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sc::PW91CFunctional Class Reference The Perdew-Wang 1991 correlation functional computes energies and densities using the designated local correlation functional.
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#include <functional.h >
Inheritance diagram for sc::PW91CFunctional:
[legend ] Collaboration diagram for sc::PW91CFunctional:
[legend ] List of all members.
Public Methods
PW91CFunctional ()
PW91CFunctional (const Ref < KeyVal > &)
PW91CFunctional (StateIn &)
~PW91CFunctional ()
void save_data_state (StateOut &)
Save the base classes (with save_data_state) and the members in the same order that the StateIn CTOR initializes them. More...
int need_density_gradient ()
void point (const PointInputData &, PointOutputData &)
void set_spin_polarized (int)
Protected Methods
void init_constants ()
double limit_df_drhoa (double rhoa, double gamma, double ec, double decdrhoa)
Protected Attributes
Ref < LSDACFunctional > local_
double a
double b
double c
double d
double alpha
double c_c0
double c_x
double nu
Detailed Description
The Perdew-Wang 1991 correlation functional computes energies and densities using the designated local correlation functional.
J. P. Perdew, Proceedings of the 75. WE-Heraeus-Seminar and 21st Annual International Symposium on Electronic Structure of Solids held in Gaussig (Germany), March 11-15, 1991, P. Ziesche and H. Eschrig, eds., pp. 11-20.
J. P. Perdew, J. A. Chevary, S. H. Vosko, K. A. Jackson, M. R. Pederson, and D. J. Singh, Phys. Rev. B, 46, 6671, 1992.
Member Function Documentation
void sc::PW91CFunctional::save_data_state
(
StateOut &
)
[virtual]
Save the base classes (with save_data_state) and the members in the same order that the StateIn CTOR initializes them.
This must be implemented by the derived class if the class has data.
Reimplemented from sc::DenFunctional .
The documentation for this class was generated from the following file:
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