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added parity

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This commit is contained in:
Felix Erben 2019-02-28 11:05:31 +00:00
parent 18b603c5ae
commit 6d9f377913
1 changed files with 11 additions and 7 deletions
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18
Grid/qcd/utils/A2Autils.h
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@ -102,13 +102,16 @@ public:
};
/*
template<class FImpl>
void A2Autils<FImpl>::NucleonFieldMom(Eigen::Tensor<ComplexD,5> &mat,
void A2Autils<FImpl>::NucleonFieldMom(Eigen::Tensor<ComplexD,6> &mat,
const FermionField *one,
const FermionField *two,
const FermionField *three,
const std::vector<ComplexField > &mom,
int parity,
int orthogdim)
{
assert(parity == 1 || parity == -1);
typedef typename FImpl::SiteSpinor vobj;
typedef typename vobj::scalar_object sobj;
@ -166,6 +169,7 @@ void A2Autils<FImpl>::NucleonFieldMom(Eigen::Tensor<ComplexD,5> &mat,
for(int i=0;i<oneBlock;i++){
auto v1 = one[i]._odata[ss];
auto pv1 = 0.5*(double)parity*(v1 + Gamma(Gamma::Algebra::GammaT)*v1);
for(int j=0;j<twoBlock;j++){
@ -178,12 +182,12 @@ void A2Autils<FImpl>::NucleonFieldMom(Eigen::Tensor<ComplexD,5> &mat,
auto gv3 = Gamma(Gamma::Algebra::SigmaXZ) * v3;
SpinVector_v vv;
vv()()() = v1()()(0) * v2()()(1) * gv3()()(2) //Cross product
- v1()()(0) * v2()()(2) * gv3()()(1)
+ v1()()(1) * v2()()(2) * gv3()()(0)
- v1()()(1) * v2()()(0) * gv3()()(2)
+ v1()()(2) * v2()()(0) * gv3()()(1)
- v1()()(2) * v2()()(1) * gv3()()(0);
vv()()() = pv1()()(0) * v2()()(1) * gv3()()(2) //Cross product
- pv1()()(0) * v2()()(2) * gv3()()(1)
+ pv1()()(1) * v2()()(2) * gv3()()(0)
- pv1()()(1) * v2()()(0) * gv3()()(2)
+ pv1()()(2) * v2()()(0) * gv3()()(1)
- pv1()()(2) * v2()()(1) * gv3()()(0);
// After getting the sitewise product do the mom phase loop