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Correcting the M and Mdag in the clover term
This commit is contained in:
Guido Cossu
parent
5553b8d2b8
commit
99a73f4287
@ -30,13 +30,15 @@
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#include <Grid/Eigen/Dense>
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#include <Grid/qcd/spin/Dirac.h>
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namespace Grid {
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namespace QCD {
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namespace Grid
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{
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namespace QCD
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{
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//WilsonLoop::CloverPlaquette
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/////////////////////////////////////////////////////
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//// Clover plaquette combination in mu,nu plane with Double Stored U
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////////////////////////////////////////////////////
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//WilsonLoop::CloverPlaquette
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/////////////////////////////////////////////////////
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//// Clover plaquette combination in mu,nu plane with Double Stored U
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////////////////////////////////////////////////////
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//static void CloverPlaquette(GaugeMat &Q, const std::vector<GaugeMat> &U,
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// const int mu, const int nu){
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// Q = zero;
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@ -54,149 +56,162 @@ namespace QCD {
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// U[nu], nu, Gimpl::CovShiftBackward(U[mu], mu, U[nu] )));
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// }
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// *NOT* EO
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template <class Impl>
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RealD WilsonCloverFermion<Impl>::M(const FermionField &in, FermionField &out)
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{
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// Wilson term
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out.checkerboard = in.checkerboard;
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this->Dhop(in, out, DaggerNo);
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// Clover term
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// apply the sigma and Fmunu
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FermionField temp(out._grid);
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Mooee(in, temp);
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// overall factor
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out += temp;
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return axpy_norm(out, 4 + this->mass, in, out);
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}
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// *NOT* EO
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template <class Impl>
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RealD WilsonCloverFermion<Impl>::M(const FermionField& in, FermionField& out) {
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// Wilson term
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out.checkerboard = in.checkerboard;
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this->Dhop(in, out, DaggerNo);
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// Clover term
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// apply the sigma and Fmunu
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Mooee(in, out);
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// overall factor
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return axpy_norm(out, 4 + this->mass, in, out);
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template <class Impl>
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RealD WilsonCloverFermion<Impl>::Mdag(const FermionField &in, FermionField &out)
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{
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// Wilson term
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out.checkerboard = in.checkerboard;
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this->Dhop(in, out, DaggerYes);
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// Clover term
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// apply the sigma and Fmunu
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FermionField temp(out._grid);
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MooeeDag(in, temp);
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out+=temp;
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return axpy_norm(out, 4 + this->mass, in, out);
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}
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template <class Impl>
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void WilsonCloverFermion<Impl>::ImportGauge(const GaugeField &_Umu)
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{
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this->ImportGauge(_Umu);
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GridBase *grid = _Umu._grid;
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assert(Nd == 4); // only works in 4 dim
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typename Impl::GaugeLinkField Bx(grid), By(grid), Bz(grid), Ex(grid), Ey(grid), Ez(grid);
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// Compute the field strength terms
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WilsonLoops<Impl>::FieldStrength(Bx, _Umu, Ydir, Zdir);
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WilsonLoops<Impl>::FieldStrength(By, _Umu, Zdir, Xdir);
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WilsonLoops<Impl>::FieldStrength(Bz, _Umu, Xdir, Ydir);
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WilsonLoops<Impl>::FieldStrength(Ex, _Umu, Tdir, Xdir);
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WilsonLoops<Impl>::FieldStrength(Ey, _Umu, Tdir, Ydir);
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WilsonLoops<Impl>::FieldStrength(Ez, _Umu, Tdir, Zdir);
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// Compute the Clover Operator acting on Colour and Spin
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CloverTerm = fillClover(Bx) * (Gamma(Gamma::Algebra::SigmaYZ));
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CloverTerm += fillClover(By) * (Gamma(Gamma::Algebra::MinusSigmaXZ));
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CloverTerm += fillClover(Bz) * (Gamma(Gamma::Algebra::SigmaXY));
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CloverTerm += fillClover(Ex) * (Gamma(Gamma::Algebra::MinusSigmaXT));
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CloverTerm += fillClover(Ey) * (Gamma(Gamma::Algebra::MinusSigmaYT));
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CloverTerm += fillClover(Ez) * (Gamma(Gamma::Algebra::MinusSigmaZT));
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CloverTerm *= csw;
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int lvol = _Umu._grid->lSites();
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int DimRep = Impl::Dimension;
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Eigen::MatrixXcd EigenCloverOp = Eigen::MatrixXcd::Zero(Ns * DimRep, Ns * DimRep);
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Eigen::MatrixXcd EigenInvCloverOp = Eigen::MatrixXcd::Zero(Ns * DimRep, Ns * DimRep);
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std::vector<int> lcoor;
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typename SiteCloverType::scalar_object Qx = zero, Qxinv = zero;
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for (int site = 0; site < lvol; site++)
