#include <G4QMDMeanField.hh>

Public Member Functions
	G4QMDMeanField ()

	~G4QMDMeanField ()=default

void	SetSystem (G4QMDSystem *aSystem)

void	SetNucleus (G4QMDNucleus *aSystem)

G4QMDSystem *	GetSystem ()

void	Cal2BodyQuantities ()

void	Cal2BodyQuantities (G4int)

void	CalGraduate ()

G4bool	IsPauliBlocked (G4int)

G4double	GetTotalPotential ()

G4double	GetPotential (G4int)

void	DoPropagation (G4double)

std::vector< G4QMDNucleus * >	DoClusterJudgment ()

G4double	GetRR2 (G4int i, G4int j)

G4double	GetRHA (G4int i, G4int j)

G4double	GetRHE (G4int i, G4int j)

G4ThreeVector	GetFFr (G4int i)

G4ThreeVector	GetFFp (G4int i)

std::vector< G4double >	GetLocalDensity ()

std::vector< G4double >	GetDepthOfPotential ()

void	Update ()

Detailed Description

Definition at line 36 of file G4QMDMeanField.hh.

Constructor & Destructor Documentation

◆ G4QMDMeanField()

G4QMDMeanField::G4QMDMeanField ( )

Definition at line 45 of file G4QMDMeanField.cc.

{
   G4QMDParameters* parameters = G4QMDParameters::GetInstance(); 
   wl = parameters->Get_wl();
   cl = parameters->Get_cl();
   rho0 = parameters->Get_rho0(); 
   hbc = parameters->Get_hbc();
   gamm = parameters->Get_gamm();
 
   cpw = parameters->Get_cpw();
   cph = parameters->Get_cph();
   cpc = parameters->Get_cpc();
 
   c0 = parameters->Get_c0();
   c3 = parameters->Get_c3();
   cs = parameters->Get_cs();
 
   // distance
   c0w = 1.0/4.0/wl;
   c0sw = std::sqrt( c0w );
   clw = 2.0 / std::sqrt ( 4.0 * pi * wl );
 
   // graduate
   c0g = - c0 / ( 2.0 * wl );
   c3g = - c3 / ( 4.0 * wl ) * gamm;
   csg = - cs / ( 2.0 * wl );
   pag = gamm - 1;
 
   system = nullptr; // will be set through SetSystem() method
}

◆ ~G4QMDMeanField()

G4QMDMeanField::~G4QMDMeanField ( )

default

Member Function Documentation

◆ Cal2BodyQuantities() [1/2]

void G4QMDMeanField::Cal2BodyQuantities ( )

Definition at line 126 of file G4QMDMeanField.cc.

{
   if ( system->GetTotalNumberOfParticipant() < 2 )  { return; }
 
   for ( G4int j = 1 ; j < system->GetTotalNumberOfParticipant() ; ++j )
   {
      G4ThreeVector rj = system->GetParticipant( j )->GetPosition();
      G4LorentzVector p4j = system->GetParticipant( j )->Get4Momentum();
 
      for ( G4int i = 0 ; i < j ; ++i )
      {
         G4ThreeVector ri = system->GetParticipant( i )->GetPosition();
         G4LorentzVector p4i = system->GetParticipant( i )->Get4Momentum();
 
         G4ThreeVector rij = ri - rj;
         G4ThreeVector pij = (p4i - p4j).v();
         G4LorentzVector p4ij = p4i - p4j;
         G4ThreeVector bij = ( p4i + p4j ).boostVector();
         G4double gammaij = ( p4i + p4j ).gamma();
 
         G4double eij = ( p4i + p4j ).e();
 
         G4double rbrb = rij*bij;
         G4double rij2 = rij*rij;
         G4double pij2 = pij*pij;
 
         rbrb = irelcr * rbrb;
         G4double  gamma2_ij = gammaij*gammaij;
 
         rr2[i][j] = rij2 + gamma2_ij * rbrb*rbrb;
         rr2[j][i] = rr2[i][j];
 
         rbij[i][j] = gamma2_ij * rbrb;
         rbij[j][i] = - rbij[i][j];
 
         pp2[i][j] = pij2
                   + irelcr * ( - G4Pow::GetInstance()->powN ( p4i.e() - p4j.e() , 2 )
                   + gamma2_ij * G4Pow::GetInstance()->powN ( ( ( p4i.m2() - p4j.m2() )
                                                                / eij ) , 2 ) );
         pp2[j][i] = pp2[i][j];
 
