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/* Copyright 2019 Andrew Myers, David Grote, Luca Fedeli
* Maxence Thevenet, Weiqun Zhang
*
* This file is part of WarpX.
*
* License: BSD-3-Clause-LBNL
*/
#ifndef WARPX_PhotonParticleContainer_H_
#define WARPX_PhotonParticleContainer_H_
#include "PhysicalParticleContainer.H"
#include <AMReX_Vector.H>
/**
* Photon particles have no mass, they deposit no charge, and see specific QED
* effects. For these reasons, they are stored in the separate particle
* container PhotonParticleContainer, that inherts from
* PhysicalParticleContainer. The particle pusher and current deposition, in
* particular, are overriden in this container.
*/
class PhotonParticleContainer
: public PhysicalParticleContainer
{
public:
PhotonParticleContainer (amrex::AmrCore* amr_core,
int ispecies,
const std::string& name);
virtual ~PhotonParticleContainer () {}
virtual void InitData() override;
virtual void Evolve (int lev,
const amrex::MultiFab& Ex,
const amrex::MultiFab& Ey,
const amrex::MultiFab& Ez,
const amrex::MultiFab& Bx,
const amrex::MultiFab& By,
const amrex::MultiFab& Bz,
amrex::MultiFab& jx,
amrex::MultiFab& jy,
amrex::MultiFab& jz,
amrex::MultiFab* cjx,
amrex::MultiFab* cjy,
amrex::MultiFab* cjz,
amrex::MultiFab* rho,
amrex::MultiFab* crho,
const amrex::MultiFab* cEx,
const amrex::MultiFab* cEy,
const amrex::MultiFab* cEz,
const amrex::MultiFab* cBx,
const amrex::MultiFab* cBy,
const amrex::MultiFab* cBz,
amrex::Real t,
amrex::Real dt,
DtType a_dt_type=DtType::Full) override;
virtual void PushPX(WarpXParIter& pti,
amrex::Real dt, DtType a_dt_type=DtType::Full) override;
// Do nothing
virtual void PushP (int lev,
amrex::Real dt,
const amrex::MultiFab& Ex,
const amrex::MultiFab& Ey,
const amrex::MultiFab& Ez,
const amrex::MultiFab& Bx,
const amrex::MultiFab& By,
const amrex::MultiFab& Bz) override {};
// DepositCurrent should do nothing for photons
virtual void DepositCurrent(WarpXParIter& pti,
RealVector& wp,
RealVector& uxp,
RealVector& uyp,
RealVector& uzp,
const int * const ion_lev,
amrex::MultiFab* jx,
amrex::MultiFab* jy,
amrex::MultiFab* jz,
const long offset,
const long np_to_depose,
int thread_num,
int lev,
int depos_lev,
amrex::Real dt) override {};
#ifdef WARPX_QED
/**
* This function evolves the optical depth of the photons if QED effects
* are enabled.
* @param[in,out] pti particle iterator (optical depth will be modified)
* @param[in] dt temporal step
*/
virtual void EvolveOpticalDepth(WarpXParIter& pti,
amrex::Real dt) override;
#endif
};
#endif // #ifndef WARPX_PhotonParticleContainer_H_
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