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{
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grid->LocalIndexToLocalCoor(site, lcoor);
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EigenCloverOp = Eigen::MatrixXcd::Zero(Ns * DimRep, Ns * DimRep);
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peekLocalSite(Qx, CloverTerm, lcoor);
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Qxinv = zero;
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for (int j = 0; j < Ns; j++)
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for (int k = 0; k < Ns; k++)
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for (int a = 0; a < DimRep; a++)
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for (int b = 0; b < DimRep; b++)
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EigenCloverOp(a + j * DimRep, b + k * DimRep) = Qx()(j, k)(a, b);
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EigenInvCloverOp = EigenCloverOp.inverse();
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for (int j = 0; j < Ns; j++)
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for (int k = 0; k < Ns; k++)
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for (int a = 0; a < DimRep; a++)
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for (int b = 0; b < DimRep; b++)
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Qxinv()(j, k)(a, b) = EigenInvCloverOp(a + j * DimRep, b + k * DimRep);
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pokeLocalSite(Qxinv, CloverTermInv, lcoor);
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}
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}
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template <class Impl>
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RealD WilsonCloverFermion<Impl>::Mdag(const FermionField& in, FermionField& out) {
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// Wilson term
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out.checkerboard = in.checkerboard;
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this->Dhop(in, out, DaggerYes);
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// Clover term
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// apply the sigma and Fmunu
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MooeeDag(in, out);
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return axpy_norm(out, 4 + this->mass, in, out);
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}
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template <class Impl>
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void WilsonCloverFermion<Impl>::Mooee(const FermionField &in, FermionField &out)
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{
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this->MooeeInternal(in, out, DaggerNo, InverseNo);
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}
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template <class Impl>
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void WilsonCloverFermion<Impl>::ImportGauge(const GaugeField& _Umu) {
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this->ImportGauge(_Umu);
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GridBase* grid = _Umu._grid;
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assert(Nd==4); //only works in 4 dim
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typename Impl::GaugeLinkField Bx(grid), By(grid), Bz(grid), Ex(grid), Ey(grid), Ez(grid);
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// Compute the field strength terms
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WilsonLoops<Impl>::FieldStrength(Bx, _Umu, Ydir, Zdir);
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WilsonLoops<Impl>::FieldStrength(By, _Umu, Zdir, Xdir);
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WilsonLoops<Impl>::FieldStrength(Bz, _Umu, Xdir, Ydir);
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WilsonLoops<Impl>::FieldStrength(Ex, _Umu, Tdir, Xdir);
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WilsonLoops<Impl>::FieldStrength(Ey, _Umu, Tdir, Ydir);
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WilsonLoops<Impl>::FieldStrength(Ez, _Umu, Tdir, Zdir);
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template <class Impl>
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void WilsonCloverFermion<Impl>::MooeeDag(const FermionField &in, FermionField &out)
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{
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this->MooeeInternal(in, out, DaggerNo, InverseYes);
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}
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// Compute the Clover Operator acting on Colour and Spin
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CloverTerm = fillClover(Bx)*(Gamma(Gamma::Algebra::SigmaYZ));
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CloverTerm += fillClover(By)*(Gamma(Gamma::Algebra::MinusSigmaXZ));
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CloverTerm += fillClover(Bz)*(Gamma(Gamma::Algebra::SigmaXY));
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CloverTerm += fillClover(Ex)*(Gamma(Gamma::Algebra::MinusSigmaXT));
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CloverTerm += fillClover(Ey)*(Gamma(Gamma::Algebra::MinusSigmaYT));
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CloverTerm += fillClover(Ez)*(Gamma(Gamma::Algebra::MinusSigmaZT));
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CloverTerm *= csw;
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template <class Impl>
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void WilsonCloverFermion<Impl>::MooeeInv(const FermionField &in, FermionField &out)
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{
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this->MooeeInternal(in, out, DaggerNo, InverseYes);
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}
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template <class Impl>
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void WilsonCloverFermion<Impl>::MooeeInvDag(const FermionField &in, FermionField &out)
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{
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this->MooeeInternal(in, out, DaggerNo, InverseYes);
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}
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int lvol = _Umu._grid->lSites();
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int DimRep = Impl::Dimension;
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template <class Impl>
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void WilsonCloverFermion<Impl>::MooeeInternal(const FermionField &in, FermionField &out, int dag, int inv)
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{
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out.checkerboard = in.checkerboard;
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CloverFieldType *Clover;
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Eigen::MatrixXcd EigenCloverOp = Eigen::MatrixXcd::Zero(Ns*DimRep,Ns*DimRep);
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Eigen::MatrixXcd EigenInvCloverOp = Eigen::MatrixXcd::Zero(Ns*DimRep,Ns*DimRep);
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std::vector <int> lcoor;
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typename SiteCloverType::scalar_object Qx = zero, Qxinv = zero;
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Clover = (inv) ? &CloverTermInv : &CloverTerm;
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if (dag){ out = adj(*Clover) * in;} else { out = *Clover * in;}
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} // MooeeInternal
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for (int site = 0; site < lvol; site++){
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grid->LocalIndexToLocalCoor(site,lcoor);
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EigenCloverOp=Eigen::MatrixXcd::Zero(Ns*DimRep,Ns*DimRep);
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peekLocalSite(Qx,CloverTerm,lcoor);
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Qxinv = zero;
