Ds_ti,
const Gamma Gamma_H,
const Gamma GammaB_sigma,
const Gamma GammaB_nucl,
robj &result)
{
Gamma g5(Gamma::Algebra::Gamma5);
auto DuG = Du_spec * GammaB_nucl;
auto adjDu = g5 * adj(Du_tf) * g5;
auto adjDuG = adjDu * GammaB_nucl;
// Gamma^B * Ds * \gamma_\mu^L * (\gamma_5 * Dd^\dagger * \gamma_5)
auto GDsGDd = GammaB_sigma * Ds_ti * Gamma_H * g5 * adj(Dd_tf) * g5;
// Dq_loop * \gamma_\mu^L
auto DuGH = Du_ti * Gamma_H;
for (int ie_n=0; ie_n < 6 ; ie_n++){
int a_n = epsilon[ie_n][0]; //a
int b_n = epsilon[ie_n][1]; //b
int c_n = epsilon[ie_n][2]; //c
for (int ie_s=0; ie_s < 6 ; ie_s++){
int a_s = epsilon[ie_s][0]; //a'
int b_s = epsilon[ie_s][1]; //b'
int c_s = epsilon[ie_s][2]; //c'
for (int alpha_s=0; alpha_s<Ns; alpha_s++){
for (int beta_n=0; beta_n<Ns; beta_n++){
auto GDsGDd_ab_bb = GDsGDd()(alpha_s,beta_n)(b_s,b_n);
for (int tau2=0; tau2<Ns; tau2++){
for (int j=0; j<Nc; j++){
auto DuGH_at_aj = DuGH()(alpha_s,tau2)(a_s,j);
auto ee_GDGDDG_a = epsilon_sgn[ie_n] * epsilon_sgn[ie_s] * GDsGDd_ab_bb * DuGH_at_aj;
for (int gamma_s=0; gamma_s<Ns; gamma_s++){
auto DuGH_gt_cj = DuGH()(gamma_s,tau2)(c_s,j);
auto ee_GDGDDG_c = epsilon_sgn[ie_n] * epsilon_sgn[ie_s] * GDsGDd_ab_bb * DuGH_gt_cj;
for (int gamma_n=0; gamma_n<Ns; gamma_n++){
result()(gamma_s,gamma_n)() += ee_GDGDDG_a * DuG()(gamma_s, beta_n)(c_s,a_n) * adjDu()(tau2,gamma_n)(j,c_n);
result()(gamma_s,gamma_n)() += ee_GDGDDG_c * adjDuG()(tau2, beta_n)(j,a_n) * Du_spec()(alpha_s,gamma_n)(a_s,c_n);
result()(gamma_s,gamma_n)() -= ee_GDGDDG_a * adjDuG()(tau2, beta_n)(j,a_n) * Du_spec()(gamma_s,gamma_n)(c_s,c_n);
result()(gamma_s,gamma_n)() -= ee_GDGDDG_c * DuG()(alpha_s, beta_n)(a_s,a_n) * adjDu()(tau2,gamma_n)(j,c_n);
}
}
}}
}}
}
}
}
//Equivalent to "One-trace"
/* Dq_loop is a quark line from t_H to t_H
* Du_spec is a quark line from t_i to t_f
* Dd_tf is a quark line from t_f to t_H
* Ds_ti is a quark line from t_i to t_H */
template <class FImpl>
template <class mobj, class mobj2, class robj>
void BaryonUtils<FImpl>::Sigma_to_Nucleon_Q2_Eye_site(const mobj &Dq_loop,
const mobj2 &Du_spec,
const mobj &Dd_tf,
const mobj &Ds_ti,
const Gamma Gamma_H,
const Gamma GammaB_sigma,
const Gamma GammaB_nucl,
robj &result)
{
Gamma g5(Gamma::Algebra::Gamma5);
auto DuG = Du_spec * GammaB_nucl;
// Gamma^B * Ds * \gamma_\mu^L
auto GDsG = GammaB_sigma * Ds_ti * Gamma_H;
// Dq_loop * \gamma_\mu^L * (\gamma_5 * Dd^\dagger * \gamma_5)
auto DqGDd = Dq_loop * Gamma_H * g5 * adj(Dd_tf) * g5;
for (int ie_n=0; ie_n < 6 ; ie_n++){
int a_n = epsilon[ie_n][0]; //a
int b_n = epsilon[ie_n][1]; //b
int c_n = epsilon[ie_n][2]; //c
for (int ie_s=0; ie_s < 6 ; ie_s++){
int a_s = epsilon[ie_s][0]; //a'
int b_s = epsilon[ie_s][1]; //b'
int c_s = epsilon[ie_s][2]; //c'
for (int alpha_s=0; alpha_s<Ns; alpha_s++){
for (int tau=0; tau<Ns; tau++){
for (int i=0; i<Nc; i++){
auto GDsG_at_bi = GDsG()(alpha_s,tau)(b_s,i);
for (int beta_n=0; beta_n<Ns; beta_n++){
