CI::CSF2

Very basic two-electron CSF. Only two-electron is implemented. More...

#include <CSF.hpp>

Public Member Functions
	CSF2 (const DiracSpinor &a, const DiracSpinor &b)
DiracSpinor::Index	state (std::size_t i) const
int	parity () const
	Parity of the CSF, +/-1.
std::string	config (bool relativistic=false) const
	Single-particle configuration as a string, in relativistic or non-rel form.

Static Public Member Functions
static int	num_different (const CSF2 &A, const CSF2 &B)
	Returns number of different orbitals between two CSFs.
static std::array< DiracSpinor::Index, 2 >	diff_1_na (const CSF2 &V, const CSF2 &X)
	returns different orbitals, for case where CSFs differ by 1. i.e., returns {n,a} where |V> = |X_a^n> (i.e., V has n, but not a)
static DiracSpinor::Index	same_1_j (const CSF2 &A, const CSF2 &B)
	Returns the state in A and B that is the same (assumes A and B differ by 1)

Public Attributes
std::array< DiracSpinor::Index, 2 >	states

Friends
bool	operator== (const CSF2 &A, const CSF2 &B)
bool	operator!= (const CSF2 &A, const CSF2 &B)

Detailed Description

Very basic two-electron CSF. Only two-electron is implemented.

Member Function Documentation

num_different()

int CI::CSF2::num_different ( const CSF2 &  A, const CSF2 &  B  )

static

Returns number of different orbitals between two CSFs.

diff_1_na()

std::array< DiracSpinor::Index, 2 > CI::CSF2::diff_1_na ( const CSF2 &  V, const CSF2 &  X  )

static

returns different orbitals, for case where CSFs differ by 1. i.e., returns {n,a} where |V> = |X_a^n> (i.e., V has n, but not a)

same_1_j()

DiracSpinor::Index CI::CSF2::same_1_j ( const CSF2 &  A, const CSF2 &  B  )

static

Returns the state in A and B that is the same (assumes A and B differ by 1)

parity()

int CI::CSF2::parity

(

)

const

Parity of the CSF, +/-1.

config()

std::string CI::CSF2::config

(

bool

relativistic = false

)

const

Single-particle configuration as a string, in relativistic or non-rel form.

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

• CI/CSF.hpp
• CI/CSF.cpp