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paboyle 2018-01-14 22:47:24 +00:00
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38
lib/qcd/action/pseudofermion/OneFlavourEvenOddRationalRatio.h
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@ -1,4 +1,4 @@
/*************************************************************************************
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
@ -23,26 +23,25 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
*************************************************************************************/
/* END LEGAL */
#ifndef QCD_PSEUDOFERMION_ONE_FLAVOUR_EVEN_ODD_RATIONAL_RATIO_H
#define QCD_PSEUDOFERMION_ONE_FLAVOUR_EVEN_ODD_RATIONAL_RATIO_H
namespace Grid{
namespace QCD{
NAMESPACE_BEGIN(Grid);
///////////////////////////////////////
// One flavour rational
///////////////////////////////////////
///////////////////////////////////////
// One flavour rational
///////////////////////////////////////
// S_f = chi^dag* P(V^dag*V)/Q(V^dag*V)* N(M^dag*M)/D(M^dag*M)* P(V^dag*V)/Q(V^dag*V)* chi
//
// Here P/Q \sim R_{1/4} ~ (V^dagV)^{1/4}
// Here N/D \sim R_{-1/2} ~ (M^dagM)^{-1/2}
// S_f = chi^dag* P(V^dag*V)/Q(V^dag*V)* N(M^dag*M)/D(M^dag*M)* P(V^dag*V)/Q(V^dag*V)* chi
//
// Here P/Q \sim R_{1/4} ~ (V^dagV)^{1/4}
// Here N/D \sim R_{-1/2} ~ (M^dagM)^{-1/2}
template<class Impl>
class OneFlavourEvenOddRatioRationalPseudoFermionAction : public Action<typename Impl::GaugeField> {
public:
template<class Impl>
class OneFlavourEvenOddRatioRationalPseudoFermionAction : public Action<typename Impl::GaugeField> {
public:
INHERIT_IMPL_TYPES(Impl);
@ -54,14 +53,14 @@ namespace Grid{
MultiShiftFunction PowerQuarter;
MultiShiftFunction PowerNegQuarter;
private:
private:
FermionOperator<Impl> & NumOp;// the basic operator
FermionOperator<Impl> & DenOp;// the basic operator
FermionField PhiEven; // the pseudo fermion field for this trajectory
FermionField PhiOdd; // the pseudo fermion field for this trajectory
public:
public:
OneFlavourEvenOddRatioRationalPseudoFermionAction(FermionOperator<Impl> &_NumOp,
FermionOperator<Impl> &_DenOp,
@ -273,9 +272,8 @@ namespace Grid{
//dSdU = Ta(dSdU);
};
};
}
}
};
NAMESPACE_END(Grid);
#endif