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130 lines
5.4 KiB
C++
130 lines
5.4 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: extras/Hadrons/Modules/MScalar/ScalarVP.hpp
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Copyright (C) 2015-2018
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Author: Antonin Portelli <antonin.portelli@me.com>
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Author: James Harrison <jch1g10@soton.ac.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution directory
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*************************************************************************************/
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/* END LEGAL */
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#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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class Result: Serializable
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{
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public:
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class Projection: Serializable
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{
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public:
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GRID_SERIALIZABLE_CLASS_MEMBERS(Projection,
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std::vector<int>, momentum,
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std::vector<std::vector<std::vector<Complex>>>, pi,
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std::vector<std::vector<std::vector<Complex>>>, pi_free,
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std::vector<std::vector<std::vector<Complex>>>, pi_2E,
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std::vector<std::vector<std::vector<Complex>>>, pi_2T,
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std::vector<std::vector<std::vector<Complex>>>, pi_S,
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std::vector<std::vector<std::vector<Complex>>>, pi_4C,
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std::vector<std::vector<std::vector<Complex>>>, pi_X,
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std::vector<std::vector<std::vector<Complex>>>, pi_srcT,
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std::vector<std::vector<std::vector<Complex>>>, pi_snkT);
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};
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GRID_SERIALIZABLE_CLASS_MEMBERS(Result,
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std::vector<int>, lattice_size,
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double, mass,
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double, charge,
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std::vector<Projection>, projection);
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};
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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) {};
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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 project(std::vector<Complex> &projection, const ScalarField &vp,
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int i_p);
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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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std::vector<ScalarField *> phase_, momPhase_;
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};
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MODULE_REGISTER(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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