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QedFVol: remove charge dependence in chargedProp function of ScalarVP

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This commit is contained in:
James Harrison 2017-04-25 10:04:03 +01:00
parent c8e6f58e24
commit bd466a55a8
1 changed files with 20 additions and 10 deletions
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30
extras/Hadrons/Modules/MScalar/ScalarVP.cc
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@ -23,8 +23,17 @@ std::vector<std::string> TScalarVP::getInput(void)
std::vector<std::string> TScalarVP::getOutput(void) std::vector<std::string> TScalarVP::getOutput(void)
{ {
std::vector<std::string> out = {getName()}; std::vector<std::string> out = {getName(), getName()+"_propQ",
getName()+"_propSun",
getName()+"_propTad"};
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
out.push_back(getName() + "_propQ_" + std::to_string(mu));
out.push_back(getName() + "_propSun_" + std::to_string(mu));
out.push_back(getName() + "_propTad_" + std::to_string(mu));
}
return out; return out;
} }
@ -112,6 +121,7 @@ void TScalarVP::execute(void)
ScalarField &source = *env().getObject<ScalarField>(par().source); ScalarField &source = *env().getObject<ScalarField>(par().source);
Complex ci(0.0,1.0); Complex ci(0.0,1.0);
FFT fft(env().getGrid()); FFT fft(env().getGrid());
double q = par().charge;
// cache momentum-space free scalar propagator // cache momentum-space free scalar propagator
if (!env().hasCreatedObject(freeMomPropName_)) if (!env().hasCreatedObject(freeMomPropName_))
@ -227,28 +237,28 @@ void TScalarVP::chargedProp(ScalarField &prop_q, ScalarField &prop_sun,
FFT &fft) FFT &fft)
{ {
Complex ci(0.0,1.0); Complex ci(0.0,1.0);
double q = par().charge; ScalarField &G = *freeMomProp_;
ScalarField &G = *freeMomProp_;
ScalarField buf(env().getGrid()); ScalarField buf(env().getGrid());
LOG(Message) << "Computing charged scalar propagator" LOG(Message) << "Computing charged scalar propagator"
<< " (mass= " << par().mass << " (mass= " << par().mass
<< ", charge= " << q << ")..." << std::endl; << ", charge= " << par().charge << ")..."
<< std::endl;
// -q*G*momD1*G*F*Src (momD1 = F*D1*Finv) // -G*momD1*G*F*Src (momD1 = F*D1*Finv)
buf = GFSrc; buf = GFSrc;
momD1(buf, fft); momD1(buf, fft);
buf = G*buf; buf = G*buf;
prop_q = -q*buf; prop_q = -buf;
// q*q*G*momD1*G*momD1*G*F*Src // G*momD1*G*momD1*G*F*Src
momD1(buf, fft); momD1(buf, fft);
prop_sun = q*q*G*buf; prop_sun = G*buf;
// -q*q*G*momD2*G*F*Src (momD2 = F*D2*Finv) // -G*momD2*G*F*Src (momD2 = F*D2*Finv)
buf = GFSrc; buf = GFSrc;
momD2(buf, fft); momD2(buf, fft);
prop_tad = -q*q*G*buf; prop_tad = -G*buf;
} }
void TScalarVP::momD1(ScalarField &s, FFT &fft) void TScalarVP::momD1(ScalarField &s, FFT &fft)