portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2024-11-10 07:55:35 +00:00
Code Releases Activity

Merge branch 'develop' of https://github.com/paboyle/Grid into develop

Browse Source
This commit is contained in:
Peter Boyle 2020-05-08 09:21:43 -04:00
commit 0dd1bdfa94
1 changed files with 57 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

80
Grid/qcd/utils/BaryonUtils.h
View File

@ -159,6 +159,7 @@ const Complex BaryonUtils<FImpl>::epsilon_sgn[6] = {Complex(1),
Complex(-1),
Complex(-1)};
//This is the old version
template <class FImpl>
template <class mobj, class robj>
void BaryonUtils<FImpl>::baryon_site(const mobj &D1,
@ -180,6 +181,10 @@ void BaryonUtils<FImpl>::baryon_site(const mobj &D1,
auto pD1 = 0.5* (gD1a + (double)parity * gD1b);
auto gD3 = GammaB_right * D3;
auto D2g = D2 * GammaB_left;
auto pD1g = pD1 * GammaB_left;
auto gD3g = gD3 * GammaB_left;
for (int ie_left=0; ie_left < 6 ; ie_left++){
int a_left = epsilon[ie_left][0]; //a
int b_left = epsilon[ie_left][1]; //b
@ -188,58 +193,71 @@ void BaryonUtils<FImpl>::baryon_site(const mobj &D1,
int a_right = epsilon[ie_right][0]; //a'
int b_right = epsilon[ie_right][1]; //b'
int c_right = epsilon[ie_right][2]; //c'
Complex ee = epsilon_sgn[ie_left] * epsilon_sgn[ie_right];
//This is the \delta_{456}^{123} part
if (wick_contraction[0]){
auto D2g = D2 * GammaB_left;
for (int gamma_left=0; gamma_left<Ns; gamma_left++){
auto eepD1 = ee * pD1()(gamma_left,gamma_left)(c_right,c_left);
for (int alpha_right=0; alpha_right<Ns; alpha_right++){
for (int beta_left=0; beta_left<Ns; beta_left++){
for (int gamma_left=0; gamma_left<Ns; gamma_left++){
result()()() += epsilon_sgn[ie_left] * epsilon_sgn[ie_right] * pD1()(gamma_left,gamma_left)(c_right,c_left)*D2g()(alpha_right,beta_left)(a_right,a_left)*gD3()(alpha_right,beta_left)(b_right,b_left);
auto D2g_ab = D2g()(alpha_right,beta_left)(a_right,a_left);
auto gD3_ab = gD3()(alpha_right,beta_left)(b_right,b_left);
result()()() += eepD1*D2g_ab*gD3_ab;
}}}
}
//This is the \delta_{456}^{231} part
if (wick_contraction[1]){
auto pD1g = pD1 * GammaB_left;
for (int alpha_right=0; alpha_right<Ns; alpha_right++){
for (int beta_left=0; beta_left<Ns; beta_left++){
for (int gamma_left=0; gamma_left<Ns; gamma_left++){
result()()() += epsilon_sgn[ie_left] * epsilon_sgn[ie_right] * pD1g()(gamma_left,beta_left)(c_right,a_left)*D2()(alpha_right,beta_left)(a_right,b_left)*gD3()(alpha_right,gamma_left)(b_right,c_left);
for (int alpha_right=0; alpha_right<Ns; alpha_right++){
auto gD3_ag = gD3()(alpha_right,gamma_left)(b_right,c_left);
for (int beta_left=0; beta_left<Ns; beta_left++){
auto eepD1g_gb = ee * pD1g()(gamma_left,beta_left)(c_right,a_left);
auto D2_ab = D2()(alpha_right,beta_left)(a_right,b_left);
result()()() += eepD1g_gb*D2_ab*gD3_ag;
}}}
}
//This is the \delta_{456}^{312} part
if (wick_contraction[2]){
auto gD3g = gD3 * GammaB_left;
for (int alpha_right=0; alpha_right<Ns; alpha_right++){
for (int beta_left=0; beta_left<Ns; beta_left++){
for (int gamma_left=0; gamma_left<Ns; gamma_left++){
result()()() += epsilon_sgn[ie_left] * epsilon_sgn[ie_right] * pD1()(gamma_left,beta_left)(c_right,b_left)*D2()(alpha_right,gamma_left)(a_right,c_left)*gD3g()(alpha_right,beta_left)(b_right,a_left);
for (int alpha_right=0; alpha_right<Ns; alpha_right++){
auto D2_ag = D2()(alpha_right,gamma_left)(a_right,c_left);
for (int beta_left=0; beta_left<Ns; beta_left++){
auto eepD1_gb = ee * pD1()(gamma_left,beta_left)(c_right,b_left);
auto gD3g_ab = gD3g()(alpha_right,beta_left)(b_right,a_left);
result()()() += eepD1_gb*D2_ag*gD3g_ab;
}}}
}
//This is the \delta_{456}^{132} part
if (wick_contraction[3]){
auto gD3g = gD3 * GammaB_left;
for (int gamma_left=0; gamma_left<Ns; gamma_left++){
auto eepD1 = ee * pD1()(gamma_left,gamma_left)(c_right,c_left);
for (int alpha_right=0; alpha_right<Ns; alpha_right++){
for (int beta_left=0; beta_left<Ns; beta_left++){
for (int gamma_left=0; gamma_left<Ns; gamma_left++){
result()()() -= epsilon_sgn[ie_left] * epsilon_sgn[ie_right] * pD1()(gamma_left,gamma_left)(c_right,c_left)*D2()(alpha_right,beta_left)(a_right,b_left)*gD3g()(alpha_right,beta_left)(b_right,a_left);
