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Debugged smearing and adding HMC functions for hirep

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Guido Cossu
2016-07-13 17:51:18 +01:00
parent a9ae30f868
commit 9dc345e8e8
12 changed files with 150 additions and 38 deletions
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22
lib/qcd/representations/adjoint.h
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@ -19,11 +19,16 @@ namespace QCD {
template <int ncolour>
class AdjointRep {
public:
typename SU_Adjoint<ncolour>::LatticeAdjMatrix U;
// typdef to be used by the Representations class in HMC to get the
// types for the higher representation fields
typedef typename SU_Adjoint<ncolour>::LatticeAdjMatrix LatticeField;
const int Dimension = ncolour * ncolour - 1;
explicit AdjointRep(GridBase* grid):U(grid) {}
void update_representation(const LatticeGaugeField& Uin) {
LatticeField U;
explicit AdjointRep(GridBase* grid) : U(grid) {}
LatticeField update_representation(const LatticeGaugeField& Uin) {
// Uin is in the fundamental representation
// get the U in AdjointRep
// (U_adj)_B = tr[e^a U e^b U^dag]
@ -34,19 +39,20 @@ class AdjointRep {
U = zero;
LatticeGaugeField tmp(Uin._grid);
Vector<typename SU<ncolour>::Matrix > ta(ncolour * ncolour - 1);
Vector<typename SU<ncolour>::Matrix> ta(ncolour * ncolour - 1);
// FIXME probably not very efficient to get all the generators everytime
// FIXME probably not very efficient to get all the generators
// everytime
for (int a = 0; a < Dimension; a++) SU<ncolour>::generator(a, ta[a]);
for (int a = 0; a < Dimension; a++) {
tmp = 2.0 * adj(Uin) * ta[a] * Uin;
tmp = 2.0 * adj(Uin) * ta[a] * Uin;
for (int b = 0; b < (ncolour * ncolour - 1); b++) {
auto Tr = TensorRemove(trace(tmp * ta[b]));
pokeColour(U, Tr, a,b);
pokeColour(U, Tr, a, b);
}
}
}
};