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Populating Clover fermions methods

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This commit is contained in:
Guido Cossu
2017-03-27 15:12:57 +09:00
parent 5fdc05782b
commit fff484eca5
3 changed files with 103 additions and 70 deletions
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11
lib/qcd/action/Actions.h
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@@ -142,11 +142,10 @@ typedef SymanzikGaugeAction<ConjugateGimplD> ConjugateSymanzikGaugeAction
////////////////////////////////////////////
#include <Grid/qcd/action/fermion/WilsonFermion.h> // 4d wilson like
#include <Grid/qcd/action/fermion/WilsonTMFermion.h> // 4d wilson like
#include <Grid/qcd/action/fermion/WilsonTMFermion.h> // 4d wilson like
#include <Grid/qcd/action/fermion/WilsonCloverFermion.h> // 4d wilson like
#include <Grid/qcd/action/fermion/WilsonFermion5D.h> // 5d base used by all 5d overlap types
//#include <Grid/qcd/action/fermion/CloverFermion.h>
#include <Grid/qcd/action/fermion/CayleyFermion5D.h> // Cayley types
#include <Grid/qcd/action/fermion/DomainWallFermion.h>
#include <Grid/qcd/action/fermion/DomainWallFermion.h>
@@ -188,10 +187,16 @@ typedef WilsonFermion<WilsonTwoIndexSymmetricImplR> WilsonTwoIndexSymmetricFermi
typedef WilsonFermion<WilsonTwoIndexSymmetricImplF> WilsonTwoIndexSymmetricFermionF;
typedef WilsonFermion<WilsonTwoIndexSymmetricImplD> WilsonTwoIndexSymmetricFermionD;
// Twisted mass fermion
typedef WilsonTMFermion<WilsonImplR> WilsonTMFermionR;
typedef WilsonTMFermion<WilsonImplF> WilsonTMFermionF;
typedef WilsonTMFermion<WilsonImplD> WilsonTMFermionD;
// Clover fermions
typedef WilsonCloverFermion<WilsonImplR> WilsonCloverFermionR;
typedef WilsonCloverFermion<WilsonImplF> WilsonCloverFermionF;
typedef WilsonCloverFermion<WilsonImplD> WilsonCloverFermionD;
typedef DomainWallFermion<WilsonImplR> DomainWallFermionR;
typedef DomainWallFermion<WilsonImplF> DomainWallFermionF;
typedef DomainWallFermion<WilsonImplD> DomainWallFermionD;

