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Adding WilsonFlow smearing

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This commit is contained in:
Guido Cossu
2017-03-21 11:52:05 +09:00
parent 3d0fe15374
commit 18b7845b7b
3 changed files with 179 additions and 6 deletions
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38
lib/qcd/smearing/APEsmearing.h
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@ -1,3 +1,31 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/qcd/modules/plaquette.h
Copyright (C) 2017
Author: Guido Cossu <guido.cossu@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 */
/*!
@brief Declaration of Smear_APE class for APE smearing
*/
@ -10,12 +38,12 @@
/*! @brief APE type smearing of link variables. */
template <class Gimpl>
template <class Gimpl>
class Smear_APE: public Smear<Gimpl>{
private:
const std::vector<double> rho;/*!< Array of weights */
//This member must be private - we do not want to control from outside
//This member must be private - we do not want to control from outside
std::vector<double> set_rho(const double common_rho) const {
std::vector<double> res;
@ -40,7 +68,7 @@
GridBase *grid = U._grid;
GaugeLinkField Cup(grid), tmp_stpl(grid);
WilsonLoops<Gimpl> WL;
u_smr = zero;
u_smr = zero;
for(int mu=0; mu<Nd; ++mu){
Cup = zero;
@ -61,7 +89,7 @@
const GaugeField& iLambda,
const GaugeField& U)const{
// Reference
// Reference
// Morningstar, Peardon, Phys.Rev.D69,054501(2004)
// Equation 75
// Computing Sigma_mu, derivative of S[fat links] with respect to the thin links
@ -127,4 +155,4 @@
}// namespace QCD
}//namespace Grid
#endif
#endif