include/Geant4/G4VPhononProcess.hh

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0026 /// \file processes/phonon/include/G4VPhononProcess.hh
0027 /// \brief Definition of the G4VPhononProcess base class
0028 //
0029 //
0030 #ifndef G4VPhononProcess_h
0031 #define G4VPhononProcess_h 1
0032
0033 #include "globals.hh"
0034 #include "G4VDiscreteProcess.hh"
0035 #include "G4ThreeVector.hh"
0036
0037 class G4PhononTrackMap;
0038 class G4LatticePhysical;
0039
0040
0041 class G4VPhononProcess : public G4VDiscreteProcess {
0042 public:
0043   G4VPhononProcess(const G4String& processName);
0044   virtual ~G4VPhononProcess();
0045
0046   virtual G4bool IsApplicable(const G4ParticleDefinition& aPD);
0047
0048   // Initialize wave vectors for currently active track(s)
0049   // NOTE:  These functions must call back to base class implementations!
0050   virtual void StartTracking(G4Track* track);
0051   virtual void EndTracking();
0052
0053 protected:
0054   // For convenience, map phonon type to polarization code
0055   virtual G4int GetPolarization(const G4Track& track) const;
0056   virtual G4int GetPolarization(const G4Track* track) const {
0057     return GetPolarization(*track);
0058   }
0059
0060   // For convenience, generate random polarization from density of states
0061   // Values passed may be zero to suppress particular states
0062   virtual G4int ChoosePolarization(G4double Ldos, G4double STdos,
0063                    G4double FTdos) const;
0064
0065   // Construct new track with correct momentum, position, etc.
0066   virtual G4Track* CreateSecondary(G4int polarization, const G4ThreeVector& K,
0067                    G4double energy) const;
0068
0069 protected:
0070   G4PhononTrackMap* trackKmap;      // For convenient access by processes
0071   const G4LatticePhysical* theLattice;
0072
0073 private:
0074   const G4Track* currentTrack;      // For use by Start/EndTracking
0075
0076   // hide assignment operators as private
0077   G4VPhononProcess(G4VPhononProcess&);
0078   G4VPhononProcess& operator=(const G4VPhononProcess& right);
0079 };
0080
0081 #endif  /* G4VPhononProcess_h */