auto DqGDd_tb_ib = DqGDd()(tau,beta_n)(i,b_n);
auto ee_GDGDGD = epsilon_sgn[ie_n] * epsilon_sgn[ie_s] * GDsG_at_bi * DqGDd_tb_ib;
for (int gamma_s=0; gamma_s<Ns; gamma_s++){
for (int gamma_n=0; gamma_n<Ns; gamma_n++){
result()(gamma_s,gamma_n)() -= ee_GDGDGD * DuG()(alpha_s, beta_n)(a_s,a_n) * Du_spec()(gamma_s,gamma_n)(c_s,c_n);
result()(gamma_s,gamma_n)() += ee_GDGDGD * DuG()(gamma_s, beta_n)(c_s,a_n) * Du_spec()(alpha_s,gamma_n)(a_s,c_n);
}}
}
}}}
}
}
}
/* Du_ti is a quark line from t_i to t_H
* Du_tf is a quark line from t_f to t_H
* Du_spec is a quark line from t_i to t_f
* Dd_tf is a quark line from t_f to t_H
* Ds_ti is a quark line from t_i to t_H */
template <class FImpl>
template <class mobj, class mobj2, class robj>
void BaryonUtils<FImpl>::Sigma_to_Nucleon_Q2_NonEye_site(const mobj &Du_ti,
const mobj &Du_tf,
const mobj2 &Du_spec,
const mobj &Dd_tf,
const mobj &Ds_ti,
const Gamma Gamma_H,
const Gamma GammaB_sigma,
const Gamma GammaB_nucl,
robj &result)
{
Gamma g5(Gamma::Algebra::Gamma5);
auto DuG = Du_spec * GammaB_nucl;
auto adjDu = g5 * adj(Du_tf) * g5;
auto adjDuG = adjDu * GammaB_nucl;
// Gamma^B * Ds * \gamma_\mu^L
auto GDsG = GammaB_sigma * Ds_ti * Gamma_H;
// Du * \gamma_\mu^L * (\gamma_5 * Dd^\dagger * \gamma_5)
auto DuGDd = Du_ti * Gamma_H * g5 * adj(Dd_tf) * g5;
for (int ie_n=0; ie_n < 6 ; ie_n++){
int a_n = epsilon[ie_n][0]; //a
int b_n = epsilon[ie_n][1]; //b
int c_n = epsilon[ie_n][2]; //c
for (int ie_s=0; ie_s < 6 ; ie_s++){
int a_s = epsilon[ie_s][0]; //a'
int b_s = epsilon[ie_s][1]; //b'
int c_s = epsilon[ie_s][2]; //c'
for (int alpha_s=0; alpha_s<Ns; alpha_s++){
for (int tau=0; tau<Ns; tau++){
for (int i=0; i<Nc; i++){
auto GDsG_at_bi = GDsG()(alpha_s,tau)(b_s,i);
for (int beta_n=0; beta_n<Ns; beta_n++){
auto DuGDd_ab_ab = DuGDd()(alpha_s,beta_n)(a_s,b_n);
auto ee_GDGDGD_a = epsilon_sgn[ie_n] * epsilon_sgn[ie_s] * GDsG_at_bi * DuGDd_ab_ab;
for (int gamma_s=0; gamma_s<Ns; gamma_s++){
auto DuGDd_gb_cb = DuGDd()(gamma_s,beta_n)(c_s,b_n);
auto ee_GDGDGD_c = epsilon_sgn[ie_n] * epsilon_sgn[ie_s] * GDsG_at_bi * DuGDd_gb_cb;
for (int gamma_n=0; gamma_n<Ns; gamma_n++){
result()(gamma_s,gamma_n)() -= ee_GDGDGD_a * DuG()(gamma_s, beta_n)(c_s,a_n) * adjDu()(tau,gamma_n)(i,c_n);
result()(gamma_s,gamma_n)() -= ee_GDGDGD_c * adjDuG()(tau, beta_n)(i,a_n) * Du_spec()(alpha_s,gamma_n)(a_s,c_n);
result()(gamma_s,gamma_n)() += ee_GDGDGD_a * adjDuG()(tau, beta_n)(i,a_n) * Du_spec()(gamma_s,gamma_n)(c_s,c_n);
result()(gamma_s,gamma_n)() += ee_GDGDGD_c * DuG()(alpha_s, beta_n)(a_s,a_n) * adjDu()(tau,gamma_n)(i,c_n);
}
}
}
}}}
}
}
}
template<class FImpl>
template <class mobj>
void BaryonUtils<FImpl>::Sigma_to_Nucleon_Eye(const PropagatorField &qq_loop,
const mobj &Du_spec,
const PropagatorField &qd_tf,
const PropagatorField &qs_ti,
const Gamma Gamma_H,
const Gamma GammaB_sigma,
const Gamma GammaB_nucl,
const std::string op,
SpinMatrixField &stn_corr)
{
