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This commit is contained in:
Michael Marshall 2019-07-19 10:33:03 +01:00
parent 56cefadf9b
commit 6d4fb35d84
1 changed files with 33 additions and 14 deletions
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47
Hadrons/Modules/MContraction/Baryon.hpp
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@ -79,6 +79,8 @@ protected:
virtual void setup(void);
// execution
virtual void execute(void);
// Which gamma algebra was specified
Gamma::Algebra al;
};
MODULE_REGISTER_TMP(Baryon, ARG(TBaryon<FIMPL, FIMPL, FIMPL>), MContraction);
@ -115,6 +117,35 @@ void TBaryon<FImpl1, FImpl2, FImpl3>::setup(void)
{
envTmpLat(LatticeComplex, "c");
envTmpLat(LatticeComplex, "diquark");
// Translate the full string naming the desired gamma structure into the one we need to use
const std::string gamma{ par().gamma };
int iGamma = 0;
while( gamma.compare( Gamma::name[iGamma] ) )
assert( ++iGamma < Gamma::nGamma && "Invalid gamma structure specified" );
switch( iGamma ) {
case Gamma::Algebra::GammaX:
std::cout << "using interpolator C gamma_X";
al = Gamma::Algebra::GammaZGamma5; //Still hardcoded CgX = i gamma_3 gamma_5
break;
case Gamma::Algebra::GammaY:
std::cout << "using interpolator C gamma_Y";
al = Gamma::Algebra::GammaT; //Still hardcoded CgX = - gamma_4
break;
case Gamma::Algebra::GammaZ:
std::cout << "using interpolator C gamma_Z";
al = Gamma::Algebra::GammaXGamma5; //Still hardcoded CgX = i gamma_1 gamma_5
break;
default:
{
LOG(Message) << "Unsupported gamma structure " << gamma << " = " << iGamma << std::endl;
assert( 0 && "Unsupported gamma structure" );
// or you could do something like
al = static_cast<Gamma::Algebra>( iGamma );
break;
}
}
LOG(Message) << "Gamma structure " << gamma << " = " << iGamma
<< " translated to " << Gamma::name[al] << std::endl;
}
// execution ///////////////////////////////////////////////////////////////////
@ -214,20 +245,8 @@ void TBaryon<FImpl1, FImpl2, FImpl3>::execute(void)
}
*/
Gamma GammaA(Gamma::Algebra::Identity);
Gamma GammaB(Gamma::Algebra::SigmaXZ); //Still hardcoded Cg5
if (gamma.compare("X") ==0){
std::cout << "using interpolator C gamma_X";
Gamma GammaB(Gamma::Algebra::GammaZGamma5); //Still hardcoded CgX = i gamma_3 gamma_5
}
if (gamma.compare("Y") ==0){
std::cout << "using interpolator C gamma_Y";
Gamma GammaB(Gamma::Algebra::GammaT); //Still hardcoded CgX = - gamma_4
}
if (gamma.compare("Z")==0){
std::cout << "using interpolator C gamma_Z";
Gamma GammaB(Gamma::Algebra::GammaXGamma5); //Still hardcoded CgX = i gamma_1 gamma_5
}
const Gamma GammaA{ Gamma::Algebra::Identity };
const Gamma GammaB{ al };
BaryonUtils<FIMPL>::ContractBaryons(q1,q2,q3,GammaA,GammaB,c);