Geant4  10.03.p03
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XCrystalPlanarMoliereTempPotential.cc
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29 
31 #include "G4PhysicalConstants.hh"
32 #include "CLHEP/Random/Stat.h"
33 
35  fAlfa[0] = 0.1;
36  fAlfa[1] = 0.55;
37  fAlfa[2] = 0.35;
38 
39  fBeta[0] = 6.0;
40  fBeta[1] = 1.2;
41  fBeta[2] = 0.3;
42 
43  for(unsigned int i=0;i<3;i++) {
44  fGamma[i] = fAlfa[i]/fBeta[i];
45  }
46 }
47 
48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
49 
51 }
52 
53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
54 
57  XPhysicalLattice* vLattice){
58 
59  G4VPhysicalVolume* vVolume = vLattice->GetVolume();
60 
61  G4double aTF = ComputeTFScreeningRadius(vLattice);
62  G4double vTVA = vLattice->GetThermalVibrationAmplitude();
63 
64  G4double vTau[3];
65  for(unsigned int i=0;i<3;i++){
66  vTau[i] = (std::pow( vTVA / aTF * fBeta[i] , 2. ) / 2.0);
67  }
68 
69 
70  G4double vValueForSinglePlane = 0.;
71 
72  for(unsigned int i=0;i<3;i++){
73  G4double vTemp = 0.;
74  vTemp += ( std::exp(-vX/ aTF * fBeta[i] ) *
75  (1.-CLHEP::HepStat::erfQ((vTVA / aTF * fBeta[i] - vX/ vTVA)
76  / std::pow(2.,0.5))) );
77  vTemp += ( std::exp( vX/ aTF * fBeta[i] ) *
78  (1.-CLHEP::HepStat::erfQ((vTVA / aTF * fBeta[i] + vX/ vTVA)
79  / std::pow(2.,0.5))) );
80  vValueForSinglePlane += ( vTemp * fGamma[i] * std::exp( vTau[i] ) /2.0);
81  }
82 
83  vValueForSinglePlane *= 2. * CLHEP::pi;
84  vValueForSinglePlane *= GetXUnitCell(vVolume)->ComputeDirectPeriod(
85  GetXPhysicalLattice(vVolume)->GetMiller(0),
86  GetXPhysicalLattice(vVolume)->GetMiller(1),
87  GetXPhysicalLattice(vVolume)->GetMiller(2));
88 
89  vValueForSinglePlane *= aTF;
90 
91  vValueForSinglePlane *= (CLHEP::elm_coupling);
92 
93  vValueForSinglePlane *= (GetXUnitCell(vVolume)->ComputeAtomVolumeDensity());
94 
95  return vValueForSinglePlane;
96 }
97 
98 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
99 
102 
103  G4double vMaximum = GetEC(G4ThreeVector(0.,0.,0.),
104  vLattice).x();
105 
106  return vMaximum;
107 }
108 
109 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
110 
113  G4VPhysicalVolume* vVolume = vLattice->GetVolume();
114  G4double vInterplanarDistance =
116  GetXPhysicalLattice(vVolume)->GetMiller(0),
117  GetXPhysicalLattice(vVolume)->GetMiller(1),
118  GetXPhysicalLattice(vVolume)->GetMiller(2));
119 
120  G4double vMinimum = GetEC(G4ThreeVector(vInterplanarDistance/2.,0.,0.),
121  vLattice).x();
122 
123  return vMinimum;
124 }
125 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
CLHEP::Hep3Vector G4ThreeVector
double x() const
XPhysicalLattice * GetXPhysicalLattice(G4VPhysicalVolume *)
virtual G4double ComputeTFScreeningRadius(XPhysicalLattice *)
Definition of the XCrystalPlanarMoliereTempPotential class.
G4double ComputeAtomVolumeDensity()
Definition: XUnitCell.cc:119
G4double GetThermalVibrationAmplitude()
G4ThreeVector GetEC(G4ThreeVector, XPhysicalLattice *)
G4double ComputeECForSinglePlane(G4double, XPhysicalLattice *)
G4double ComputeDirectPeriod(G4int, G4int, G4int)
Definition: XUnitCell.cc:222
static constexpr double elm_coupling
XUnitCell * GetXUnitCell(G4VPhysicalVolume *)
static double erfQ(double x)
Definition: erfQ.cc:24
double G4double
Definition: G4Types.hh:76
static constexpr double pi
Definition: SystemOfUnits.h:54
G4VPhysicalVolume * GetVolume()