GridBase *grid = qs_ti.Grid();
auto vcorr= stn_corr.View();
auto vq_loop = qq_loop.View();
auto vd_tf = qd_tf.View();
auto vs_ti = qs_ti.View();
// accelerator_for(ss, grid->oSites(), grid->Nsimd(), {
thread_for(ss,grid->oSites(),{
auto Dq_loop = vq_loop[ss];
auto Dd_tf = vd_tf[ss];
auto Ds_ti = vs_ti[ss];
sobj result=Zero();
if(op == "Q1"){
Sigma_to_Nucleon_Q1_Eye_site(Dq_loop,Du_spec,Dd_tf,Ds_ti,Gamma_H,GammaB_sigma,GammaB_nucl,result);
} else if(op == "Q2"){
Sigma_to_Nucleon_Q2_Eye_site(Dq_loop,Du_spec,Dd_tf,Ds_ti,Gamma_H,GammaB_sigma,GammaB_nucl,result);
} else {
assert(0 && "Weak Operator not correctly specified");
}
vcorr[ss] = result;
} );//end loop over lattice sites
}
template<class FImpl>
template <class mobj>
void BaryonUtils<FImpl>::Sigma_to_Nucleon_NonEye(const PropagatorField &qq_ti,
const PropagatorField &qq_tf,
const mobj &Du_spec,
const PropagatorField &qd_tf,
const PropagatorField &qs_ti,
const Gamma Gamma_H,
const Gamma GammaB_sigma,
const Gamma GammaB_nucl,
const std::string op,
SpinMatrixField &stn_corr)
{
GridBase *grid = qs_ti.Grid();
auto vcorr= stn_corr.View();
auto vq_ti = qq_ti.View();
auto vq_tf = qq_tf.View();
auto vd_tf = qd_tf.View();
auto vs_ti = qs_ti.View();
// accelerator_for(ss, grid->oSites(), grid->Nsimd(), {
thread_for(ss,grid->oSites(),{
auto Dq_ti = vq_ti[ss];
auto Dq_tf = vq_tf[ss];
auto Dd_tf = vd_tf[ss];
auto Ds_ti = vs_ti[ss];
sobj result=Zero();
if(op == "Q1"){
Sigma_to_Nucleon_Q1_NonEye_site(Dq_ti,Dq_tf,Du_spec,Dd_tf,Ds_ti,Gamma_H,GammaB_sigma,GammaB_nucl,result);
} else if(op == "Q2"){
Sigma_to_Nucleon_Q2_NonEye_site(Dq_ti,Dq_tf,Du_spec,Dd_tf,Ds_ti,Gamma_H,GammaB_sigma,GammaB_nucl,result);
} else {
assert(0 && "Weak Operator not correctly specified");
}
vcorr[ss] = result;
} );//end loop over lattice sites
}
NAMESPACE_END(Grid);

2
Hadrons/Modules.hpp
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@ -12,6 +12,8 @@
#include <Hadrons/Modules/MContraction/DiscLoop.hpp>
#include <Hadrons/Modules/MContraction/Gamma3pt.hpp>
#include <Hadrons/Modules/MContraction/Meson.hpp>
#include <Hadrons/Modules/MContraction/SigmaToNucleonEye.hpp>
#include <Hadrons/Modules/MContraction/SigmaToNucleonNonEye.hpp>
#include <Hadrons/Modules/MContraction/WeakEye3pt.hpp>
#include <Hadrons/Modules/MContraction/WeakMesonDecayKl2.hpp>
#include <Hadrons/Modules/MContraction/WeakNonEye3pt.hpp>

7
Hadrons/Modules/MContraction/SigmaToNucleonEye.cc Normal file
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@ -0,0 +1,7 @@
#include <Hadrons/Modules/MContraction/SigmaToNucleonEye.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MContraction;
template class Grid::Hadrons::MContraction::TSigmaToNucleonEye<FIMPL>;

218
Hadrons/Modules/MContraction/SigmaToNucleonEye.hpp Normal file
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@ -0,0 +1,218 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MContraction/SigmaToNucleonEye.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Felix Erben <felix.erben@ed.ac.uk>