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for(int j = 0; j < Ns; j++)
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for (int k = 0; k < Ns; k++)
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for(int a = 0; a < DimRep; a++)
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for(int b = 0; b < DimRep; b++)
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EigenCloverOp(a+j*DimRep,b+k*DimRep) = Qx()(j,k)(a,b);
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// Derivative parts
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template <class Impl>
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void WilsonCloverFermion<Impl>::MDeriv(GaugeField &mat, const FermionField &U, const FermionField &V, int dag)
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{
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GaugeField tmp(mat._grid);
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EigenInvCloverOp = EigenCloverOp.inverse();
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for(int j = 0; j < Ns; j++)
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for (int k = 0; k < Ns; k++)
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for(int a = 0; a < DimRep; a++)
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for(int b = 0; b < DimRep; b++)
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Qxinv()(j,k)(a,b) = EigenInvCloverOp(a+j*DimRep,b+k*DimRep);
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conformable(U._grid, V._grid);
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conformable(U._grid, mat._grid);
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pokeLocalSite(Qxinv,CloverTermInv,lcoor);
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}
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}
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mat.checkerboard = U.checkerboard;
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tmp.checkerboard = U.checkerboard;
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template<class Impl>
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void WilsonCloverFermion<Impl>::Mooee(const FermionField &in, FermionField &out){
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this -> MooeeInternal(in, out, DaggerNo, InverseNo);
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}
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this->DhopDeriv(mat, U, V, dag);
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MooDeriv(tmp, U, V, dag);
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mat += tmp;
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}
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template<class Impl>
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void WilsonCloverFermion<Impl>::MooeeDag(const FermionField &in, FermionField &out){
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this -> MooeeInternal(in, out, DaggerNo, InverseYes);
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}
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// Derivative parts
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template <class Impl>
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void WilsonCloverFermion<Impl>::MooDeriv(GaugeField &mat, const FermionField &U, const FermionField &V, int dag)
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{
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// Compute the 8 terms of the derivative
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assert(0); // not implemented yet
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}
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template<class Impl>
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void WilsonCloverFermion<Impl>::MooeeInv(const FermionField &in, FermionField &out){
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this -> MooeeInternal(in, out, DaggerNo, InverseYes);
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}
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template<class Impl>
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void WilsonCloverFermion<Impl>::MooeeInvDag(const FermionField &in, FermionField &out){
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this -> MooeeInternal(in, out, DaggerNo, InverseYes);
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}
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template<class Impl>
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void WilsonCloverFermion<Impl>::MooeeInternal(const FermionField &in, FermionField &out, int dag, int inv){
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out.checkerboard = in.checkerboard;
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CloverFieldType *Clover;
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Clover = (inv) ? &CloverTermInv : &CloverTerm;
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if(dag){ out = adj(*Clover)*in;} else {out = *Clover*in;}
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} // MooeeInternal
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// Derivative parts
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template<class Impl>
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void WilsonCloverFermion<Impl>::MDeriv(GaugeField&mat, const FermionField&U, const FermionField&V, int dag){
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GaugeField tmp(mat._grid);
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conformable(U._grid, V._grid);
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conformable(U._grid, mat._grid);
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mat.checkerboard = U.checkerboard;
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tmp.checkerboard = U.checkerboard;
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this->DhopDeriv(mat, U, V, dag);
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MooDeriv(tmp, U, V, dag);
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mat += tmp;
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}
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// Derivative parts
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template<class Impl>
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void WilsonCloverFermion<Impl>::MooDeriv(GaugeField&mat, const FermionField&U, const FermionField&V, int dag){
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// Compute the 8 terms of the derivative
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assert(0); // not implemented yet
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}
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// Derivative parts
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template<class Impl>
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void WilsonCloverFermion<Impl>::MeeDeriv(GaugeField&mat, const FermionField&U, const FermionField&V, int dag){
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assert(0); // not implemented yet
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}
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// Derivative parts
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template <class Impl>
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void WilsonCloverFermion<Impl>::MeeDeriv(GaugeField &mat, const FermionField &U, const FermionField &V, int dag)
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{
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assert(0); // not implemented yet
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}
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FermOpTemplateInstantiate(WilsonCloverFermion); // now only for the fundamental representation
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//AdjointFermOpTemplateInstantiate(WilsonCloverFermion);
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//TwoIndexFermOpTemplateInstantiate(WilsonCloverFermion);
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//GparityFermOpTemplateInstantiate(WilsonCloverFermion);
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}
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}
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