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Namespace

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paboyle 2018-01-14 21:57:46 +00:00
parent d58b7cf9b9
commit 66f8a2f082
1 changed files with 13 additions and 14 deletions
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27
lib/qcd/utils/SUnAdjoint.h
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@ -22,17 +22,16 @@
//
////////////////////////////////////////////////////////////////////////
namespace Grid {
namespace QCD {
NAMESPACE_BEGIN(Grid);
template <int ncolour>
class SU_Adjoint : public SU<ncolour> {
public:
public:
static const int Dimension = ncolour * ncolour - 1;
template <typename vtype>
using iSUnAdjointMatrix =
iScalar<iScalar<iMatrix<vtype, Dimension > > >;
iScalar<iScalar<iMatrix<vtype, Dimension > > >;
// Actually the adjoint matrices are real...
// Consider this overhead... FIXME
@ -49,11 +48,11 @@ class SU_Adjoint : public SU<ncolour> {
typedef Lattice<vAMatrixD> LatticeAdjMatrixD;
typedef Lattice<iVector<iScalar<iMatrix<vComplex, Dimension> >, Nd> >
LatticeAdjField;
LatticeAdjField;
typedef Lattice<iVector<iScalar<iMatrix<vComplexF, Dimension> >, Nd> >
LatticeAdjFieldF;
LatticeAdjFieldF;
typedef Lattice<iVector<iScalar<iMatrix<vComplexD, Dimension> >, Nd> >
LatticeAdjFieldD;
LatticeAdjFieldD;
@ -73,7 +72,7 @@ class SU_Adjoint : public SU<ncolour> {
tmp = ta[a] * ta[Index] - ta[Index] * ta[a];
for (int b = 0; b < (ncolour * ncolour - 1); b++) {
typename SU<ncolour>::template iSUnMatrix<cplx> tmp1 =
2.0 * tmp * ta[b]; // 2.0 from the normalization
2.0 * tmp * ta[b]; // 2.0 from the normalization
Complex iTr = TensorRemove(timesI(trace(tmp1)));
//iAdjTa()()(b, a) = iTr;
iAdjTa()()(a, b) = iTr;
@ -112,8 +111,8 @@ class SU_Adjoint : public SU<ncolour> {
}
static void AdjointLieAlgebraMatrix(
const typename SU<ncolour>::LatticeAlgebraVector &h,
LatticeAdjMatrix &out, Real scale = 1.0) {
const typename SU<ncolour>::LatticeAlgebraVector &h,
LatticeAdjMatrix &out, Real scale = 1.0) {
conformable(h, out);
GridBase *grid = out._grid;
LatticeAdjMatrix la(grid);
@ -150,11 +149,11 @@ class SU_Adjoint : public SU<ncolour> {
static bool precalculated = false;
if (!precalculated){
precalculated = true;
for (int a = 0; a < Dimension; a++) generator(a, iTa[a]);
for (int a = 0; a < Dimension; a++) generator(a, iTa[a]);
}
Real coefficient = -1.0 / (ncolour) * scale; // 1/Nc for the normalization of
// the trace in the adj rep
// the trace in the adj rep
for (int a = 0; a < Dimension; a++) {
auto tmp = real(trace(iTa[a] * in)) * coefficient;
@ -176,7 +175,7 @@ typedef SU_Adjoint<4> SU4Adjoint;
typedef SU_Adjoint<5> SU5Adjoint;
typedef SU_Adjoint<Nc> AdjointMatrices;
}
}
NAMESPACE_END(Grid);
#endif