MPQC
3.0.0-alpha
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CorrelationFactor is a set of one or more two-particle functions of the interparticle distance. More...
#include <chemistry/qc/mbptr12/r12technology.h>
Public Member Functions | |
CorrelationFactor (const std::string &label, const Ref< GeminalDescriptor > &geminaldescriptor) | |
Definitions of primitive and contracted Geminals. More... | |
virtual bool | equiv (const Ref< CorrelationFactor > &cf) const =0 |
const std::string & | label () const |
Returns label. | |
virtual unsigned int | nfunctions () const |
Returns the number of contracted two-particle functions in the set. | |
virtual unsigned int | nprimitives (unsigned int c) const |
Returns the number of primitive functions in contraction c. | |
virtual double | value (unsigned int c, double r12) const =0 |
Computes value of function c when electrons are at distance r12. | |
virtual Ref< TwoBodyIntDescr > | tbintdescr (const Ref< Integral > &IF, unsigned int f) const |
Returns TwoBodyIntDescr needed to compute matrix elements where correlation function f appears in either bra or ket only. | |
virtual Ref< TwoBodyIntDescr > | tbintdescr (const Ref< Integral > &IF, unsigned int fbra, unsigned int fket) const |
Returns TwoBodyIntDescr needed to compute matrix elements where correlation functions fbra and fket appear in bra or ket, respectively. | |
virtual unsigned int | max_num_tbint_types () const =0 |
Returns the maximum number of two-body integral types produced by the appropriate integral evaluator. | |
virtual TwoBodyOper::type | tbint_type_eri () const |
Returns TwoBodyOper::type corresponding to electron repulsion integrals. | |
virtual TwoBodyOper::type | tbint_type_f12 () const |
Returns TwoBodyOper::type corresponding to integrals over correlation operator. | |
virtual TwoBodyOper::type | tbint_type_t1f12 () const |
Returns TwoBodyOper::type corresponding to integrals over [T1,f12]. | |
virtual TwoBodyOper::type | tbint_type_t2f12 () const |
Returns TwoBodyOper::type corresponding to integrals over [T2,f12]. | |
virtual TwoBodyOper::type | tbint_type_f12eri () const |
Returns TwoBodyOper::type corresponding to integrals over f12/r12. | |
virtual TwoBodyOper::type | tbint_type_f12f12 () const |
Returns TwoBodyOper::type corresponding to integrals over f12^2. | |
virtual TwoBodyOper::type | tbint_type_f12t1f12 () const |
Returns TwoBodyOper::type corresponding to integrals over [f12,[T1,f12]]. | |
virtual TwoBodyOper::type | tbint_type_f12f12_anti () const |
Returns TwoBodyOper::type corresponding to integrals over f12*f12' antisymmetrized wrt exponents, i.e. More... | |
void | print (std::ostream &os=ExEnv::out0()) const |
print the correlation factor | |
Ref< GeminalDescriptor > | geminaldescriptor () |
Public Member Functions inherited from sc::RefCount | |
size_t | identifier () const |
Return the unique identifier for this object that can be compared for different objects of different types. More... | |
int | lock_ptr () const |
Lock this object. | |
int | unlock_ptr () const |
Unlock this object. | |
void | use_locks (bool inVal) |
start and stop using locks on this object | |
refcount_t | nreference () const |
Return the reference count. | |
refcount_t | reference () |
Increment the reference count and return the new count. | |
refcount_t | dereference () |
Decrement the reference count and return the new count. | |
int | managed () const |
void | unmanage () |
Turn off the reference counting mechanism for this object. More... | |
Protected Member Functions | |
virtual void | print_params (std::ostream &os, unsigned int f) const |
Print out parameters of function f. Base implementation prints nothing. | |
Protected Member Functions inherited from sc::RefCount | |
RefCount (const RefCount &) | |
RefCount & | operator= (const RefCount &) |
Protected Attributes | |
std::string | label_ |
Ref< GeminalDescriptor > | geminaldescriptor_ |
CorrelationFactor is a set of one or more two-particle functions of the interparticle distance.
Each function may be a primitive function or a contraction of several functions.
sc::R12Technology::CorrelationFactor::CorrelationFactor | ( | const std::string & | label, |
const Ref< GeminalDescriptor > & | geminaldescriptor | ||
) |
Definitions of primitive and contracted Geminals.
Vector of contracted 2 particle functions
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virtual |
Returns TwoBodyOper::type corresponding to integrals over f12*f12' antisymmetrized wrt exponents, i.e.
f12*f12' (exp(f12')-exp(f12))/(exp(f12')+exp(f12))
Reimplemented in sc::R12Technology::G12NCCorrelationFactor.