         // Gauss term
 
         G4double expa1 = - rr2[i][j] * c0w;
 
         G4double rh1;
         if ( expa1 > epsx )
         {
            rh1 = G4Exp( expa1 );
         }
         else
         {
            rh1 = 0.0;
         }
 
         G4int ibry = system->GetParticipant(i)->GetBaryonNumber();
         G4int jbry = system->GetParticipant(j)->GetBaryonNumber();
 
         rha[i][j] = ibry*jbry*rh1;
         rha[j][i] = rha[i][j];
 
         // Coulomb terms
 
         G4double rrs2 = rr2[i][j] + epscl;
         G4double rrs = std::sqrt ( rrs2 );
 
         G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
         G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
 
         G4double xerf = 0.0;
         // T. K. add this protection. 5.8 is good enough for double
         if ( rrs*c0sw < 5.8 )
         {
#if defined WIN32-VC
            xerf = CLHEP::HepStat::erf ( rrs*c0sw );
#else
            xerf = std::erf ( rrs*c0sw );
#endif
         }
         else
         {
            xerf = 1.0;
         }
 
         G4double erfij = xerf/rrs;
 
         rhe[i][j] = icharge*jcharge * erfij;
         rhe[j][i] = rhe[i][j];
         rhc[i][j] = icharge*jcharge * ( - erfij + clw * rh1 ) / rrs2;
         rhc[j][i] = rhc[i][j];
      }  // i
   }  // j
}

Referenced by G4QMDCollision::CalFinalStateOfTheBinaryCollision(), G4QMDCollision::CalFinalStateOfTheBinaryCollisionJQMD(), G4QMDCollision::CalKinematicsOfBinaryCollisions(), DoClusterJudgment(), DoPropagation(), and SetSystem().

◆ Cal2BodyQuantities() [2/2]

void G4QMDMeanField::Cal2BodyQuantities ( G4int i )

Definition at line 220 of file G4QMDMeanField.cc.

{
   G4ThreeVector ri = system->GetParticipant( i )->GetPosition();  
   G4LorentzVector p4i = system->GetParticipant( i )->Get4Momentum();  
 
   for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; ++j )
   {
      if ( j == i )  { continue; }
 
      G4ThreeVector rj = system->GetParticipant( j )->GetPosition();  
      G4LorentzVector p4j = system->GetParticipant( j )->Get4Momentum();  
 
      G4ThreeVector rij = ri - rj;
      G4ThreeVector pij = (p4i - p4j).v();
      G4LorentzVector p4ij = p4i - p4j;
      G4ThreeVector bij = ( p4i + p4j ).boostVector();
      G4double gammaij = ( p4i + p4j ).gamma();
 
      G4double eij = ( p4i + p4j ).e();
 
      G4double rbrb = rij*bij;
      G4double rij2 = rij*rij;
      G4double pij2 = pij*pij;
 
      rbrb = irelcr * rbrb;
      G4double  gamma2_ij = gammaij*gammaij;
 
      rr2[i][j] = rij2 + gamma2_ij * rbrb*rbrb;
      rr2[j][i] = rr2[i][j];
 
      rbij[i][j] = gamma2_ij * rbrb;
      rbij[j][i] = - rbij[i][j];
      
      pp2[i][j] = pij2
                + irelcr * ( - G4Pow::GetInstance()->powN ( p4i.e() - p4j.e() , 2 )
                + gamma2_ij * G4Pow::GetInstance()->powN ( ( ( p4i.m2() - p4j.m2() )
                                                             / eij ) , 2 ) );
      pp2[j][i] = pp2[i][j];
 
      // Gauss term
 
      G4double expa1 = - rr2[i][j] * c0w;  
 
      G4double rh1;
      if ( expa1 > epsx ) 
      {
         rh1 = G4Exp( expa1 );
      }
      else 
      {
         rh1 = 0.0;  
      } 
 
