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SeqConservedCurrent implemented for Wilson fermions

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This commit is contained in:
Fabian Joswig 2022-04-05 11:48:56 +01:00
parent c8a824425b
commit d7191e5a02
1 changed files with 37 additions and 1 deletions
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38
Grid/qcd/action/fermion/implementation/WilsonFermionImplementation.h
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@ -659,9 +659,45 @@ void WilsonFermion<Impl>::SeqConservedCurrent(PropagatorField &q_in,
exit(1);
}
int tshift = (mu == Nd-1) ? 1 : 0;
unsigned int LLt = GridDefaultLatt()[Tp];
conformable(_grid, q_in.Grid());
conformable(_grid, q_out.Grid());
assert(0);
auto UGrid= this->GaugeGrid();
PropagatorField tmp(UGrid);
PropagatorField Utmp(UGrid);
PropagatorField L(UGrid);
PropagatorField zz (UGrid);
zz=Zero();
LatticeInteger lcoor(UGrid); LatticeCoordinate(lcoor,Nd-1);
Gamma::Algebra Gmu [] = {
Gamma::Algebra::GammaX,
Gamma::Algebra::GammaY,
Gamma::Algebra::GammaZ,
Gamma::Algebra::GammaT,
};
Gamma gmu=Gamma(Gmu[mu]);
tmp = Cshift(q_in,mu,1);
Impl::multLinkField(Utmp,this->Umu,tmp,mu);
tmp = ( Utmp*lattice_cmplx - gmu*Utmp*lattice_cmplx ); // Forward hop
tmp = where((lcoor>=tmin),tmp,zz); // Mask the time
q_out = where((lcoor<=tmax),tmp,zz); // Position of current complicated
tmp = q_in *lattice_cmplx;
tmp = Cshift(tmp,mu,-1);
Impl::multLinkField(Utmp,this->Umu,tmp,mu+Nd); // Adjoint link
tmp = -( Utmp + gmu*Utmp );
// Mask the time
if (tmax == LLt - 1 && tshift == 1){ // quick fix to include timeslice 0 if tmax + tshift is over the last timeslice
unsigned int t0 = 0;
tmp = where(((lcoor==t0) || (lcoor>=tmin+tshift)),tmp,zz);
} else {
tmp = where((lcoor>=tmin+tshift),tmp,zz);
}
q_out+= where((lcoor<=tmax+tshift),tmp,zz); // Position of current complicated
}
NAMESPACE_END(Grid);