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_SigmaToNucleonEye_hpp_
#define Hadrons_MContraction_SigmaToNucleonEye_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
#include <Grid/qcd/utils/BaryonUtils.h>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* SigmaToNucleonEye *
******************************************************************************/
/*
* Sigma-to-nucleon 3-pt diagrams, eye topologies.
*
* Schematics: qqLoop |
* /->-¬ |
* / \ | qsTi G qdTf
* \ / | /---->------*------>----¬
* qsTi \ / qdTf | / /-*-¬ \
* /----->-----* *----->----¬ | / / G \ \
* * G G * | * \ / qqLoop *
* |\ /| | |\ \-<-/ /|
* | \ / | | | \ / |
* | \---------->---------/ | | | \----------->----------/ |
* \ quSpec / | \ quSpec /
* \ / | \ /
* \---------->---------/ | \----------->----------/
* quSpec | quSpec
*
* analogously to the rare-kaon naming, the left diagram is named 'one-trace' and
* the diagram on the right 'two-trace'
*
* Propagators:
* * qqLoop
* * quSpec, source at ti
* * qdTf, source at tf
* * qsTi, source at ti
*/
BEGIN_MODULE_NAMESPACE(MContraction)
class SigmaToNucleonEyePar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(SigmaToNucleonEyePar,
std::string, qqLoop,
std::string, quSpec,
std::string, qdTf,
std::string, qsTi,
unsigned int, tf,
std::string, sink,
std::string, output);
};
template <typename FImpl>
class TSigmaToNucleonEye: public Module<SigmaToNucleonEyePar>
{
public:
FERM_TYPE_ALIASES(FImpl,);
BASIC_TYPE_ALIASES(ScalarImplCR, Scalar);
SINK_TYPE_ALIASES(Scalar);
typedef typename SpinMatrixField::vector_object::scalar_object SpinMatrix;
class Metadata: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(Metadata,
Gamma::Algebra, gammaH,
Gamma::Algebra, gammaASigma,
Gamma::Algebra, gammaBSigma,
Gamma::Algebra, gammaANucl,
Gamma::Algebra, gammaBNucl,
int, trace);
};
typedef Correlator<Metadata, SpinMatrix> Result;
public:
// constructor
TSigmaToNucleonEye(const std::string name);
// destructor
virtual ~TSigmaToNucleonEye(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);
// Which gamma algebra was specified
Gamma::Algebra al;
};
MODULE_REGISTER_TMP(SigmaToNucleonEye, ARG(TSigmaToNucleonEye<FIMPL>), MContraction);
/******************************************************************************
* TSigmaToNucleonEye implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TSigmaToNucleonEye<FImpl>::TSigmaToNucleonEye(const std::string name)
: Module<SigmaToNucleonEyePar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TSigmaToNucleonEye<FImpl>::getInput(void)
{
std::vector<std::string> input = {par().qqLoop, par().quSpec, par().qdTf, par().qsTi, par().sink};
return input;
}
template <typename FImpl>
std::vector<std::string> TSigmaToNucleonEye<FImpl>::getOutput(void)
{
std::vector<std::string> out = {};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TSigmaToNucleonEye<FImpl>::setup(void)
