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Hadrons: scalar SU(N) tr(phi^n) 1-pt function

This commit is contained in:
Antonin Portelli 2018-01-10 11:01:03 +00:00
parent 58c7a13d54
commit 29f026c375
4 changed files with 157 additions and 59 deletions

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@ -1,32 +1,3 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: extras/Hadrons/Modules.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 */
#include <Grid/Hadrons/Modules/MContraction/Baryon.hpp>
#include <Grid/Hadrons/Modules/MContraction/Meson.hpp>
#include <Grid/Hadrons/Modules/MContraction/WeakHamiltonian.hpp>
@ -56,5 +27,6 @@ See the full license in the file "LICENSE" in the top level distribution directo
#include <Grid/Hadrons/Modules/MScalar/ChargedProp.hpp>
#include <Grid/Hadrons/Modules/MAction/DWF.hpp>
#include <Grid/Hadrons/Modules/MAction/Wilson.hpp>
#include <Grid/Hadrons/Modules/MScalarSUN/TrPhi.hpp>
#include <Grid/Hadrons/Modules/MIO/LoadNersc.hpp>
#include <Grid/Hadrons/Modules/MIO/LoadBinary.hpp>

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@ -0,0 +1,155 @@
#ifndef Hadrons_MScalarSUN_TrPhi_hpp_
#define Hadrons_MScalarSUN_TrPhi_hpp_
#include <Grid/Hadrons/Global.hpp>
#include <Grid/Hadrons/Module.hpp>
#include <Grid/Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* TrPhi *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MScalarSUN)
class TrPhiPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(TrPhiPar,
std::string, field,
unsigned int, maxPow,
std::string, output);
};
template <typename SImpl>
class TTrPhi: public Module<TrPhiPar>
{
public:
typedef typename SImpl::Field Field;
typedef typename SImpl::ComplexField ComplexField;
class Result: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(Result,
std::string, op,
Complex, value);
};
public:
// constructor
TTrPhi(const std::string name);
// destructor
virtual ~TTrPhi(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);
private:
// output name generator
std::string outName(const unsigned int n);
};
MODULE_REGISTER_NS(TrPhiSU2, TTrPhi<ScalarNxNAdjImplR<2>>, MScalarSUN);
MODULE_REGISTER_NS(TrPhiSU3, TTrPhi<ScalarNxNAdjImplR<3>>, MScalarSUN);
MODULE_REGISTER_NS(TrPhiSU4, TTrPhi<ScalarNxNAdjImplR<4>>, MScalarSUN);
MODULE_REGISTER_NS(TrPhiSU5, TTrPhi<ScalarNxNAdjImplR<5>>, MScalarSUN);
MODULE_REGISTER_NS(TrPhiSU6, TTrPhi<ScalarNxNAdjImplR<6>>, MScalarSUN);
/******************************************************************************
* TTrPhi implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename SImpl>
TTrPhi<SImpl>::TTrPhi(const std::string name)
: Module<TrPhiPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename SImpl>
std::vector<std::string> TTrPhi<SImpl>::getInput(void)
{
std::vector<std::string> in = {par().field};
return in;
}
template <typename SImpl>
std::vector<std::string> TTrPhi<SImpl>::getOutput(void)
{
std::vector<std::string> out;
for (unsigned int n = 2; n <= par().maxPow; n += 2)
{
out.push_back(outName(n));
}
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename SImpl>
void TTrPhi<SImpl>::setup(void)
{
if (par().maxPow < 2)
{
HADRON_ERROR(Size, "'maxPow' should be at least equal to 2");
}
envTmpLat(Field, "phi2");
envTmpLat(Field, "buf");
for (unsigned int n = 2; n <= par().maxPow; n += 2)
{
envCreateLat(ComplexField, outName(n));
}
}
// execution ///////////////////////////////////////////////////////////////////
template <typename SImpl>
void TTrPhi<SImpl>::execute(void)
{
LOG(Message) << "Computing tr(phi^n) for n even up to " << par().maxPow
<< "..." << std::endl;
std::vector<Result> result;
auto &phi = envGet(Field, par().field);
envGetTmp(Field, phi2);
envGetTmp(Field, buf);
buf = 1.;
phi2 = -phi*phi;
for (unsigned int n = 2; n <= par().maxPow; n += 2)
{
auto &phin = envGet(ComplexField, outName(n));
buf = buf*phi2;
phin = trace(buf);
if (!par().output.empty())
{
Result r;
r.op = "phi" + std::to_string(n);
r.value = TensorRemove(sum(phin));
result.push_back(r);
}
}
if (result.size() > 0)
{
ResultWriter writer(RESULT_FILE_NAME(par().output));
write(writer, "trphi", result);
}
}
// output name generator ///////////////////////////////////////////////////////
template <typename SImpl>
std::string TTrPhi<SImpl>::outName(const unsigned int n)
{
return getName() + "_" + std::to_string(n);
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MScalarSUN_TrPhi_hpp_

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@ -7,36 +7,6 @@ echo 'modules_hpp =\' >> modules.inc
find Modules -name '*.hpp' -type f -print | sed 's/^/ /;$q;s/$/ \\/' >> modules.inc
echo '' >> modules.inc
rm -f Modules.hpp
echo "/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: extras/Hadrons/Modules.hpp
Copyright (C) 2015
Copyright (C) 2016
Copyright (C) 2017
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 */
" > Modules.hpp
for f in `find Modules -name '*.hpp'`; do
echo "#include <Grid/Hadrons/${f}>" >> Modules.hpp
done

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@ -39,6 +39,7 @@ modules_hpp =\
Modules/MScalar/ChargedProp.hpp \
Modules/MAction/DWF.hpp \
Modules/MAction/Wilson.hpp \
Modules/MScalarSUN/TrPhi.hpp \
Modules/MIO/LoadNersc.hpp \
Modules/MIO/LoadBinary.hpp