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Added Baryon3pt code
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0174f5f742
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@ -84,6 +84,55 @@ public:
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const char * quarks_right,
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const int parity,
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robj &result);
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private:
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template <class mobj, class mobj2, class robj>
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static void Baryon_Gamma_3pt_Group1_Site(
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const mobj &Dq1_ti,
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const mobj2 &Dq2_spec,
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const mobj2 &Dq3_spec,
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const mobj &Dq4_tf,
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const Gamma GammaJ,
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const Gamma GammaBi,
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const Gamma GammaBf,
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int wick_contraction,
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robj &result);
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template <class mobj, class mobj2, class robj>
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static void Baryon_Gamma_3pt_Group2_Site(
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const mobj2 &Dq1_spec,
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const mobj &Dq2_ti,
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const mobj2 &Dq3_spec,
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const mobj &Dq4_tf,
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const Gamma GammaJ,
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const Gamma GammaBi,
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const Gamma GammaBf,
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int wick_contraction,
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robj &result);
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template <class mobj, class mobj2, class robj>
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static void Baryon_Gamma_3pt_Group3_Site(
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const mobj2 &Dq1_spec,
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const mobj2 &Dq2_spec,
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const mobj &Dq3_ti,
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const mobj &Dq4_tf,
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const Gamma GammaJ,
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const Gamma GammaBi,
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const Gamma GammaBf,
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int wick_contraction,
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robj &result);
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public:
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template <class mobj>
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static void Baryon_Gamma_3pt(
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const PropagatorField &q_ti,
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const mobj &Dq_spec1,
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const mobj &Dq_spec2,
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const PropagatorField &q_tf,
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int group,
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int wick_contraction,
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const Gamma GammaJ,
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const Gamma GammaBi,
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const Gamma GammaBf,
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SpinMatrixField &stn_corr);
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private:
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template <class mobj, class mobj2, class robj>
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static void Sigma_to_Nucleon_Q1_Eye_site(const mobj &Dq_loop,
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@ -371,6 +420,365 @@ void BaryonUtils<FImpl>::ContractBaryons_Sliced(const mobj &D1,
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/***********************************************************************
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* End of Baryon 2pt-function code. *
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* *
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* The following code is for baryonGamma3pt function *
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**********************************************************************/
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/* Dq1_ti is a quark line from t_i to t_J
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* Dq2_spec is a quark line from t_i to t_f
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* Dq3_spec is a quark line from t_i to t_f
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* Dq4_tf is a quark line from t_f to t_J */
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template<class FImpl>
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template <class mobj, class mobj2, class robj>
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void BaryonUtils<FImpl>::Baryon_Gamma_3pt_Group1_Site(
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const mobj &Dq1_ti,
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const mobj2 &Dq2_spec,
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const mobj2 &Dq3_spec,
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const mobj &Dq4_tf,