{
envTmpLat(SpinMatrixField, "c");
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TSigmaToNucleonEye<FImpl>::execute(void)
{
const Gamma GammaB(Gamma::Algebra::SigmaXZ); // C*gamma_5
const Gamma Id(Gamma::Algebra::Identity); // C*gamma_5
LOG(Message) << "Computing sigma-to-nucleon contractions '" << getName() << "'" << std::endl;
LOG(Message) << "' with (Gamma^A,Gamma^B)_sigma = ( Identity, C*gamma_5 ) and (Gamma^A,Gamma^B)_nucl = ( Identity, C*gamma_5 )" << std::endl;
LOG(Message) << " using sink " << par().sink << "." << std::endl;
envGetTmp(SpinMatrixField, c);
std::vector<SpinMatrix> buf;
std::vector<Result> result;
Result r;
r.info.gammaASigma = Id.g;
r.info.gammaBSigma = GammaB.g;
r.info.gammaANucl = Id.g;
r.info.gammaBNucl = GammaB.g;
auto &qqLoop = envGet(PropagatorField, par().qqLoop);
auto &quSpec = envGet(SlicedPropagator, par().quSpec);
auto &qdTf = envGet(PropagatorField, par().qdTf);
auto &qsTi = envGet(PropagatorField, par().qsTi);
auto qut = quSpec[par().tf];
for (auto &G: Gamma::gall)
{
r.info.gammaH = G.g;
//Operator Q1, equivalent to the two-trace case in the rare-kaons module
c=Zero();
BaryonUtils<FIMPL>::Sigma_to_Nucleon_Eye(qqLoop,qut,qdTf,qsTi,G,GammaB,GammaB,"Q1",c);
sliceSum(c,buf,Tp);
r.corr.clear();
for (unsigned int t = 0; t < buf.size(); ++t)
{
r.corr.push_back(buf[t]);
}
r.info.trace = 2;
result.push_back(r);
//Operator Q2, equivalent to the one-trace case in the rare-kaons module
c=Zero();
BaryonUtils<FIMPL>::Sigma_to_Nucleon_Eye(qqLoop,qut,qdTf,qsTi,G,GammaB,GammaB,"Q2",c);
sliceSum(c,buf,Tp);
r.corr.clear();
for (unsigned int t = 0; t < buf.size(); ++t)
{
r.corr.push_back(buf[t]);
}
r.info.trace = 1;
result.push_back(r);
}
saveResult(par().output, "stnEye", result);
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MContraction_SigmaToNucleonEye_hpp_

7
Hadrons/Modules/MContraction/SigmaToNucleonNonEye.cc Normal file
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@ -0,0 +1,7 @@
#include <Hadrons/Modules/MContraction/SigmaToNucleonNonEye.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MContraction;
template class Grid::Hadrons::MContraction::TSigmaToNucleonNonEye<FIMPL>;

224
Hadrons/Modules/MContraction/SigmaToNucleonNonEye.hpp Normal file
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@ -0,0 +1,224 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MContraction/SigmaToNucleonNonEye.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Felix Erben <felix.erben@ed.ac.uk>
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_SigmaToNucleonNonEye_hpp_
#define Hadrons_MContraction_SigmaToNucleonNonEye_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
#include <Grid/qcd/utils/BaryonUtils.h>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* SigmaToNucleonNonEye *
******************************************************************************/
/*
* Sigma-to-Nucleon 3-pt diagrams, non-eye topologies.