      G4int ibry = system->GetParticipant(i)->GetBaryonNumber();  
      G4int jbry = system->GetParticipant(j)->GetBaryonNumber();  
 
      rha[i][j] = ibry*jbry*rh1;  
      rha[j][i] = rha[i][j]; 
 
      // Coulomb terms
 
      G4double rrs2 = rr2[i][j] + epscl; 
      G4double rrs = std::sqrt ( rrs2 ); 
 
      G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
      G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
 
      G4double xerf = 0.0;
      // T. K. add this protection. 5.8 is good enough for double
      if ( rrs*c0sw < 5.8 )
      {
#if defined WIN32-VC
         xerf = CLHEP::HepStat::erf ( rrs*c0sw );
#else
         xerf = std::erf ( rrs*c0sw );
#endif
      }
      else
      {
         xerf = 1.0;
      }
 
      G4double erfij = xerf/rrs; 
      
      rhe[i][j] = icharge*jcharge * erfij;
      rhe[j][i] = rhe[i][j]; 
      rhc[i][j] = icharge*jcharge * ( - erfij + clw * rh1 ) / rrs2;
      rhc[j][i] = rhc[i][j];
   }
}

◆ CalGraduate()

void G4QMDMeanField::CalGraduate ( )

Definition at line 311 of file G4QMDMeanField.cc.

{
   ffr.resize( system->GetTotalNumberOfParticipant() );
   ffp.resize( system->GetTotalNumberOfParticipant() );
   rh3d.resize( system->GetTotalNumberOfParticipant() );
 
   for ( G4int i = 0 ; i < system->GetTotalNumberOfParticipant() ; ++i )
   {
      G4double rho3 = 0.0;
      for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; ++j )
      {
         rho3 += rha[j][i]; 
      }
      rh3d[i] = G4Pow::GetInstance()->powA ( rho3 , pag ); 
   }
 
   for ( G4int i = 0 ; i < system->GetTotalNumberOfParticipant() ; ++i )
   {
      G4ThreeVector ri = system->GetParticipant( i )->GetPosition();  
      G4LorentzVector p4i = system->GetParticipant( i )->Get4Momentum();  
 
      G4ThreeVector betai = p4i.v()/p4i.e();
      
      // R-JQMD
      G4double Vi = GetPotential( i );
      G4double p_zero = std::sqrt( p4i.e()*p4i.e() + 2*p4i.m()*Vi);
      G4ThreeVector betai_R = p4i.v()/p_zero;
      G4double mi_R = p4i.m()/p_zero;
 
      ffr[i] = betai_R;
      ffp[i] = G4ThreeVector( 0.0 );
 
      for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; ++j )
      {
         G4ThreeVector rj = system->GetParticipant( j )->GetPosition();  
         G4LorentzVector p4j = system->GetParticipant( j )->Get4Momentum();  
 
         G4double eij = p4i.e() + p4j.e(); 
 
         G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
         G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
 
         G4int inuc = system->GetParticipant(i)->GetNuc();
         G4int jnuc = system->GetParticipant(j)->GetNuc();
 
         G4double ccpp = c0g * rha[j][i]
                       + c3g * rha[j][i] * ( rh3d[j] + rh3d[i] )
                       + csg * rha[j][i] * jnuc * inuc
                             * ( 1. - 2. * std::abs( jcharge - icharge ) )
                       + cl * rhc[j][i];
         ccpp *= mi_R;
 
         G4double grbb = - rbij[j][i];
         G4double ccrr = grbb * ccpp / eij;
 
         G4ThreeVector rij = ri - rj;   
         G4ThreeVector betaij =  ( p4i + p4j ).v()/eij;
         G4ThreeVector cij = betaij - betai;   
 
         ffr[i] = ffr[i] + 2*ccrr* ( rij + grbb*cij );
         ffp[i] = ffp[i] - 2*ccpp* ( rij + grbb*betaij );
      }
   }
}

Referenced by DoPropagation().

◆ DoClusterJudgment()

std::vector< G4QMDNucleus * > G4QMDMeanField::DoClusterJudgment ( )

Definition at line 542 of file G4QMDMeanField.cc.

