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Merge branch 'sp2n/unify_twoindex' of github.com:LupoA/Grid into sp2n/unify_twoindex

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Julian Lenz
2023-05-18 15:36:14 +01:00
parent e41821e206 5a75ab15a2
commit 7b83c80757
4 changed files with 132 additions and 25 deletions
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2
Grid/qcd/representations/sp_two_index.h
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@ -27,7 +27,7 @@ public:
// types for the higher representation fields
typedef typename Sp_TwoIndex<ncolour, S>::LatticeTwoIndexMatrix LatticeMatrix;
typedef typename Sp_TwoIndex<ncolour, S>::LatticeTwoIndexField LatticeField;
static const int Dimension = (ncolour * (ncolour + S) / 2) - 1;
static const int Dimension = (ncolour * (ncolour + S) / 2) + S;
static const bool isFundamental = false;
//static const int nsp = Nc / 2;
LatticeField U;

10
Grid/qcd/utils/GaugeGroupTwoIndex.h
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@ -85,7 +85,7 @@ class GaugeGroupTwoIndex : public GaugeGroup<ncolour, group_name> {
template <class cplx>
static void base(int Index, iGroupMatrix<cplx> &eij) {
// returns (e)^(ij)_{kl} necessary for change of base U_F -> U_R
assert(Index < NumGenerators);
assert(Index < Dimension);
eij = Zero();
// for the linearisation of the 2 indexes
@ -96,9 +96,10 @@ class GaugeGroupTwoIndex : public GaugeGroup<ncolour, group_name> {
for (int i = 1; i < ncolour; i++) {
for (int j = 0; j < i; j++) {
a[counter][0] = i;
j = i == ngroup ? j + 1
: j; // this will only ever trigger for Sp because
// ngroup == ncolour is out of range for SU
if (j==0 && ngroup == ncolour/2 && i==ngroup+j) {
//std::cout << "skipping" << std::endl; // for Sp2n this vanishes identically.
j = j+1;
}
a[counter][1] = j;
counter++;
}
@ -328,6 +329,7 @@ typedef SU_TwoIndex<3, Symmetric> SU3TwoIndexSymm;
typedef SU_TwoIndex<4, Symmetric> SU4TwoIndexSymm;
typedef SU_TwoIndex<5, Symmetric> SU5TwoIndexSymm;
typedef SU_TwoIndex<2, AntiSymmetric> SU2TwoIndexAntiSymm;
typedef SU_TwoIndex<3, AntiSymmetric> SU3TwoIndexAntiSymm;
typedef SU_TwoIndex<4, AntiSymmetric> SU4TwoIndexAntiSymm;
typedef SU_TwoIndex<5, AntiSymmetric> SU5TwoIndexAntiSymm;