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const Gamma GammaJ,
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const Gamma GammaBi,
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const Gamma GammaBf,
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int wick_contraction,
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robj &result)
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{
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Gamma g5(Gamma::Algebra::Gamma5);
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auto adjD4_g_D1 = g5 * adj(Dq4_tf) * g5 * GammaJ * Dq1_ti;
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auto Gf_adjD4_g_D1 = GammaBf * adjD4_g_D1;
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auto D2_Gi = Dq2_spec * GammaBi;
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auto Gf_D2_Gi = GammaBf * D2_Gi;
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auto Gf_D3 = GammaBf * Dq3_spec;
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int a_f, b_f, c_f;
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int a_i, b_i, c_i;
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Complex ee;
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auto D2_Gi_ab_aa = D2_Gi ()(0,0)(0,0);
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auto Gf_D3_ab_bb = Gf_D3 ()(0,0)(0,0);
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auto Gf_D2_Gi_ab_ba = Gf_D2_Gi ()(0,0)(0,0);
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auto ee_adjD4_g_D1_ag_ac = ee * adjD4_g_D1 ()(0,0)(0,0);
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auto ee_Gf_adjD4_g_D1_ag_bc = ee * Gf_adjD4_g_D1()(0,0)(0,0);
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auto Dq3_spec_ab_ab = Dq3_spec ()(0,0)(0,0);
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auto ee_adjD4_g_D1_gg_cc = ee * adjD4_g_D1 ()(0,0)(0,0);
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auto Dq3_spec_gb_cb = Dq3_spec ()(0,0)(0,0);
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auto D2_Gi_gb_ca = D2_Gi ()(0,0)(0,0);
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for (int ie_f=0; ie_f < 6 ; ie_f++){
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a_f = epsilon[ie_f][0]; //a
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b_f = epsilon[ie_f][1]; //b
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c_f = epsilon[ie_f][2]; //c
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for (int ie_i=0; ie_i < 6 ; ie_i++){
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a_i = epsilon[ie_i][0]; //a'
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b_i = epsilon[ie_i][1]; //b'
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c_i = epsilon[ie_i][2]; //c'
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ee = epsilon_sgn[ie_f] * epsilon_sgn[ie_i];
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for (int alpha_f=0; alpha_f<Ns; alpha_f++){
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for (int beta_i=0; beta_i<Ns; beta_i++){
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D2_Gi_ab_aa = D2_Gi ()(alpha_f,beta_i)(a_f,a_i);
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Gf_D3_ab_bb = Gf_D3 ()(alpha_f,beta_i)(b_f,b_i);
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Gf_D2_Gi_ab_ba = Gf_D2_Gi ()(alpha_f,beta_i)(b_f,a_i);
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Dq3_spec_ab_ab = Dq3_spec ()(alpha_f,beta_i)(a_f,b_i);
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for (int gamma_i=0; gamma_i<Ns; gamma_i++){
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ee_adjD4_g_D1_ag_ac = ee * adjD4_g_D1 ()(alpha_f,gamma_i)(a_f,c_i);
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ee_Gf_adjD4_g_D1_ag_bc = ee * Gf_adjD4_g_D1()(alpha_f,gamma_i)(b_f,c_i);
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for (int gamma_f=0; gamma_f<Ns; gamma_f++){
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ee_adjD4_g_D1_gg_cc = ee * adjD4_g_D1 ()(gamma_f,gamma_i)(c_f,c_i);
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Dq3_spec_gb_cb = Dq3_spec ()(gamma_f,beta_i)(c_f,b_i);
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D2_Gi_gb_ca = D2_Gi ()(gamma_f,beta_i)(c_f,a_i);
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if(wick_contraction == 0) { // Do contraction I1
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result()(gamma_f,gamma_i)() -= ee_adjD4_g_D1_gg_cc
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* D2_Gi_ab_aa
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* Gf_D3_ab_bb;
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}
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if(wick_contraction == 1) { // Do contraction I2
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result()(gamma_f,gamma_i)() -= ee_adjD4_g_D1_ag_ac
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* Gf_D2_Gi_ab_ba
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* Dq3_spec_gb_cb;
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}
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if(wick_contraction == 2) { // Do contraction I3
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result()(gamma_f,gamma_i)() -= ee_Gf_adjD4_g_D1_ag_bc
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* D2_Gi_gb_ca
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* Dq3_spec_ab_ab;
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}
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if(wick_contraction == 3) { // Do contraction I4
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result()(gamma_f,gamma_i)() += ee_adjD4_g_D1_gg_cc
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* Gf_D2_Gi_ab_ba
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* Dq3_spec_ab_ab;
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}