{
   Cal2BodyQuantities(); 
 
   G4double cpf2 = G4Pow::GetInstance()->A23 ( 1.5 * pi*pi * G4Pow::GetInstance()->powA ( 4.0 * pi * wl , -1.5 ) )
                 * hbc * hbc;
   G4double rcc2 = rclds*rclds;
 
   G4int n = system->GetTotalNumberOfParticipant();
   std::vector < G4double > rhoa;
   rhoa.resize ( n );
 
   for ( G4int i = 0 ; i < n ; ++i )
   {
     rhoa[i] = 0.0;
 
     if ( system->GetParticipant( i )->GetBaryonNumber() == 1 )  
     {
       for ( G4int j = 0 ; j < n ; ++j )
       {
         if ( system->GetParticipant( j )->GetBaryonNumber() == 1 )  
         rhoa[i] += rha[i][j];
       }
     }
 
     rhoa[i] = G4Pow::GetInstance()->A13 ( rhoa[i] + 1 );
   }
 
   // identification of the cluster
   std::vector < G4bool > is_already_belong_some_cluster;
 
   //         cluster_id   participant_id
   std::multimap < G4int , G4int > comb_map; 
   std::multimap < G4int , G4int > assign_map; 
   assign_map.clear(); 
 
   std::vector < G4int > mascl;
   std::vector < G4int > num;
   mascl.resize ( n );
   num.resize ( n );
   is_already_belong_some_cluster.resize ( n );
 
   std::vector < G4int > is_assigned_to ( n , -1 );
   std::multimap < G4int , G4int > clusters;
 
   for ( G4int i = 0 ; i < n ; ++i )
   {
     mascl[i] = 1;
     num[i] = 1;
     is_already_belong_some_cluster[i] = false;
   }
 
   G4int ichek = 1;
   G4int id = 0;
   G4int cluster_id = -1;  
   for ( G4int i = 0 ; i < n-1 ; ++i )
   { 
     G4bool hasThisCompany = false;
 
     if ( system->GetParticipant( i )->GetBaryonNumber() == 1 )  
     {
       G4int j1 = i + 1;
       for ( G4int j = j1 ; j < n ; ++j )
       {
         std::vector < G4int > cluster_participants;
         if ( system->GetParticipant( j )->GetBaryonNumber() == 1 )  
         {
           G4double rdist2 = rr2[ i ][ j ];
           G4double pdist2 = pp2[ i ][ j ];
           G4double pcc2 = cpf2 
                         * ( rhoa[ i ] + rhoa[ j ] )
                         * ( rhoa[ i ] + rhoa[ j ] );
 
           // Check phase space: close enough?
           if ( rdist2 < rcc2 && pdist2 < pcc2 ) 
           {
             if ( is_assigned_to [ j ] == -1 )
             {
               if ( is_assigned_to [ i ] == -1 )
               {
                 if ( clusters.size() != 0 )
                 {
                   id = clusters.rbegin()->first + 1;  
                 }
                 else
                 {
                   id = 0;
                 }
                 clusters.insert ( std::multimap<G4int,G4int>::value_type ( id , i ) );
                 is_assigned_to [ i ] = id; 
                 clusters.insert ( std::multimap<G4int,G4int>::value_type ( id , j ) );
                 is_assigned_to [ j ] = id; 
               }
               else
               {
                 clusters.insert ( std::multimap<G4int,G4int>::value_type ( is_assigned_to [ i ] , j ) );
                 is_assigned_to [ j ] = is_assigned_to [ i ]; 
               }
             } 
             else
             {
               // j is already belong to some cluster 
               if ( is_assigned_to [ i ] == -1 )
               {
                 clusters.insert ( std::multimap<G4int,G4int>::value_type ( is_assigned_to [ j ] , i ) );
                 is_assigned_to [ i ] = is_assigned_to [ j ]; 
               }
               else
               {
                 // i has companion  
                 if ( is_assigned_to [ i ] != is_assigned_to [ j ] )
                 {
                   // move companions to the cluster    
                   std::multimap< G4int , G4int > clusters_tmp;
                   G4int target_cluster_id; 
                   if ( is_assigned_to [ i ] > is_assigned_to [ j ] )
                   {
                     target_cluster_id = is_assigned_to [ i ];
                   }
                   else
                   {
                     target_cluster_id = is_assigned_to [ j ];
                   }
                   for ( auto it = clusters.cbegin() ; it != clusters.cend() ; ++it ) 
                   {
                     if ( it->first == target_cluster_id )
                     { 
                       is_assigned_to [ it->second ] = is_assigned_to [ j ]; 
                       clusters_tmp.insert(std::multimap<G4int,G4int>::value_type(is_assigned_to[j], it->second));
                     }
                     else
                     {
                       clusters_tmp.insert(std::multimap<G4int,G4int>::value_type(it->first, it->second));
                     }
                   }
                   clusters = clusters_tmp;
                 }
               }
             }
 