*
* Schematic:
* qsTi quTf | qsTi qdTf
* /-->--¬ /-->--¬ | /-->--¬ /-->--¬
* / \ / \ | / \ / \
* / \ / \ | / \ / \
* / \ / \ | / \ / \
* * * G * | * G * * G *
* |\ * G | | |\ / \ /|
* | \ / \ /| | | \ / \ / |
* | \ / \ / | | | \ / \ / |
* | \ / \ / | | | \-->--/ \-->--/ |
* \ \-->--/ \-->--/ / | \ quTi quTf /
* \ quTi qdTf / | \ /
* \ / | \ /
* \--------->----------/ | \--------->-----------/
* quSpec | quSpec
*
*
* analogously to the rare-kaon naming, the left diagram is named 'one-trace' and
* the diagram on the right 'two-trace'
*
* Propagators:
* * quTi, source at ti
* * quTf, source at tf
* * quSpec, source at ti
* * qdTf, source at tf
* * qsTi, source at ti
*/
BEGIN_MODULE_NAMESPACE(MContraction)
class SigmaToNucleonNonEyePar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(SigmaToNucleonNonEyePar,
std::string, quTi,
std::string, quTf,
std::string, quSpec,
std::string, qdTf,
std::string, qsTi,
unsigned int, tf,
std::string, sink,
std::string, output);
};
template <typename FImpl>
class TSigmaToNucleonNonEye: public Module<SigmaToNucleonNonEyePar>
{
public:
FERM_TYPE_ALIASES(FImpl,);
BASIC_TYPE_ALIASES(ScalarImplCR, Scalar);
SINK_TYPE_ALIASES(Scalar);
typedef typename SpinMatrixField::vector_object::scalar_object SpinMatrix;
class Metadata: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(Metadata,
Gamma::Algebra, gammaH,
Gamma::Algebra, gammaASigma,
Gamma::Algebra, gammaBSigma,
Gamma::Algebra, gammaANucl,
Gamma::Algebra, gammaBNucl,
int, trace);
};
typedef Correlator<Metadata, SpinMatrix> Result;
public:
// constructor
TSigmaToNucleonNonEye(const std::string name);
// destructor
virtual ~TSigmaToNucleonNonEye(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);
// Which gamma algebra was specified
Gamma::Algebra al;
};
MODULE_REGISTER_TMP(SigmaToNucleonNonEye, ARG(TSigmaToNucleonNonEye<FIMPL>), MContraction);
/******************************************************************************
* TSigmaToNucleonNonEye implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TSigmaToNucleonNonEye<FImpl>::TSigmaToNucleonNonEye(const std::string name)
: Module<SigmaToNucleonNonEyePar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TSigmaToNucleonNonEye<FImpl>::getInput(void)
{
std::vector<std::string> input = {par().quTi, par().quTf, par().quSpec, par().qdTf, par().qsTi, par().sink};
return input;
}
template <typename FImpl>
std::vector<std::string> TSigmaToNucleonNonEye<FImpl>::getOutput(void)
{
std::vector<std::string> out = {};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TSigmaToNucleonNonEye<FImpl>::setup(void)
{
envTmpLat(SpinMatrixField, "c");
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TSigmaToNucleonNonEye<FImpl>::execute(void)
{
const Gamma GammaB(Gamma::Algebra::SigmaXZ); // C*gamma_5
const Gamma Id(Gamma::Algebra::Identity); // C*gamma_5
LOG(Message) << "Computing sigma-to-nucleon contractions '" << getName() << "'" << std::endl;
LOG(Message) << "' with (Gamma^A,Gamma^B)_sigma = ( Identity, C*gamma_5 ) and (Gamma^A,Gamma^B)_nucl = ( Identity, C*gamma_5 )" << std::endl;
LOG(Message) << " using sink " << par().sink << "." << std::endl;
envGetTmp(SpinMatrixField, c);
std::vector<SpinMatrix> buf;
std::vector<Result> result;
Result r;