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if(wick_contraction == 4) { // Do contraction I5
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result()(gamma_f,gamma_i)() += ee_Gf_adjD4_g_D1_ag_bc
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* D2_Gi_ab_aa
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* Dq3_spec_gb_cb;
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}
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if(wick_contraction == 5) { // Do contraction I6
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result()(gamma_f,gamma_i)() += ee_adjD4_g_D1_ag_ac
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* D2_Gi_gb_ca
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* Gf_D3_ab_bb;
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}
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}}
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}}
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}}
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}
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/* Dq1_spec is a quark line from t_i to t_f
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* Dq2_ti is a quark line from t_i to t_J
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* Dq3_spec is a quark line from t_i to t_f
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* Dq4_tf is a quark line from t_f to t_J */
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template<class FImpl>
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template <class mobj, class mobj2, class robj>
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void BaryonUtils<FImpl>::Baryon_Gamma_3pt_Group2_Site(
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const mobj2 &Dq1_spec,
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const mobj &Dq2_ti,
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const mobj2 &Dq3_spec,
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const mobj &Dq4_tf,
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const Gamma GammaJ,
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const Gamma GammaBi,
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const Gamma GammaBf,
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int wick_contraction,
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robj &result)
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{
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Gamma g5(Gamma::Algebra::Gamma5);
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auto adjD4_g_D2_Gi = g5 * adj(Dq4_tf) * g5 * GammaJ * Dq2_ti * GammaBi;
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auto Gf_adjD4_g_D2_Gi = GammaBf * adjD4_g_D2_Gi;
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auto Gf_D1 = GammaBf * Dq1_spec;
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auto Gf_D3 = GammaBf * Dq3_spec;
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int a_f, b_f, c_f;
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int a_i, b_i, c_i;
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Complex ee;
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auto adjD4_g_D2_Gi_ab_aa = adjD4_g_D2_Gi ()(0,0)(0,0);
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auto Gf_D3_ab_bb = Gf_D3 ()(0,0)(0,0);
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auto Gf_adjD4_g_D2_Gi_ab_ba = Gf_adjD4_g_D2_Gi ()(0,0)(0,0);
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auto Dq3_spec_ab_ab = Dq3_spec ()(0,0)(0,0);
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auto ee_Dq1_spec_ag_ac = ee* Dq1_spec ()(0,0)(0,0);
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auto ee_Gf_D1_ag_bc = ee*Gf_D1 ()(0,0)(0,0);
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auto ee_Dq1_spec_gg_cc = ee*Dq1_spec ()(0,0)(0,0);
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auto Dq3_spec_gb_cb = Dq3_spec ()(0,0)(0,0);
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auto adjD4_g_D2_Gi_gb_ca = adjD4_g_D2_Gi ()(0,0)(0,0);
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for (int ie_f=0; ie_f < 6 ; ie_f++){
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a_f = epsilon[ie_f][0]; //a
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b_f = epsilon[ie_f][1]; //b
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c_f = epsilon[ie_f][2]; //c
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for (int ie_i=0; ie_i < 6 ; ie_i++){
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a_i = epsilon[ie_i][0]; //a'
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b_i = epsilon[ie_i][1]; //b'
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c_i = epsilon[ie_i][2]; //c'
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ee = epsilon_sgn[ie_f] * epsilon_sgn[ie_i];
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for (int alpha_f=0; alpha_f<Ns; alpha_f++){
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for (int beta_i=0; beta_i<Ns; beta_i++){
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adjD4_g_D2_Gi_ab_aa = adjD4_g_D2_Gi ()(alpha_f,beta_i)(a_f,a_i);
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Gf_D3_ab_bb = Gf_D3 ()(alpha_f,beta_i)(b_f,b_i);
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Gf_adjD4_g_D2_Gi_ab_ba = Gf_adjD4_g_D2_Gi ()(alpha_f,beta_i)(b_f,a_i);
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Dq3_spec_ab_ab = Dq3_spec ()(alpha_f,beta_i)(a_f,b_i);
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for (int gamma_i=0; gamma_i<Ns; gamma_i++){
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ee_Dq1_spec_ag_ac = ee * Dq1_spec ()(alpha_f,gamma_i)(a_f,c_i);
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ee_Gf_D1_ag_bc = ee * Gf_D1 ()(alpha_f,gamma_i)(b_f,c_i);
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for (int gamma_f=0; gamma_f<Ns; gamma_f++){
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ee_Dq1_spec_gg_cc = ee * Dq1_spec ()(gamma_f,gamma_i)(c_f,c_i);
