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Hadrons: sequential gamma source
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#include <Grid/Hadrons/Modules/MGauge/Unit.hpp>
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#include <Grid/Hadrons/Modules/MSolver/RBPrecCG.hpp>
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#include <Grid/Hadrons/Modules/MSource/Point.hpp>
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#include <Grid/Hadrons/Modules/MSource/SeqGamma.hpp>
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#include <Grid/Hadrons/Modules/MSource/Z2.hpp>
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#include <Grid/Hadrons/Modules/Quark.hpp>
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137
extras/Hadrons/Modules/MSource/SeqGamma.hpp
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137
extras/Hadrons/Modules/MSource/SeqGamma.hpp
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#ifndef Hadrons_SeqGamma_hpp_
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#define Hadrons_SeqGamma_hpp_
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#include <Grid/Hadrons/Global.hpp>
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#include <Grid/Hadrons/Module.hpp>
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#include <Grid/Hadrons/ModuleFactory.hpp>
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BEGIN_HADRONS_NAMESPACE
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/*
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Sequential source
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-----------------------------
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* src_x = q_x * theta(x_3 - tA) * theta(tB - x_3) * gamma * exp(i x.mom)
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* options:
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- q: input propagator (string)
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- tA: begin timeslice (integer)
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- tB: end timesilce (integer)
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- gamma: gamma product to insert (integer)
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- mom: momentum insertion, space-separated float sequence (e.g ".1 .2 1. 0.")
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*/
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/******************************************************************************
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* SeqGamma *
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******************************************************************************/
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BEGIN_MODULE_NAMESPACE(MSource)
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class SeqGammaPar: Serializable
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{
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public:
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GRID_SERIALIZABLE_CLASS_MEMBERS(SeqGammaPar,
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std::string, q,
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unsigned int, tA,
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unsigned int, tB,
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unsigned int, gamma,
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std::string, mom);
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};
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template <typename FImpl>
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class TSeqGamma: public Module<SeqGammaPar>
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{
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public:
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TYPE_ALIASES(FImpl,);
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public:
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// constructor
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TSeqGamma(const std::string name);
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// destructor
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virtual ~TSeqGamma(void) = default;
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// dependency relation
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virtual std::vector<std::string> getInput(void);
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virtual std::vector<std::string> getOutput(void);
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// setup
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virtual void setup(void);
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// execution
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virtual void execute(void);
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};
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typedef TSeqGamma<FIMPL> SeqGamma;
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/******************************************************************************
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* TSeqGamma implementation *
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******************************************************************************/
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// constructor /////////////////////////////////////////////////////////////////
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template <typename FImpl>
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TSeqGamma<FImpl>::TSeqGamma(const std::string name)
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: Module<SeqGammaPar>(name)
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{}
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// dependencies/products ///////////////////////////////////////////////////////
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template <typename FImpl>
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std::vector<std::string> TSeqGamma<FImpl>::getInput(void)
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{
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std::vector<std::string> in = {par().q};
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return in;
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}
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template <typename FImpl>
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std::vector<std::string> TSeqGamma<FImpl>::getOutput(void)
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{
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std::vector<std::string> out = {getName()};
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return out;
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}
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// setup ///////////////////////////////////////////////////////////////////////
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template <typename FImpl>
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void TSeqGamma<FImpl>::setup(void)
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{
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env().template registerLattice<PropagatorField>(getName());
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}
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// execution ///////////////////////////////////////////////////////////////////
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template <typename FImpl>
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void TSeqGamma<FImpl>::execute(void)
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{
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if (par().tA == par().tB)
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{
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LOG(Message) << "Generating gamma_" << par().gamma
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<< " sequential source at t= " << par().tA << std::endl;
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}
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else
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{
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LOG(Message) << "Generating gamma_" << par().gamma
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<< " sequential source for "
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<< par().tA << " <= t <= " << par().tB << std::endl;
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}
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PropagatorField &src = *env().template createLattice<PropagatorField>(getName());
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PropagatorField &q = *env().template getObject<PropagatorField>(par().q);
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Lattice<iScalar<vInteger>> t(env().getGrid());
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LatticeComplex ph(env().getGrid()), coor(env().getGrid());
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SpinMatrix g;
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std::vector<Real> p;
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Complex i(0.0,1.0);
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g = makeGammaProd(par().gamma);
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p = strToVec<Real>(par().mom);
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ph = zero;
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for(unsigned int mu = 0; mu < Nd; mu++)
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{
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LatticeCoordinate(coor, mu);
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ph = ph + p[mu]*coor;
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}
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ph = exp(i*ph);
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LatticeCoordinate(t, Tp);
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src = where((t >= par().tA) and (t <= par().tB), g*ph*q, 0.*q);
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}
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END_MODULE_NAMESPACE
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MODULE_REGISTER_NS(SeqGamma, MSource);
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END_HADRONS_NAMESPACE
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#endif // Hadrons_SeqGamma_hpp_
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@ -13,6 +13,7 @@ modules_hpp =\
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Modules/MGauge/Unit.hpp \
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Modules/MSolver/RBPrecCG.hpp \
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Modules/MSource/Point.hpp \
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Modules/MSource/SeqGamma.hpp \
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Modules/MSource/Z2.hpp \
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Modules/Quark.hpp
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171
tests/hadrons/Test_hadrons_meson_3pt.cc
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171
tests/hadrons/Test_hadrons_meson_3pt.cc
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/*******************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: tests/hadrons/Test_hadrons_meson_3pt.cc
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Copyright (C) 2015
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Author: Antonin Portelli <antonin.portelli@me.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution
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directory.