             comb_map.insert( std::multimap<G4int,G4int>::value_type ( i , j ) ); 
             cluster_participants.push_back ( j );
 
             if ( assign_map.find( cluster_id ) == assign_map.end() ) 
             {  
               is_already_belong_some_cluster[i] = true;
               assign_map.insert ( std::multimap<G4int,G4int>::value_type ( cluster_id , i ) );
               hasThisCompany = true; 
             } 
             assign_map.insert ( std::multimap<G4int,G4int>::value_type ( cluster_id , j ) );  
             is_already_belong_some_cluster[j] = true;
           } 
 
           if ( ichek == i ) 
           {
             ++ichek;
           }
         }
       }
     } 
     if ( hasThisCompany == true ) { ++cluster_id; }
   } 
 
   // sort
   // Heavy cluster comes first
   //             size    cluster_id 
   std::multimap< G4int , G4int > sorted_cluster_map; 
   for ( G4int i = 0 ; i <= id ; ++i )  // << "<=" because id is highest cluster nubmer.
   {
     sorted_cluster_map.insert ( std::multimap<G4int,G4int>::value_type ( (G4int) clusters.count( i ) , i ) );
   }
   
   // create nucleus from divided clusters
   std::vector < G4QMDNucleus* > result;
   for ( auto it = sorted_cluster_map.crbegin(); it != sorted_cluster_map.crend(); ++it ) 
   {
     if ( it->first != 0 ) 
     {
       G4QMDNucleus* nucleus = new G4QMDNucleus();
       for ( auto itt = clusters.cbegin(); itt != clusters.cend(); ++itt )
       {
         if ( it->second == itt->first )
         {
           nucleus->SetParticipant( system->GetParticipant ( itt->second ) );
         }
       }
       result.push_back( nucleus );
     }
   }
 
   // delete participants from current system
   for ( auto it = result.cbegin(); it != result.cend(); ++it ) 
   {
     system->SubtractSystem ( *it ); 
   }
   
   return result;
}

Referenced by G4QMDReaction::ApplyYourself().

◆ DoPropagation()

void G4QMDMeanField::DoPropagation ( G4double dt )

Definition at line 483 of file G4QMDMeanField.cc.

{
   G4double cc2 = 1.0; 
   G4double cc1 = 1.0 - cc2; 
   G4double cc3 = 1.0 / 2.0 / cc2; 
 
   G4double dt3 = dt * cc3;
   G4double dt1 = dt * ( cc1 - cc3 );
   G4double dt2 = dt * cc2;
 
   CalGraduate(); 
 
   G4int n = system->GetTotalNumberOfParticipant();
 
   // 1st Step 
 
   std::vector< G4ThreeVector > f0r, f0p;
   f0r.resize( n );
   f0p.resize( n );
 
   for ( G4int i = 0 ; i < n ; ++i )
   {
      G4ThreeVector ri = system->GetParticipant( i )->GetPosition();  
      G4ThreeVector p3i = system->GetParticipant( i )->GetMomentum();  
 
      ri += dt3* ffr[i];
      p3i += dt3* ffp[i];
 
      f0r[i] = ffr[i];
      f0p[i] = ffp[i];
      
      system->GetParticipant( i )->SetPosition( ri );  
      system->GetParticipant( i )->SetMomentum( p3i );  
 
      // we do not need set total momentum by ourselves
   }
 
   // 2nd Step
 
   Cal2BodyQuantities(); 
   CalGraduate(); 
 
   for ( G4int i = 0 ; i < n ; ++i )
   {
      G4ThreeVector ri = system->GetParticipant( i )->GetPosition();  
      G4ThreeVector p3i = system->GetParticipant( i )->GetMomentum();  
 
      ri += dt1* f0r[i] + dt2* ffr[i];
      p3i += dt1* f0p[i] + dt2* ffp[i];
 
      system->GetParticipant( i )->SetPosition( ri );  
      system->GetParticipant( i )->SetMomentum( p3i );  
 
      // we do not need set total momentum by ourselves
   }
 
   Cal2BodyQuantities();
}

Referenced by G4QMDReaction::ApplyYourself().