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Dq3_spec_gb_cb = Dq3_spec ()(gamma_f,beta_i)(c_f,b_i);
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adjD4_g_D2_Gi_gb_ca = adjD4_g_D2_Gi ()(gamma_f,beta_i)(c_f,a_i);
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if(wick_contraction == 0) { // Do contraction II1
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result()(gamma_f,gamma_i)() -= ee_Dq1_spec_gg_cc
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* adjD4_g_D2_Gi_ab_aa
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* Gf_D3_ab_bb;
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}
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if(wick_contraction == 1) { // Do contraction II2
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result()(gamma_f,gamma_i)() -= ee_Dq1_spec_ag_ac
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* Gf_adjD4_g_D2_Gi_ab_ba
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* Dq3_spec_gb_cb;
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}
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if(wick_contraction == 2) { // Do contraction II3
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result()(gamma_f,gamma_i)() -= ee_Gf_D1_ag_bc
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* adjD4_g_D2_Gi_gb_ca
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* Dq3_spec_ab_ab;
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}
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if(wick_contraction == 3) { // Do contraction II4
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result()(gamma_f,gamma_i)() += ee_Dq1_spec_gg_cc
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* Gf_adjD4_g_D2_Gi_ab_ba
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* Dq3_spec_ab_ab;
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}
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if(wick_contraction == 4) { // Do contraction II5
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result()(gamma_f,gamma_i)() += ee_Gf_D1_ag_bc
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* adjD4_g_D2_Gi_ab_aa
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* Dq3_spec_gb_cb;
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}
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if(wick_contraction == 5) { // Do contraction II6
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result()(gamma_f,gamma_i)() += ee_Dq1_spec_ag_ac
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* adjD4_g_D2_Gi_gb_ca
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* Gf_D3_ab_bb;
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}
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}}
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}}
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}}
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}
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/* Dq1_spec is a quark line from t_i to t_f
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* Dq2_spec is a quark line from t_i to t_f
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* Dq3_ti is a quark line from t_i to t_J
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* Dq4_tf is a quark line from t_f to t_J */
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template<class FImpl>
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template <class mobj, class mobj2, class robj>
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void BaryonUtils<FImpl>::Baryon_Gamma_3pt_Group3_Site(
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const mobj2 &Dq1_spec,
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const mobj2 &Dq2_spec,
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const mobj &Dq3_ti,
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const mobj &Dq4_tf,
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const Gamma GammaJ,
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const Gamma GammaBi,
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const Gamma GammaBf,
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int wick_contraction,
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robj &result)
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{
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Gamma g5(Gamma::Algebra::Gamma5);
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auto adjD4_g_D3 = g5 * adj(Dq4_tf) * g5 * GammaJ * Dq3_ti;
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auto Gf_adjD4_g_D3 = GammaBf * adjD4_g_D3;
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auto Gf_D1 = GammaBf * Dq1_spec;
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auto D2_Gi = Dq2_spec * GammaBi;
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auto Gf_D2_Gi = GammaBf * D2_Gi;
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int a_f, b_f, c_f;
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int a_i, b_i, c_i;
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Complex ee;
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auto D2_Gi_ab_aa = D2_Gi ()(0,0)(0,0);
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auto Gf_adjD4_g_D3_ab_bb = Gf_adjD4_g_D3 ()(0,0)(0,0);
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auto Gf_D2_Gi_ab_ba = Gf_D2_Gi ()(0,0)(0,0);
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auto adjD4_g_D3_ab_ab = adjD4_g_D3 ()(0,0)(0,0);
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auto ee_Dq1_spec_ag_ac = ee * Dq1_spec ()(0,0)(0,0);
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auto ee_Gf_D1_ag_bc = ee * Gf_D1 ()(0,0)(0,0);
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auto ee_Dq1_spec_gg_cc = ee * Dq1_spec ()(0,0)(0,0);
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auto adjD4_g_D3_gb_cb = adjD4_g_D3 ()(0,0)(0,0);
