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Hadrons: scalar SU(N) NPR update

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This commit is contained in:
Antonin Portelli
2018-09-01 17:36:35 +01:00
parent 1b7fb79ec0
commit 2f0af79869
2 changed files with 28 additions and 14 deletions
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9
Hadrons/Modules/MScalarSUN/StochFreeField.hpp
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@@ -44,7 +44,8 @@ class StochFreeFieldPar: Serializable
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(StochFreeFieldPar,
double, m2,
double, g);
double, g,
double, smearing);
};
template <typename SImpl>
@@ -111,6 +112,7 @@ void TStochFreeField<SImpl>::setup(void)
if (!env().hasCreatedObject("_" + getName() + "_weight"))
{
envCacheLat(ComplexField, "_" + getName() + "_weight");
envTmpLat(ComplexField, "smear");
create_weight = true;
}
envTmpLat(Field, "phift");
@@ -142,8 +144,11 @@ void TStochFreeField<SImpl>::execute(void)
{
LOG(Message) << "Caching momentum-space scalar action" << std::endl;
envGetTmp(ComplexField, smear);
SImpl::MomentaSquare(smear);
smear = exp(-par().smearing*smear);
SImpl::MomentumSpacePropagator(w, sqrt(par().m2));
w *= par().g/N;
w *= par().g/N*smear;
w = sqrt(vol)*sqrt(w);
}
LOG(Message) << "Generating random momentum-space field" << std::endl;

29
Hadrons/Modules/MScalarSUN/TwoPointNPR.hpp
View File

@@ -135,11 +135,12 @@ void TTwoPointNPR<SImpl>::execute(void)
{
const unsigned int nd = env().getNd();
const unsigned int nl = env().getDim(0);
const double invV = 1./env().getVolume();
FFT fft(env().getGrid());
std::vector<TwoPointNPRResult> result;
TwoPointNPRResult twoPtp1, twoPtp2;
TwoPointNPRResult twoPtp1, twoPtp2, twoPtDisc;
auto &phi = envGet(Field, par().field);
bool doTwoPt = true;
bool doAux = true;
envGetTmp(ComplexField, ftBuf);
envGetTmp(Field, ftMatBuf);
@@ -151,19 +152,23 @@ void TTwoPointNPR<SImpl>::execute(void)
std::vector<int> p1, p2, p;
Site phip1, phip2;
TComplex opp;
TwoPointNPRResult r;
TwoPointNPRResult r, rDisc;
LOG(Message) << "FFT: operator '" << opName << "'" << std::endl;
fft.FFT_all_dim(ftBuf, op, FFT::forward);
LOG(Message) << "Generating vertex function" << std::endl;
r.op = opName;
r.data.resize(nl);
if (doTwoPt)
rDisc.op = opName + "_disc";
rDisc.data.resize(nl);
if (doAux)
{
twoPtp1.op = "phi_prop_p1";
twoPtp1.data.resize(nl);
twoPtp2.op = "phi_prop_p2";
twoPtp2.data.resize(nl);
twoPtDisc.op = "phi_prop_disc";
twoPtDisc.data.resize(nl);
}
for (unsigned int n = 0; n < nl; ++n)
{
@@ -184,20 +189,24 @@ void TTwoPointNPR<SImpl>::execute(void)
peekSite(phip1, ftMatBuf, p1);
peekSite(phip2, ftMatBuf, p2);
peekSite(opp, ftBuf, p);
if (doTwoPt)
if (doAux)
{
twoPtp1.data[n] = TensorRemove(trace(phip1*adj(phip1)));
twoPtp2.data[n] = TensorRemove(trace(phip2*adj(phip2)));
twoPtp1.data[n] = invV*TensorRemove(trace(phip1*adj(phip1)));
twoPtp2.data[n] = invV*TensorRemove(trace(phip2*adj(phip2)));
twoPtDisc.data[n] = invV*TensorRemove(trace(phip2*adj(phip1)));
}
r.data[n] = TensorRemove(trace(phip2*adj(phip1))*opp);
r.data[n] = invV*TensorRemove(trace(phip2*adj(phip1))*opp);
rDisc.data[n] = invV*TensorRemove(trace(phip1*adj(phip1))*opp);
}
if (doTwoPt)
if (doAux)
{
result.push_back(twoPtp1);
result.push_back(twoPtp2);
result.push_back(twoPtDisc);
}
result.push_back(r);
doTwoPt = false;
result.push_back(rDisc);
doAux = false;
}
saveResult(par().output, "twoptnpr", result);
}