ampsci
c++ program for high-precision atomic structure calculations of single-valence systems
Public Member Functions | List of all members
DiracOperator::E1final

Electric dipole operator: -|e|r = -er. More...

#include <Ek.hpp>

Inherits DiracOperator::Ek.

Public Member Functions

 E1 (const Grid &gr)
 
- Public Member Functions inherited from DiracOperator::Ek
 Ek (const Grid &gr, const int k)
 
double angularF (const int ka, const int kb) const override final
 angularF: links radiation integral to RME. RME = <a||h||b> = angularF(a,b) * radial_int(a,b)
 
std::string name () const override
 Returns "name" of operator (e.g., 'E1')
 
std::string units () const override
 Returns units of operator (usually au, may be MHz, etc.)
 
- Public Member Functions inherited from DiracOperator::TensorOperator
bool freqDependantQ () const
 
bool isZero (const int ka, int kb) const
 If matrix element <a|h|b> is zero, returns true.
 
bool isZero (const DiracSpinor &Fa, const DiracSpinor &Fb) const
 
bool selectrion_rule (int twoJA, int piA, int twoJB, int piB) const
 
virtual void updateFrequency (const double)
 Update frequency for frequency-dependant operators.
 
void scale (double lambda)
 Permanently re-scales the operator by constant, lambda.
 
const std::vector< double > & getv () const
 Returns a const ref to vector v.
 
double getc () const
 Returns a const ref to constant c.
 
int get_d_order () const
 
bool imaginaryQ () const
 returns true if operator is imaginary (has imag MEs)
 
int rank () const
 
int parity () const
 returns parity, as integer (+1 or -1)
 
int symm_sign (const DiracSpinor &Fa, const DiracSpinor &Fb) const
 returns relative sign between <a||x||b> and <b||x||a>
 
virtual double angularCff (int, int) const
 
virtual double angularCgg (int, int) const
 
virtual double angularCfg (int, int) const
 
virtual double angularCgf (int, int) const
 
virtual DiracSpinor radial_rhs (const int kappa_a, const DiracSpinor &Fb) const
 radial_int = Fa * radial_rhs(a, Fb) (a needed for angular factor)
 
virtual double radialIntegral (const DiracSpinor &Fa, const DiracSpinor &Fb) const
 Defined via <a||h||b> = angularF(a,b) * radialIntegral(a,b) (Note: if radial_rhs is overridden, then radialIntegral must also be_.
 
double rme3js (const int twoja, const int twojb, int two_mb=1, int two_q=0) const
 ME = rme3js * RME.
 
DiracSpinor reduced_rhs (const int ka, const DiracSpinor &Fb) const
 <a||h||b> = Fa * reduced_rhs(a, Fb) (a needed for angular factor)
 
DiracSpinor reduced_lhs (const int ka, const DiracSpinor &Fb) const
 <b||h||a> = Fa * reduced_lhs(a, Fb) (a needed for angular factor)
 
double reducedME (const DiracSpinor &Fa, const DiracSpinor &Fb) const
 The reduced matrix element.
 
double fullME (const DiracSpinor &Fa, const DiracSpinor &Fb, std::optional< int > two_ma=std::nullopt, std::optional< int > two_mb=std::nullopt, std::optional< int > two_q=std::nullopt) const
 Returns "full" matrix element, for optional (ma, mb, q) [taken as int 2*]. If not specified, returns z-component (q=0), with ma=mb=min(ja,jb)
 

Additional Inherited Members

- Protected Member Functions inherited from DiracOperator::TensorOperator
 TensorOperator (int rank_k, Parity pi, double constant=1.0, const std::vector< double > &inv={}, int diff_order=0, Realness RorI=Realness::real, bool freq_dep=false)
 
- Protected Attributes inherited from DiracOperator::TensorOperator
int m_rank
 
Parity m_parity
 
int m_diff_order
 
Realness opC
 
bool m_freqDependantQ {false}
 
double m_constant
 
std::vector< double > m_vec
 

Detailed Description

Electric dipole operator: -|e|r = -er.

\[<a||d||b> = R (-1)^{ja+1/2} \sqrt{[ja][jb]} \, tjs(ja,jb,1, -1/2,1/2,0)\]

\[<a||d||b> = R <k_a||C^k||k_b>\]

\[R = -e \int r(f_a f_b + g_a g_b) \, dr\]


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