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HMC for Adjoint fermions works

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Accepts and reproduces known results

Check initial instability of inverters
when starting from hot configurations
This commit is contained in:
Guido Cossu
2016-08-30 11:31:25 +01:00
parent 9c2e8d5e28
commit b512ccbee6
8 changed files with 45 additions and 57 deletions
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6
lib/qcd/hmc/integrators/Integrator.h
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@ -120,12 +120,11 @@ class Integrator {
FieldType forceR(U._grid);
// Implement smearing only for the fundamental representation now
repr_set.at(a)->deriv(Rep.U, forceR);
forceR -= adj(forceR);
GF force =
Rep.RtoFundamentalProject(forceR); // Ta for the fundamental rep
std::cout << GridLogIntegrator << "Hirep Force average: "
<< norm2(force) / (U._grid->gSites()) << std::endl;
Mom -= force * ep;
Mom -= force * ep ;
}
}
} update_P_hireps{};
@ -163,13 +162,14 @@ class Integrator {
<< " dt " << ep << " : t_U " << t_U << std::endl;
}
void update_U(GaugeField& Mom, GaugeField& U, double ep) {
// rewrite exponential to deal automatically with the lorentz index?
// rewrite exponential to deal internally with the lorentz index?
for (int mu = 0; mu < Nd; mu++) {
auto Umu = PeekIndex<LorentzIndex>(U, mu);
auto Pmu = PeekIndex<LorentzIndex>(Mom, mu);
Umu = expMat(Pmu, ep, Params.Nexp) * Umu;
PokeIndex<LorentzIndex>(U, ProjectOnGroup(Umu), mu);
}
// Update the smeared fields, can be implemented as observer
Smearer.set_GaugeField(U);
// Update the higher representations fields