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twist and boundary conditions for free propagator

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This commit is contained in:
Vera Guelpers
2019-04-05 10:08:27 +01:00
parent 84940fbdf0
commit 00963a7499
4 changed files with 46 additions and 25 deletions
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19
Hadrons/Modules/MFermion/EMLepton.hpp
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@@ -72,6 +72,7 @@ public:
std::string, action,
std::string, emField,
double, mass,
std::string , boundary,
std::string, twist,
unsigned int, deltat);
};
@@ -163,8 +164,7 @@ void TEMLepton<FImpl>::execute(void)
envGetTmp(FermionField, sol);
envGetTmp(FermionField, tmp);
LOG(Message) << "Calculating a lepton Propagator with sequential Aslash insertion with lepton mass "
<< mass << " and twist ("
<< par().twist << ") using the action '" << par().action
<< mass << " using the action '" << par().action
<< "' for fixed source-sink separation of " << par().deltat << std::endl;
envGetTmp(Lattice<iScalar<vInteger>>, tlat);
@@ -176,6 +176,11 @@ void TEMLepton<FImpl>::execute(void)
{
HADRONS_ERROR(Size, "number of twist angles does not match number of dimensions");
}
std::vector<Complex> boundary = strToVec<Complex>(par().boundary);
if(boundary.size() != Nd)
{
HADRONS_ERROR(Size, "number of boundary conditions does not match number of dimensions");
}
auto &stoch_photon = envGet(EmField, par().emField);
unsigned int nt = env().getDim(Tp);
@@ -212,7 +217,7 @@ void TEMLepton<FImpl>::execute(void)
mat.ImportPhysicalFermionSource(tmp, source);
}
sol = zero;
mat.FreePropagator(source,sol,mass,twist);
mat.FreePropagator(source,sol,mass,boundary,twist);
if (Ls_ == 1)
{
FermToProp<FImpl>(freetmp, sol, s, 0);
@@ -229,11 +234,7 @@ void TEMLepton<FImpl>::execute(void)
//shift free propagator to different source positions
proptmp = Cshift(freetmp,Tp, -tl);
//take anti-periodic boundary conditions into account, if used
if(twist[Tp]==0.5)
{
proptmp = where( tlat < tl, (-1.0)*proptmp, proptmp);
}
proptmp = where( tlat < tl, boundary[Tp]*proptmp, proptmp);
// free propagator for fixed source-sink separation
lep = where(tlat == (tl-par().deltat+nt)%nt, proptmp, lep);
@@ -264,7 +265,7 @@ void TEMLepton<FImpl>::execute(void)
mat.ImportPhysicalFermionSource(tmp, source);
}
sol = zero;
mat.FreePropagator(source,sol,mass,twist);
mat.FreePropagator(source,sol,mass,boundary,twist);
if (Ls_ == 1)
{
FermToProp<FImpl>(proptmp, sol, s, 0);

8
Hadrons/Modules/MFermion/FreeProp.hpp
View File

@@ -49,6 +49,7 @@ public:
std::string, source,
std::string, action,
double, mass,
std::string , boundary,
std::string, twist);
};
@@ -172,7 +173,12 @@ void TFreeProp<FImpl>::execute(void)
{
HADRONS_ERROR(Size, "number of twist angles does not match number of dimensions");
}
mat.FreePropagator(source,sol,mass,twist);
std::vector<Complex> boundary = strToVec<Complex>(par().boundary);
if(boundary.size() != Nd)
{
HADRONS_ERROR(Size, "number of boundary conditions does not match number of dimensions");
}
mat.FreePropagator(source,sol,mass,boundary,twist);
FermToProp<FImpl>(prop, sol, s, c);
// create 4D propagators from 5D one if necessary
if (Ls_ > 1)