r.info.gammaASigma = Id.g;
r.info.gammaBSigma = GammaB.g;
r.info.gammaANucl = Id.g;
r.info.gammaBNucl = GammaB.g;
auto &quTi = envGet(PropagatorField, par().quTi);
auto &quTf = envGet(PropagatorField, par().quTf);
auto &quSpec = envGet(SlicedPropagator, par().quSpec);
auto &qdTf = envGet(PropagatorField, par().qdTf);
auto &qsTi = envGet(PropagatorField, par().qsTi);
auto qut = quSpec[par().tf];
for (auto &G: Gamma::gall)
{
r.info.gammaH = G.g;
//Operator Q1, equivalent to the two-trace case in the rare-kaons module
c=Zero();
BaryonUtils<FIMPL>::Sigma_to_Nucleon_NonEye(quTi,quTf,qut,qdTf,qsTi,G,GammaB,GammaB,"Q1",c);
sliceSum(c,buf,Tp);
r.corr.clear();
for (unsigned int t = 0; t < buf.size(); ++t)
{
r.corr.push_back(buf[t]);
}
r.info.trace = 2;
result.push_back(r);
//Operator Q2, equivalent to the one-trace case in the rare-kaons module
c=Zero();
BaryonUtils<FIMPL>::Sigma_to_Nucleon_NonEye(quTi,quTf,qut,qdTf,qsTi,G,GammaB,GammaB,"Q2",c);
sliceSum(c,buf,Tp);
r.corr.clear();
for (unsigned int t = 0; t < buf.size(); ++t)
{
r.corr.push_back(buf[t]);
}
r.info.trace = 1;
result.push_back(r);
}
saveResult(par().output, "stnNonEye", result);
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MContraction_SigmaToNucleonNonEye_hpp_

4
Hadrons/modules.inc
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@ -13,6 +13,8 @@ modules_cc =\
Modules/MContraction/DiscLoop.cc \
Modules/MContraction/Gamma3pt.cc \
Modules/MContraction/Meson.cc \
Modules/MContraction/SigmaToNucleonEye.cc \
Modules/MContraction/SigmaToNucleonNonEye.cc \
Modules/MContraction/WeakEye3pt.cc \
Modules/MContraction/WeakMesonDecayKl2.cc \
Modules/MContraction/WeakNonEye3pt.cc \
@ -95,6 +97,8 @@ modules_hpp =\
Modules/MContraction/DiscLoop.hpp \
Modules/MContraction/Gamma3pt.hpp \
Modules/MContraction/Meson.hpp \
Modules/MContraction/SigmaToNucleonEye.hpp \
Modules/MContraction/SigmaToNucleonNonEye.hpp \
Modules/MContraction/WeakEye3pt.hpp \
Modules/MContraction/WeakMesonDecayKl2.hpp \
Modules/MContraction/WeakNonEye3pt.hpp \

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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Tests/Hadrons/Test_hadrons_spectrum.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/Application.hpp>
#include <Hadrons/Modules.hpp>
using namespace Grid;
using namespace Hadrons;
int main(int argc, char *argv[])
{
// 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<std::string> flavour = {"l", "s", "c"};
std::vector<double> mass = {.01, .04, .2 };
// global parameters
Application::GlobalPar globalPar;
globalPar.trajCounter.start = 1500;
globalPar.trajCounter.end = 1520;
globalPar.trajCounter.step = 20;
globalPar.runId = "test";
application.setPar(globalPar);
// gauge field
application.createModule<MGauge::Unit>("gauge");
// sources
MSource::Point::Par ptPar;
ptPar.position = "0 0 0 0";
application.createModule<MSource::Point>("pt_0", ptPar);
ptPar.position = "0 0 0 4";
application.createModule<MSource::Point>("pt_4", ptPar);
// sink
MSink::Point::Par sinkPar;
sinkPar.mom = "0 0 0";
application.createModule<MSink::ScalarPoint>("sink", sinkPar);
application.createModule<MSink::Point>("sink_spec", sinkPar);
// set fermion boundary conditions to be periodic space, antiperiodic time.
