mirror of
https://github.com/paboyle/Grid.git
synced 2025-06-17 07:17:06 +01:00
Hadrons: moving Hadrons to root directory, build system improvements
This commit is contained in:
148
Hadrons/Modules/MContraction/WeakHamiltonianNonEye.cc
Normal file
148
Hadrons/Modules/MContraction/WeakHamiltonianNonEye.cc
Normal file
@ -0,0 +1,148 @@
|
||||
/*************************************************************************************
|
||||
|
||||
Grid physics library, www.github.com/paboyle/Grid
|
||||
|
||||
Source file: extras/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);
|
||||
}
|
Reference in New Issue
Block a user