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Merge branch 'feature/distil' of github.com:mmphys/Grid into feature/distil

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This commit is contained in:
Michael Marshall 2019-02-06 21:37:54 +00:00
commit b9fb16077c
1 changed files with 39 additions and 17 deletions
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56
Hadrons/Modules/MDistil/BContraction.hpp
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@ -129,10 +129,14 @@ void TBContraction<FImpl>::execute(void)
SpinColourVector * tmp22 = reinterpret_cast<SpinColourVector *>(&(tmp2[0]()(0)(0)));
SpinColourVector * tmp33 = reinterpret_cast<SpinColourVector *>(&(tmp3[0]()(0)(0)));
SpinVector tmp11s;
SpinVector tmp22s;
SpinVector tmp33s;
SpinColourVector * tmp333;
SpinColourVector * diquark;
SpinColourVector * tmp222;
SpinVector tmp333;
SpinMatrix diquark;
SpinMatrix g_diquark;
SpinVector tmp222;
SpinVector tmp111;
std::vector<std::vector<int>> epsilon = {{0,1,2},{1,2,0},{2,0,1},{0,2,1},{2,1,0},{1,0,2}};
std::vector<int> epsilon_sgn = {1,1,1,-1,-1,-1};
@ -149,30 +153,44 @@ void TBContraction<FImpl>::execute(void)
};
//std::vector<Complex> factor23 = {(0.,-1.),(0.,1.),(0.,1.)};
// SpinColourVector a;
// SpinVector b;
// b = peekColour(a,0);
//b= a()(0)();
//tmp33s = peekColour(a,0);
for (int i1=0 ; i1 < N_1 ; i1++){
for (int i2=0 ; i2 < N_2 ; i2++){
for (int i3=0 ; i3 < N_3 ; i3++){
for (int imom=0 ; imom < Nmom ; imom++){
Bindex = i1 + N_1*(i2 + N_2*(i3 + N_3*imom));
for (int t=0 ; t < Nt ; t++){
Bindex = i1 + N_1*(i2 + N_2*(i3 + N_3*(imom+Nmom*t)));
ExtractSliceLocal(tmp1,one[i1],0,t,3);
parallel_for (unsigned int sU = 0; sU < grid3d->oSites(); ++sU)
{
for (int ie=0 ; ie < 6 ; ie++){
//tmp33s = peekColour(tmp33[sU],epsilon[ie][2]);
//tmp333 = Gamma(gamma23_[0])*tmp33s;
//tmp333 = Gamma(gamma23_[0])*tmp33[sU]()()(epsilon[ie][2]);
/*diquark = tmp22[sU]()()(epsilon[ie][1])*factor23[0]*tmp333;
tmp222 = Gamma(gamma12_[0])*diquark;
BField[Bindex]+=(double)epsilon_sgn[ie]*(tmp11[sU]()()(epsilon[ie][0])*tmp222);
*/
// Why does peekColour not work????
for (int is=0 ; is < 4 ; is++){
tmp11s()(is)() = tmp11[sU]()(is)(epsilon[ie][0]);
tmp22s()(is)() = tmp22[sU]()(is)(epsilon[ie][1]);
tmp33s()(is)() = tmp33[sU]()(is)(epsilon[ie][2]);
}
tmp333 = Gamma(gamma23_[0])*tmp33s;
// this should be outerProduct??? Does not work.
for (int isl=0 ; isl < 4 ; isl++){
for (int isr=0 ; isr < 4 ; isr++){
diquark()(isl,isr)() = factor23[0]*tmp22s()(isl)(),tmp333()(isr)();
}
}
// Is there a way to compute gamma * SpinMatrix (left component)???
for (int isr=0 ; isr < 4 ; isr++){
for (int isl=0 ; isl < 4 ; isl++){
tmp222()(isl)() = diquark()(isl,isr)();
}
tmp111 = Gamma(gamma12_[0]) * tmp222;
for (int isl=0 ; isl < 4 ; isl++){
g_diquark()(isl,isr)() = tmp111()(isl)();
}
}
// Really only the trace? Should check baryons again! laph paper lists c_{alpha,beta,gamma}, gattringer-lang two gamma matrices.
for (int is=0 ; is < 4 ; is++){
BField[Bindex]+=(double)epsilon_sgn[ie]*tmp11s()(is)()*g_diquark()(is,is)();
}
}
}
}
}
@ -180,6 +198,10 @@ void TBContraction<FImpl>::execute(void)
}
}
for (int t=0 ; t < Nt ; t++){
Bindex = 0 + N_1*(0 + N_2*(0 + N_3*(0+Nmom*t)));
std::cout << "BaryonField(t=" << t << ") = " << BField[Bindex] << std::endl;
}
}
END_MODULE_NAMESPACE