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81 lines
3.0 KiB
C++
81 lines
3.0 KiB
C++
#ifndef Hadrons_MScalar_ScalarVP_hpp_
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#define Hadrons_MScalar_ScalarVP_hpp_
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#include <Grid/Hadrons/Global.hpp>
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#include <Grid/Hadrons/Module.hpp>
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#include <Grid/Hadrons/ModuleFactory.hpp>
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BEGIN_HADRONS_NAMESPACE
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/******************************************************************************
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* Scalar vacuum polarisation *
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******************************************************************************/
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BEGIN_MODULE_NAMESPACE(MScalar)
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class ScalarVPPar: Serializable
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{
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public:
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GRID_SERIALIZABLE_CLASS_MEMBERS(ScalarVPPar,
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std::string, emField,
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std::string, scalarProp,
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std::string, output,
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std::vector<std::string>, outputMom);
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};
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class TScalarVP: public Module<ScalarVPPar>
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{
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public:
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SCALAR_TYPE_ALIASES(SIMPL,);
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typedef PhotonR::GaugeField EmField;
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typedef PhotonR::GaugeLinkField EmComp;
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public:
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// constructor
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TScalarVP(const std::string name);
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// destructor
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virtual ~TScalarVP(void) = default;
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// dependency relation
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virtual std::vector<std::string> getInput(void);
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virtual std::vector<std::string> getOutput(void);
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protected:
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// setup
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virtual void setup(void);
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// execution
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virtual void execute(void);
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private:
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void makeCaches(void);
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// conserved vector two-point contraction
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void vpContraction(ScalarField &vp,
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ScalarField &prop_0_x, ScalarField &prop_nu_x,
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TComplex u_src, ScalarField &u_snk, int mu);
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// conserved vector two-point contraction with unit gauge link at sink
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void vpContraction(ScalarField &vp,
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ScalarField &prop_0_x, ScalarField &prop_nu_x,
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TComplex u_src, int mu);
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// write momentum-projected vacuum polarisation to file(s)
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void writeVP(std::vector<ResultWriter *> &writer, const ScalarField &vp,
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std::string dsetName);
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// momentum-space Delta_1 insertion
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void momD1(ScalarField &s, FFT &fft);
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private:
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bool momPhasesDone_;
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std::string freeMomPropName_, GFSrcName_,
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prop0Name_, propQName_,
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propSunName_, propTadName_,
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fftName_;
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std::vector<std::string> phaseName_, muPropQName_,
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momPhaseName_;
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std::vector<std::vector<std::string> > vpTensorName_;
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// ScalarField *freeMomProp_, *GFSrc_,
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// *prop0_;
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std::vector<ScalarField *> phase_, momPhase_;
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// EmField *A;
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};
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MODULE_REGISTER_NS(ScalarVP, TScalarVP, MScalar);
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END_MODULE_NAMESPACE
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END_HADRONS_NAMESPACE
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#endif // Hadrons_MScalar_ScalarVP_hpp_
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