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*******************************************************************************/
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#include <Grid/Hadrons/Application.hpp>
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using namespace Grid;
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using namespace Hadrons;
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int main(int argc, char *argv[])
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{
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// initialization //////////////////////////////////////////////////////////
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Grid_init(&argc, &argv);
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HadronsLogError.Active(GridLogError.isActive());
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HadronsLogWarning.Active(GridLogWarning.isActive());
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HadronsLogMessage.Active(GridLogMessage.isActive());
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HadronsLogIterative.Active(GridLogIterative.isActive());
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HadronsLogDebug.Active(GridLogDebug.isActive());
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LOG(Message) << "Grid initialized" << std::endl;
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// run setup ///////////////////////////////////////////////////////////////
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Application application;
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std::vector<std::string> flavour = {"l", "s", "c1", "c2", "c3"};
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std::vector<double> mass = {.01, .04, .2 , .25 , .3 };
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unsigned int nt = GridDefaultLatt()[Tp];
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// global parameters
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Application::GlobalPar globalPar;
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globalPar.trajCounter.start = 1500;
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globalPar.trajCounter.end = 1520;
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globalPar.trajCounter.step = 20;
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globalPar.seed = "1 2 3 4";
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globalPar.genetic.maxGen = 5000;
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globalPar.genetic.maxCstGen = 100;
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globalPar.genetic.popSize = 50;
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globalPar.genetic.mutationRate = .25;
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application.setPar(globalPar);
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// gauge field
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application.createModule<MGauge::Unit>("gauge");
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for (unsigned int i = 0; i < flavour.size(); ++i)
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{
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// actions
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MAction::DWF::Par actionPar;
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actionPar.gauge = "gauge";
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actionPar.Ls = 12;
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actionPar.M5 = 1.8;
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actionPar.mass = mass[i];
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application.createModule<MAction::DWF>("DWF_" + flavour[i], actionPar);
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// solvers
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MSolver::RBPrecCG::Par solverPar;
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solverPar.action = "DWF_" + flavour[i];
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solverPar.residual = 1.0e-8;
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application.createModule<MSolver::RBPrecCG>("CG_" + flavour[i],
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solverPar);
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}
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for (unsigned int t = 0; t < nt; t += 8)
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{
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std::string srcName;
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std::vector<std::string> qName;
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std::vector<std::vector<std::string>> seqName;
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// Z2 source
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MSource::Z2::Par z2Par;
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z2Par.tA = t;
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z2Par.tB = t;
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srcName = "z2_" + std::to_string(t);
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application.createModule<MSource::Z2>(srcName, z2Par);
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for (unsigned int i = 0; i < flavour.size(); ++i)
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{
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// sequential sources
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MSource::SeqGamma::Par seqPar;
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qName.push_back("QZ2_" + flavour[i] + srcName);
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seqPar.q = qName[i];
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seqPar.tA = (t + nt/4) % nt;
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seqPar.tB = (t + nt/4) % nt;
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seqPar.mom = "1. 0. 0. 0.";
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seqName.push_back(std::vector<std::string>(Nd));
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for (unsigned int mu = 0; mu < Nd; ++mu)
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{
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seqPar.gamma = 0x1 << mu;
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seqName[i][mu] = "G" + std::to_string(seqPar.gamma)
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+ "_" + std::to_string(seqPar.tA) + "-"
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+ qName[i];
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application.createModule<MSource::SeqGamma>(seqName[i][mu], seqPar);
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}
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// propagators
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Quark::Par quarkPar;
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quarkPar.solver = "CG_" + flavour[i];
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quarkPar.source = srcName;
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application.createModule<Quark>(qName[i], quarkPar);
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for (unsigned int mu = 0; mu < Nd; ++mu)
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{
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quarkPar.source = seqName[i][mu];
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seqName[i][mu] = qName[i] + "-" + seqName[i][mu];
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application.createModule<Quark>(seqName[i][mu], quarkPar);
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}
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}
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// contractions
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MContraction::Meson::Par mesPar;
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for (unsigned int i = 0; i < flavour.size(); ++i)
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for (unsigned int j = i; j < flavour.size(); ++j)
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{
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mesPar.output = "mesons/Z2_" + flavour[i] + flavour[j];
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mesPar.q1 = qName[i];
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mesPar.q2 = qName[j];
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application.createModule<MContraction::Meson>("meson_Z2_"
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+ std::to_string(t)
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+ "_"
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+ flavour[i]
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+ flavour[j],
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mesPar);
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}
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for (unsigned int i = 0; i < flavour.size(); ++i)
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for (unsigned int j = 0; j < flavour.size(); ++j)
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for (unsigned int mu = 0; mu < Nd; ++mu)
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{
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MContraction::Meson::Par mesPar;
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mesPar.output = "3pt/Z2_" + flavour[i] + flavour[j] + "_"
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+ std::to_string(mu);
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mesPar.q1 = qName[i];
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mesPar.q2 = seqName[j][mu];
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application.createModule<MContraction::Meson>("3pt_Z2_"
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+ std::to_string(t)
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+ "_"
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+ flavour[i]
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+ flavour[j]
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+ "_"
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+ std::to_string(mu),
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mesPar);
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}
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}
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Environment::getInstance().printContent();
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// execution
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application.run();
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// epilogue
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LOG(Message) << "Grid is finalizing now" << std::endl;
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Grid_finalize();
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return EXIT_SUCCESS;
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}
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