◆ GetDepthOfPotential()

std::vector< G4double > G4QMDMeanField::GetDepthOfPotential ( )

◆ GetFFp()

G4ThreeVector G4QMDMeanField::GetFFp ( G4int i )

inline

Definition at line 66 of file G4QMDMeanField.hh.

66{ return ffp[i]; }

◆ GetFFr()

G4ThreeVector G4QMDMeanField::GetFFr ( G4int i )

inline

Definition at line 65 of file G4QMDMeanField.hh.

65{ return ffr[i]; }

◆ GetLocalDensity()

std::vector< G4double > G4QMDMeanField::GetLocalDensity ( )

◆ GetPotential()

G4double G4QMDMeanField::GetPotential ( G4int i )

Definition at line 376 of file G4QMDMeanField.cc.

{
   G4int n = system->GetTotalNumberOfParticipant();
 
   G4double rhoa = 0.0;
   G4double rho3 = 0.0;
   G4double rhos = 0.0;
   G4double rhoc = 0.0;
 
   G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
   G4int inuc = system->GetParticipant(i)->GetNuc();
 
   for ( G4int j = 0 ; j < n ; ++j )
   {
      G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
      G4int jnuc = system->GetParticipant(j)->GetNuc();
 
      rhoa += rha[j][i];
      rhoc += rhe[j][i];
      rhos += rha[j][i] * jnuc * inuc
                        * ( 1 - 2 * std::abs ( jcharge - icharge ) );
   }
 
   rho3 = G4Pow::GetInstance()->powA ( rhoa , gamm );
 
   // return potential
   return c0 * rhoa + c3 * rho3 + cs * rhos + cl * rhoc;
}

Referenced by CalGraduate().

◆ GetRHA()

G4double G4QMDMeanField::GetRHA	(	G4int	i,
		G4int	j )

inline

Definition at line 63 of file G4QMDMeanField.hh.

63{ return rha[i][j]; }

◆ GetRHE()

G4double G4QMDMeanField::GetRHE	(	G4int	i,
		G4int	j )

inline

Definition at line 64 of file G4QMDMeanField.hh.

64{ return rhe[i][j]; }

◆ GetRR2()

G4double G4QMDMeanField::GetRR2	(	G4int	i,
		G4int	j )

inline

Definition at line 61 of file G4QMDMeanField.hh.

61{ return rr2[i][j]; }

Referenced by G4QMDCollision::CalKinematicsOfBinaryCollisions().

◆ GetSystem()

G4QMDSystem * G4QMDMeanField::GetSystem ( )

inline

Definition at line 45 of file G4QMDMeanField.hh.

45{ return system; }

Referenced by G4QMDCollision::SetMeanField().

◆ GetTotalPotential()

G4double G4QMDMeanField::GetTotalPotential ( )

Definition at line 405 of file G4QMDMeanField.cc.

{
   G4int n = system->GetTotalNumberOfParticipant();
 
   std::vector < G4double > rhoa ( n , 0.0 ); 
   std::vector < G4double > rho3 ( n , 0.0 ); 
   std::vector < G4double > rhos ( n , 0.0 ); 
   std::vector < G4double > rhoc ( n , 0.0 ); 
 
   for ( G4int i = 0 ; i < n ; ++i )
   {
      G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
      G4int inuc = system->GetParticipant(i)->GetNuc();
 
      for ( G4int j = 0 ; j < n ; ++j )
      {
         G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
         G4int jnuc = system->GetParticipant(j)->GetNuc();
 
         rhoa[i] += rha[j][i];
         rhoc[i] += rhe[j][i];
         rhos[i] += rha[j][i] * jnuc * inuc 
                 * ( 1 - 2 * std::abs ( jcharge - icharge ) );
      }
 
      rho3[i] = G4Pow::GetInstance()->powA ( rhoa[i] , gamm );
   }
 
   // return potential
   return c0 * std::accumulate( rhoa.cbegin() , rhoa.cend() , 0.0 )
             + c3 * std::accumulate( rho3.cbegin() , rho3.cend() , 0.0 ) 
             + cs * std::accumulate( rhos.cbegin() , rhos.cend() , 0.0 ) 
             + cl * std::accumulate( rhoc.cbegin() , rhoc.cend() , 0.0 );
}

