Geant4 Cross Reference

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Geant4/processes/solidstate/phonon/src/G4PhononScattering.cc

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Diff markup

Differences between /processes/solidstate/phonon/src/G4PhononScattering.cc (Version 11.3.0) and /processes/solidstate/phonon/src/G4PhononScattering.cc (Version 9.3.p1)


  1 //                                                  1 
  2 // *******************************************    
  3 // * License and Disclaimer                       
  4 // *                                              
  5 // * The  Geant4 software  is  copyright of th    
  6 // * the Geant4 Collaboration.  It is provided    
  7 // * conditions of the Geant4 Software License    
  8 // * LICENSE and available at  http://cern.ch/    
  9 // * include a list of copyright holders.         
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 11 // * Neither the authors of this software syst    
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 14 // * regarding  this  software system or assum    
 15 // * use.  Please see the license in the file     
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 17 // *                                              
 18 // * This  code  implementation is the result     
 19 // * technical work of the GEANT4 collaboratio    
 20 // * By using,  copying,  modifying or  distri    
 21 // * any work based  on the software)  you  ag    
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 24 // *******************************************    
 25 //                                                
 26 /// \file processes/phonon/src/G4PhononScatter    
 27 /// \brief Implementation of the G4PhononScatt    
 28 //                                                
 29 //                                                
 30 // 20131111  Add verbose output for MFP calcul    
 31                                                   
 32 #include "G4PhononScattering.hh"                  
 33 #include "G4LatticePhysical.hh"                   
 34 #include "G4PhononPolarization.hh"                
 35 #include "G4PhononLong.hh"                        
 36 #include "G4PhononTrackMap.hh"                    
 37 #include "G4PhononTransFast.hh"                   
 38 #include "G4PhononTransSlow.hh"                   
 39 #include "G4PhysicalConstants.hh"                 
 40 #include "G4RandomDirection.hh"                   
 41 #include "G4Step.hh"                              
 42 #include "G4SystemOfUnits.hh"                     
 43 #include "G4VParticleChange.hh"                   
 44 #include "Randomize.hh"                           
 45                                                   
 46                                                   
 47 G4PhononScattering::G4PhononScattering(const G    
 48   : G4VPhononProcess(aName) {;}                   
 49                                                   
 50 G4PhononScattering::~G4PhononScattering() {;}     
 51                                                   
 52 //....oooOO0OOooo........oooOO0OOooo........oo    
 53                                                   
 54 G4double G4PhononScattering::GetMeanFreePath(c    
 55                G4double /*previousStepSize*/,     
 56                G4ForceCondition* condition) {     
 57   //Dynamical constants retrieved from Physica    
 58   G4double B = theLattice->GetScatteringConsta    
 59   G4double Eoverh = aTrack.GetKineticEnergy()/    
 60                                                   
 61   //Calculate mean free path                      
 62   G4double mfp = aTrack.GetVelocity()/(Eoverh*    
 63                                                   
 64   if (verboseLevel > 1)                           
 65     G4cout << "G4PhononScattering::GetMeanFree    
 66                                                   
 67   *condition = NotForced;                         
 68                                                   
 69   return mfp;                                     
 70 }                                                 
 71                                                   
 72 //....oooOO0OOooo........oooOO0OOooo........oo    
 73                                                   
 74 G4VParticleChange* G4PhononScattering::PostSte    
 75                  const G4Step& aStep) {           
 76   G4StepPoint* postStepPoint = aStep.GetPostSt    
 77   if (postStepPoint->GetStepStatus()==fGeomBou    
 78     return G4VDiscreteProcess::PostStepDoIt(aT    
 79   }                                               
 80                                                   
 81   //Initialize particle change                    
 82   aParticleChange.Initialize(aTrack);             
 83                                                   
 84   //randomly generate a new direction and pola    
 85   G4ThreeVector newDir = G4RandomDirection();     
 86   G4int polarization = ChoosePolarization(theL    
 87             theLattice->GetSTDOS(),               
 88             theLattice->GetFTDOS());              
 89                                                   
 90   // Generate the new track after scattering      
 91   // FIXME:  If polarization state is the same    
 92   G4Track* sec =                                  
 93     CreateSecondary(polarization, newDir, aTra    
 94   aParticleChange.SetNumberOfSecondaries(1);      
 95   aParticleChange.AddSecondary(sec);              
 96                                                   
 97   // Scattered phonon replaces current track      
 98   aParticleChange.ProposeEnergy(0.);              
 99   aParticleChange.ProposeTrackStatus(fStopAndK    
100                                                   
101   return &aParticleChange;                        
102 }                                                 
103                                                   
104 //....oooOO0OOooo........oooOO0OOooo........oo    
105