132
lib/qcd/action/fermion/WilsonCloverFermion.cc
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@@ -1,12 +1,13 @@
/*************************************************************************************
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/qcd/action/fermion/WilsonTMFermion.cc
Source file: ./lib/qcd/action/fermion/WilsonCloverFermion.cc
Copyright (C) 2015
Copyright (C) 2017
Author: paboyle <paboyle@ph.ed.ac.uk>
Author: paboyle <paboyle@ph.ed.ac.uk>
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
@@ -24,75 +25,82 @@ Author: paboyle <paboyle@ph.ed.ac.uk>
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
/* END LEGAL */
#include <Grid/Grid.h>
#include <Grid/qcd/spin/Dirac.h>
namespace Grid {
namespace QCD {
/*
* BF sequence
*
void bfmbase<Float>::MooeeInv(Fermion_t psi,
Fermion_t chi,
int dag, int cb)
template <class Impl>
void WilsonCloverFermion<Impl>::AddCloverTerm(const FermionField& in,
FermionField& out){
FermionField tmp(out._grid);
tmp = zero;
// the product sigma_munu Fmunu is hermitian
tmp += Bx*(Gamma(Gamma::Algebra::SigmaYZ)*in);
tmp += By*(Gamma(Gamma::Algebra::MinusSigmaXZ)*in);
tmp += Bz*(Gamma(Gamma::Algebra::SigmaXY)*in);
tmp += Ex*(Gamma(Gamma::Algebra::MinusSigmaXT)*in);
tmp += Ey*(Gamma(Gamma::Algebra::MinusSigmaYT)*in);
tmp += Ez*(Gamma(Gamma::Algebra::MinusSigmaZT)*in);
out += tmp*csw; // check signs
double m = this->mass;
double tm = this->twistedmass;
double mtil = 4.0+this->mass;
}
double sq = mtil*mtil + tm*tm;
double a = mtil/sq;
double b = -tm /sq;
if(dag) b=-b;
axpibg5x(chi,psi,a,b);
void bfmbase<Float>::Mooee(Fermion_t psi,
Fermion_t chi,
int dag,int cb)
double a = 4.0+this->mass;
double b = this->twistedmass;
if(dag) b=-b;
axpibg5x(chi,psi,a,b);
*/
template<class Impl>
void WilsonTMFermion<Impl>::Mooee(const FermionField &in, FermionField &out) {
RealD a = 4.0+this->mass;
RealD b = this->mu;
template <class Impl>
RealD WilsonCloverFermion<Impl>::M(const FermionField& in, FermionField& out) {
// Wilson term
out.checkerboard = in.checkerboard;
axpibg5x(out,in,a,b);
}
template<class Impl>
void WilsonTMFermion<Impl>::MooeeDag(const FermionField &in, FermionField &out) {
RealD a = 4.0+this->mass;
RealD b = -this->mu;
out.checkerboard = in.checkerboard;
axpibg5x(out,in,a,b);
}
template<class Impl>
void WilsonTMFermion<Impl>::MooeeInv(const FermionField &in, FermionField &out) {
RealD m = this->mass;
RealD tm = this->mu;
RealD mtil = 4.0+this->mass;
RealD sq = mtil*mtil+tm*tm;
RealD a = mtil/sq;
RealD b = -tm /sq;
axpibg5x(out,in,a,b);
}
template<class Impl>
void WilsonTMFermion<Impl>::MooeeInvDag(const FermionField &in, FermionField &out) {
RealD m = this->mass;
RealD tm = this->mu;
RealD mtil = 4.0+this->mass;
RealD sq = mtil*mtil+tm*tm;
RealD a = mtil/sq;
RealD b = tm /sq;
axpibg5x(out,in,a,b);
this->Dhop(in, out, DaggerNo);
// Clover term
// apply the sigma and Fmunu
AddCloverTerm(in, out);
// overall factor
return axpy_norm(out, 4 + this->mass, in, out);
}
FermOpTemplateInstantiate(WilsonTMFermion);
template <class Impl>
RealD WilsonCloverFermion<Impl>::Mdag(const FermionField& in, FermionField& out) {
// Wilson term
out.checkerboard = in.checkerboard;
this->Dhop(in, out, DaggerYes);
// Clover term
// apply the sigma and Fmunu
AddCloverTerm(in, out);
return axpy_norm(out, 4 + this->mass, in, out);
}
template <class Impl>
void WilsonCloverFermion<Impl>::ImportGauge(const GaugeField& _Umu) {
this->ImportGauge(_Umu);
// Compute the field strength terms
// Invert the Moo, Mee terms (?)
}
template<class Impl>
void WilsonCloverFermion<Impl>::Mooee(const FermionField &in, FermionField &out) {
out.checkerboard = in.checkerboard;
}
template<class Impl>
void WilsonCloverFermion<Impl>::MooeeDag(const FermionField &in, FermionField &out) {
assert(0); // not implemented yet
}
template<class Impl>
void WilsonCloverFermion<Impl>::MooeeInv(const FermionField &in, FermionField &out) {
assert(0); // not implemented yet
}
template<class Impl>
void WilsonCloverFermion<Impl>::MooeeInvDag(const FermionField &in, FermionField &out) {
assert(0); // not implemented yet
}
FermOpTemplateInstantiate(WilsonCloverFermion);
}
}

28
lib/qcd/action/fermion/WilsonCloverFermion.h
View File

@@ -2,12 +2,12 @@
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/qcd/action/fermion/WilsonTMFermion.h
Source file: ./lib/qcd/action/fermion/WilsonCloverFermion.h
Copyright (C) 2017
Author: paboyle <paboyle@ph.ed.ac.uk>
Author: Guido Cossu <guido.cossu@ed.ac.uk>
Author: paboyle <paboyle@ph.ed.ac.uk>
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
@@ -40,6 +40,8 @@ public:
INHERIT_IMPL_TYPES(Impl);
public:
typedef WilsonFermion<Impl> WilsonBase;
virtual void Instantiatable(void){};
// Constructors
WilsonCloverFermion(GaugeField &_Umu, GridCartesian &Fgrid,
@@ -49,9 +51,17 @@ public:
const ImplParams &p = ImplParams()) : WilsonFermion<Impl>(_Umu,
Fgrid,
Hgrid,
_mass, p)
_mass, p),
Bx(_Umu._grid),
By(_Umu._grid),
Bz(_Umu._grid),
Ex(_Umu._grid),
Ey(_Umu._grid),
Ez(_Umu._grid)
{
csw = _csw;
assert(Nd == 4); // require 4 dimensions
}
virtual RealD M(const FermionField& in, FermionField& out);
@@ -62,8 +72,18 @@ public:
virtual void MooeeInv(const FermionField &in, FermionField &out);
virtual void MooeeInvDag(const FermionField &in, FermionField &out);
void ImportGauge(const GaugeField &_Umu);
private:
// here fixing the 4 dimensions, make it more general?
// Field strengths
GaugeLinkField Bx, By, Bz, Ex, Ey, Ez;
RealD csw; // Clover coefficient
// Methods
void AddCloverTerm(const FermionField& in, FermionField& out);
};
}
}