std::string boundary = "1 1 1 -1";
std::string twist = "0. 0. 0. 0.";
for (unsigned int i = 0; i < flavour.size(); ++i)
{
// actions
MAction::DWF::Par actionPar;
actionPar.gauge = "gauge";
actionPar.Ls = 12;
actionPar.M5 = 1.8;
actionPar.mass = mass[i];
actionPar.boundary = boundary;
actionPar.twist = twist;
application.createModule<MAction::DWF>("DWF_" + flavour[i], actionPar);
// solvers
MSolver::RBPrecCG::Par solverPar;
solverPar.action = "DWF_" + flavour[i];
solverPar.residual = 1.0e-8;
solverPar.maxIteration = 10000;
application.createModule<MSolver::RBPrecCG>("CG_" + flavour[i],
solverPar);
}
// propagators
MFermion::GaugeProp::Par quarkPar;
quarkPar.solver = "CG_l";
quarkPar.source = "pt_0";
application.createModule<MFermion::GaugeProp>("Qpt_l_0", quarkPar);
quarkPar.source = "pt_4";
application.createModule<MFermion::GaugeProp>("Qpt_l_4", quarkPar);
quarkPar.solver = "CG_s";
quarkPar.source = "pt_0";
application.createModule<MFermion::GaugeProp>("Qpt_s_0", quarkPar);
//This should be a loop - how do I make this?
quarkPar.solver = "CG_c";
quarkPar.source = "pt_0";
application.createModule<MFermion::GaugeProp>("Qpt_c_loop", quarkPar);
quarkPar.solver = "CG_l";
quarkPar.source = "pt_0";
application.createModule<MFermion::GaugeProp>("Qpt_l_loop", quarkPar);
MSink::Smear::Par smearPar;
smearPar.q="Qpt_l_0";
smearPar.sink = "sink_spec";
application.createModule<MSink::Smear>("Qpt_u_spec",smearPar);
MContraction::SigmaToNucleonEye::Par EyePar;
EyePar.output = "SigmaToNucleon/Eye_u";
EyePar.qqLoop = "Qpt_l_loop";
EyePar.quSpec = "Qpt_u_spec";
EyePar.qdTf = "Qpt_l_4";
EyePar.qsTi = "Qpt_s_0";
EyePar.tf = 4;
EyePar.sink = "sink";
application.createModule<MContraction::SigmaToNucleonEye>("SigmaToNucleonEye_u", EyePar);
EyePar.output = "SigmaToNucleon/Eye_c";
EyePar.qqLoop = "Qpt_c_loop";
application.createModule<MContraction::SigmaToNucleonEye>("SigmaToNucleonEye_c", EyePar);
MContraction::SigmaToNucleonNonEye::Par NonEyePar;
NonEyePar.output = "SigmaToNucleon/NonEye";
NonEyePar.quTi = "Qpt_l_0";
NonEyePar.quTf = "Qpt_l_4";
NonEyePar.quSpec = "Qpt_u_spec";
NonEyePar.qdTf = "Qpt_l_4";
NonEyePar.qsTi = "Qpt_s_0";
NonEyePar.tf = 4;
NonEyePar.sink = "sink";
application.createModule<MContraction::SigmaToNucleonNonEye>("SigmaToNucleonNonEye", NonEyePar);
// execution
application.saveParameterFile("stn.xml");
application.run();
// epilogue
LOG(Message) << "Grid is finalizing now" << std::endl;
Grid_finalize();
return EXIT_SUCCESS;
}