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Grid/extras/Hadrons/Modules/MScalar/ScalarVP.hpp

102 lines
4.3 KiB
C++

#ifndef Hadrons_MScalar_ScalarVP_hpp_
#define Hadrons_MScalar_ScalarVP_hpp_
#include <Grid/Hadrons/Global.hpp>
#include <Grid/Hadrons/Module.hpp>
#include <Grid/Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Scalar vacuum polarisation *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MScalar)
class ScalarVPPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(ScalarVPPar,
std::string, emField,
std::string, scalarProp,
std::string, output,
std::vector<std::string>, outputMom);
};
class TScalarVP: public Module<ScalarVPPar>
{
public:
SCALAR_TYPE_ALIASES(SIMPL,);
typedef PhotonR::GaugeField EmField;
typedef PhotonR::GaugeLinkField EmComp;
class Result: Serializable
{
public:
class Projection: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(Projection,
std::vector<int>, momentum,
std::vector<std::vector<std::vector<Complex>>>, pi,
std::vector<std::vector<std::vector<Complex>>>, pi_free,
std::vector<std::vector<std::vector<Complex>>>, pi_2E,
std::vector<std::vector<std::vector<Complex>>>, pi_2T,
std::vector<std::vector<std::vector<Complex>>>, pi_S,
std::vector<std::vector<std::vector<Complex>>>, pi_4C,
std::vector<std::vector<std::vector<Complex>>>, pi_X,
std::vector<std::vector<std::vector<Complex>>>, pi_srcT,
std::vector<std::vector<std::vector<Complex>>>, pi_snkT);
};
GRID_SERIALIZABLE_CLASS_MEMBERS(Result,
std::vector<int>, lattice_size,
double, mass,
double, charge,
std::vector<Projection>, projection);
};
public:
// constructor
TScalarVP(const std::string name);
// destructor
virtual ~TScalarVP(void) = default;
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
protected:
// setup
virtual void setup(void);
// execution
virtual void execute(void);
private:
void makeCaches(void);
// conserved vector two-point contraction
void vpContraction(ScalarField &vp,
ScalarField &prop_0_x, ScalarField &prop_nu_x,
TComplex u_src, ScalarField &u_snk, int mu);
// conserved vector two-point contraction with unit gauge link at sink
void vpContraction(ScalarField &vp,
ScalarField &prop_0_x, ScalarField &prop_nu_x,
TComplex u_src, int mu);
// write momentum-projected vacuum polarisation to file(s)
void project(std::vector<Complex> &projection, const ScalarField &vp,
int i_p);
// momentum-space Delta_1 insertion
void momD1(ScalarField &s, FFT &fft);
private:
bool momPhasesDone_;
std::string freeMomPropName_, GFSrcName_,
prop0Name_, propQName_,
propSunName_, propTadName_,
fftName_;
std::vector<std::string> phaseName_, muPropQName_,
momPhaseName_;
std::vector<std::vector<std::string> > vpTensorName_;
std::vector<ScalarField *> phase_, momPhase_;
};
MODULE_REGISTER_NS(ScalarVP, TScalarVP, MScalar);
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MScalar_ScalarVP_hpp_