Referenced by G4QMDReaction::ApplyYourself(), G4QMDCollision::CalFinalStateOfTheBinaryCollision(), G4QMDCollision::CalFinalStateOfTheBinaryCollisionJQMD(), G4QMDCollision::CalKinematicsOfBinaryCollisions(), and SetNucleus().

◆ IsPauliBlocked()

G4bool G4QMDMeanField::IsPauliBlocked ( G4int i )

Definition at line 469 of file G4QMDMeanField.cc.

{
    G4bool result = false; 
    
    if ( system->GetParticipant( i )->GetNuc() == 1 )
    {
       G4double pf = calPauliBlockingFactor( i );
       G4double rand = G4UniformRand(); 
       if ( pf > rand ) { result = true; }
    }
 
    return result; 
}

Referenced by G4QMDCollision::CalFinalStateOfTheBinaryCollision(), and G4QMDCollision::CalKinematicsOfBinaryCollisions().

◆ SetNucleus()

void G4QMDMeanField::SetNucleus ( G4QMDNucleus * aSystem )

Definition at line 117 of file G4QMDMeanField.cc.

{
   SetSystem( aNucleus );
 
   G4double totalPotential = GetTotalPotential(); 
   aNucleus->SetTotalPotential( totalPotential );
   aNucleus->CalEnergyAndAngularMomentumInCM();
}

Referenced by G4QMDReaction::ApplyYourself().

◆ SetSystem()

void G4QMDMeanField::SetSystem ( G4QMDSystem * aSystem )

Definition at line 76 of file G4QMDMeanField.cc.

{ 
   system = aSystem; 
 
   G4int n = system->GetTotalNumberOfParticipant();
  
   pp2.clear();
   rr2.clear();
   rbij.clear();
   rha.clear();
   rhe.clear();
   rhc.clear();
 
   rr2.resize( n );
   pp2.resize( n );
   rbij.resize( n );
   rha.resize( n );
   rhe.resize( n );
   rhc.resize( n );
 
   for ( G4int i = 0 ; i < n ; ++i )
   {
      rr2[i].resize( n );
      pp2[i].resize( n );
      rbij[i].resize( n );
      rha[i].resize( n );
      rhe[i].resize( n );
      rhc[i].resize( n );
   }
 
   ffr.clear();
   ffp.clear();
   rh3d.clear();
 
   ffr.resize( n );
   ffp.resize( n );
   rh3d.resize( n );
 
   Cal2BodyQuantities();
}

Referenced by G4QMDReaction::ApplyYourself(), G4QMDGroundStateNucleus::G4QMDGroundStateNucleus(), SetNucleus(), and Update().

◆ Update()

void G4QMDMeanField::Update ( )

Definition at line 741 of file G4QMDMeanField.cc.

{ 
   SetSystem( system ); 
}

Referenced by G4QMDCollision::CalFinalStateOfTheBinaryCollision(), and G4QMDCollision::CalKinematicsOfBinaryCollisions().

The documentation for this class was generated from the following files:

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ G4QMDMeanField()

◆ ~G4QMDMeanField()

Member Function Documentation

◆ Cal2BodyQuantities() [1/2]

◆ Cal2BodyQuantities() [2/2]

◆ CalGraduate()

◆ DoClusterJudgment()

◆ DoPropagation()

◆ GetDepthOfPotential()

◆ GetFFp()

◆ GetFFr()

◆ GetLocalDensity()

◆ GetPotential()

◆ GetRHA()

◆ GetRHE()

◆ GetRR2()

◆ GetSystem()

◆ GetTotalPotential()

◆ IsPauliBlocked()

◆ SetNucleus()

◆ SetSystem()

◆ Update()