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auto D2_Gi_gb_ca = D2_Gi ()(0,0)(0,0);
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for (int ie_f=0; ie_f < 6 ; ie_f++){
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a_f = epsilon[ie_f][0]; //a
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b_f = epsilon[ie_f][1]; //b
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c_f = epsilon[ie_f][2]; //c
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for (int ie_i=0; ie_i < 6 ; ie_i++){
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a_i = epsilon[ie_i][0]; //a'
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b_i = epsilon[ie_i][1]; //b'
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c_i = epsilon[ie_i][2]; //c'
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ee = epsilon_sgn[ie_f] * epsilon_sgn[ie_i];
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for (int alpha_f=0; alpha_f<Ns; alpha_f++){
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for (int beta_i=0; beta_i<Ns; beta_i++){
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D2_Gi_ab_aa = D2_Gi ()(alpha_f,beta_i)(a_f,a_i);
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Gf_adjD4_g_D3_ab_bb = Gf_adjD4_g_D3 ()(alpha_f,beta_i)(b_f,b_i);
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Gf_D2_Gi_ab_ba = Gf_D2_Gi ()(alpha_f,beta_i)(b_f,a_i);
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adjD4_g_D3_ab_ab = adjD4_g_D3 ()(alpha_f,beta_i)(a_f,b_i);
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for (int gamma_i=0; gamma_i<Ns; gamma_i++) {
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ee_Dq1_spec_ag_ac = ee * Dq1_spec ()(alpha_f,gamma_i)(a_f,c_i);
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ee_Gf_D1_ag_bc = ee * Gf_D1 ()(alpha_f,gamma_i)(b_f,c_i);
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for (int gamma_f=0; gamma_f<Ns; gamma_f++) {
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ee_Dq1_spec_gg_cc = ee * Dq1_spec ()(gamma_f,gamma_i)(c_f,c_i);
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adjD4_g_D3_gb_cb = adjD4_g_D3 ()(gamma_f,beta_i)(c_f,b_i);
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D2_Gi_gb_ca = D2_Gi ()(gamma_f,beta_i)(c_f,a_i);
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if(wick_contraction == 0) { // Do contraction III1
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result()(gamma_f,gamma_i)() -= ee_Dq1_spec_gg_cc
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* D2_Gi_ab_aa
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* Gf_adjD4_g_D3_ab_bb;
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}
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if(wick_contraction == 1) { // Do contraction III2
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result()(gamma_f,gamma_i)() -= ee_Dq1_spec_ag_ac
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* Gf_D2_Gi_ab_ba
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* adjD4_g_D3_gb_cb;
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}
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if(wick_contraction == 2) { // Do contraction III3
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result()(gamma_f,gamma_i)() -= ee_Gf_D1_ag_bc
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||||
* D2_Gi_gb_ca
|
||||
* adjD4_g_D3_ab_ab;
|
||||
}
|
||||
if(wick_contraction == 3) { // Do contraction III4
|
||||
result()(gamma_f,gamma_i)() += ee_Dq1_spec_gg_cc
|
||||
* Gf_D2_Gi_ab_ba
|
||||
* adjD4_g_D3_ab_ab;
|
||||
}
|
||||
if(wick_contraction == 4) { // Do contraction III5
|
||||
result()(gamma_f,gamma_i)() += ee_Gf_D1_ag_bc
|
||||
* D2_Gi_ab_aa
|
||||
* adjD4_g_D3_gb_cb;
|
||||
}
|
||||
if(wick_contraction == 5) { // Do contraction III6
|
||||
result()(gamma_f,gamma_i)() += ee_Dq1_spec_ag_ac
|
||||
* D2_Gi_gb_ca
|
||||
* Gf_adjD4_g_D3_ab_bb;
|
||||
}
|
||||
}}
|
||||
}}
|
||||
}}
|
||||
}
|
||||
|
||||
template<class FImpl>
|
||||
template <class mobj>
|
||||
void BaryonUtils<FImpl>::Baryon_Gamma_3pt(
|
||||
const PropagatorField &q_ti,
|
||||
const mobj &Dq_spec1,
|
||||
const mobj &Dq_spec2,
|
||||
const PropagatorField &q_tf,
|
||||
int group,
|
||||
int wick_contraction,
|
||||
const Gamma GammaJ,
|
||||
const Gamma GammaBi,
|
||||
const Gamma GammaBf,
|
||||
SpinMatrixField &stn_corr)
|
||||
{
|
||||
GridBase *grid = q_tf.Grid();
|
||||
|
||||
auto vcorr= stn_corr.View();
|
||||
auto vq_ti = q_ti.View();
|
||||
auto vq_tf = q_tf.View();
|
||||
|
||||
if (group ==1) {
|
||||
thread_for(ss,grid->oSites(),{
|
||||
auto Dq_ti = vq_ti[ss];
|
||||
auto Dq_tf = vq_tf[ss];
|
||||
sobj result=Zero();
|
||||
Baryon_Gamma_3pt_Group1_Site(Dq_ti,Dq_spec1,Dq_spec2,Dq_tf,GammaJ,GammaBi,GammaBf,wick_contraction,result);
|
||||
vcorr[ss] += result;
|
||||
});//end loop over lattice sites
|
||||
} else if (group == 2) {
|
||||
thread_for(ss,grid->oSites(),{
|
||||
auto Dq_ti = vq_ti[ss];
|
||||
auto Dq_tf = vq_tf[ss];
|
||||
sobj result=Zero();
|
||||
Baryon_Gamma_3pt_Group2_Site(Dq_spec1,Dq_ti,Dq_spec2,Dq_tf,GammaJ,GammaBi,GammaBf,wick_contraction,result);
|
||||
vcorr[ss] += result;
|
||||
});//end loop over lattice sites
|
||||
} else if (group == 3) {
|
||||
thread_for(ss,grid->oSites(),{
|
||||
auto Dq_ti = vq_ti[ss];
|
||||
auto Dq_tf = vq_tf[ss];
|
||||
sobj result=Zero();
|
||||
Baryon_Gamma_3pt_Group3_Site(Dq_spec1,Dq_spec2,Dq_ti,Dq_tf,GammaJ,GammaBi,GammaBf,wick_contraction,result);
|
||||
|
||||
vcorr[ss] += result;
|
||||
});//end loop over lattice sites
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
/***********************************************************************
|
||||
* End of BaryonGamma3pt-function code. *
|
||||
* *
|
||||
* The following code is for Sigma -> N rare hypeon decays *
|
||||
**********************************************************************/
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user