auto D2_ab = D2()(alpha_right,beta_left)(a_right,b_left);
auto gD3g_ab = gD3g()(alpha_right,beta_left)(b_right,a_left);
result()()() -= eepD1*D2_ab*gD3g_ab;
}}}
}
//This is the \delta_{456}^{321} part
if (wick_contraction[4]){
auto D2g = D2 * GammaB_left;
for (int alpha_right=0; alpha_right<Ns; alpha_right++){
for (int beta_left=0; beta_left<Ns; beta_left++){
for (int gamma_left=0; gamma_left<Ns; gamma_left++){
result()()() -= epsilon_sgn[ie_left] * epsilon_sgn[ie_right] * pD1()(gamma_left,beta_left)(c_right,b_left)*D2g()(alpha_right,beta_left)(a_right,a_left)*gD3()(alpha_right,gamma_left)(b_right,c_left);
for (int alpha_right=0; alpha_right<Ns; alpha_right++){
auto gD3_ag = gD3()(alpha_right,gamma_left)(b_right,c_left);
for (int beta_left=0; beta_left<Ns; beta_left++){
auto eepD1_gb = ee * pD1()(gamma_left,beta_left)(c_right,b_left);
auto D2g_ab = D2g()(alpha_right,beta_left)(a_right,a_left);
result()()() -= eepD1_gb*D2g_ab*gD3_ag;
}}}
}
//This is the \delta_{456}^{213} part
if (wick_contraction[5]){
auto pD1g = pD1 * GammaB_left;
for (int alpha_right=0; alpha_right<Ns; alpha_right++){
for (int beta_left=0; beta_left<Ns; beta_left++){
for (int gamma_left=0; gamma_left<Ns; gamma_left++){
result()()() -= epsilon_sgn[ie_left] * epsilon_sgn[ie_right] * pD1g()(gamma_left,beta_left)(c_right,a_left)*D2()(alpha_right,gamma_left)(a_right,c_left)*gD3()(alpha_right,beta_left)(b_right,b_left);
for (int alpha_right=0; alpha_right<Ns; alpha_right++){
auto D2_ag = D2()(alpha_right,gamma_left)(a_right,c_left);
for (int beta_left=0; beta_left<Ns; beta_left++){
auto eepD1g_gb = ee * pD1g()(gamma_left,beta_left)(c_right,a_left);
auto gD3_ab = gD3()(alpha_right,beta_left)(b_right,b_left);
result()()() -= eepD1g_gb*D2_ag*gD3_ab;
}}}
}
}
@ -259,6 +277,10 @@ void BaryonUtils<FImpl>::ContractBaryons(const PropagatorField &q1_left,
const int parity,
ComplexField &baryon_corr)
{
assert(Ns==4 && "Baryon code only implemented for N_spin = 4");
assert(Nc==3 && "Baryon code only implemented for N_colour = 3");
std::cout << "Contraction <" << quarks_right[0] << quarks_right[1] << quarks_right[2] << "|" << quarks_left[0] << quarks_left[1] << quarks_left[2] << ">" << std::endl;
std::cout << "GammaA (left) " << (GammaA_left.g) << std::endl;
std::cout << "GammaB (left) " << (GammaB_left.g) << std::endl;
@ -305,6 +327,10 @@ void BaryonUtils<FImpl>::ContractBaryons_Sliced(const mobj &D1,
const int parity,
robj &result)
{
assert(Ns==4 && "Baryon code only implemented for N_spin = 4");
assert(Nc==3 && "Baryon code only implemented for N_colour = 3");
std::cout << "Contraction <" << quarks_right[0] << quarks_right[1] << quarks_right[2] << "|" << quarks_left[0] << quarks_left[1] << quarks_left[2] << ">" << std::endl;
std::cout << "GammaA (left) " << (GammaA_left.g) << std::endl;
std::cout << "GammaB (left) " << (GammaB_left.g) << std::endl;
@ -318,7 +344,7 @@ void BaryonUtils<FImpl>::ContractBaryons_Sliced(const mobj &D1,
wick_contraction[ie] = (quarks_left[0] == quarks_right[epsilon[ie][0]] && quarks_left[1] == quarks_right[epsilon[ie][1]] && quarks_left[2] == quarks_right[epsilon[ie][2]]) ? 1 : 0;
result=Zero();
baryon_site(D1,D2,D3,GammaA_left,GammaB_left,GammaA_right,GammaB_right,parity,wick_contraction,result);
baryon_site<decltype(D1),decltype(result)>(D1,D2,D3,GammaA_left,GammaB_left,GammaA_right,GammaB_right,parity,wick_contraction,result);
}
/***********************************************************************
@ -558,6 +584,10 @@ void BaryonUtils<FImpl>::Sigma_to_Nucleon_Eye(const PropagatorField &qq_loop,
const std::string op,
SpinMatrixField &stn_corr)
{
assert(Ns==4 && "Baryon code only implemented for N_spin = 4");
assert(Nc==3 && "Baryon code only implemented for N_colour = 3");
GridBase *grid = qs_ti.Grid();
auto vcorr= stn_corr.View();
@ -595,6 +625,10 @@ void BaryonUtils<FImpl>::Sigma_to_Nucleon_NonEye(const PropagatorField &qq_ti,
const std::string op,
SpinMatrixField &stn_corr)
{
assert(Ns==4 && "Baryon code only implemented for N_spin = 4");
assert(Nc==3 && "Baryon code only implemented for N_colour = 3");
GridBase *grid = qs_ti.Grid();
auto vcorr= stn_corr.View();