| sc::PBECFunctional(3) | MPQC | sc::PBECFunctional(3) |
sc::PBECFunctional - Implements the Perdew-Burke-Ernzerhof (PBE) correlation functional.
#include <functional.h>
Inherits sc::DenFunctional.
PBECFunctional (const Ref< KeyVal >
&)
PBECFunctional (StateIn &)
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. int
need_density_gradient ()
void point (const PointInputData &, PointOutputData
&)
void set_spin_polarized (int)
void init_constants ()
double rho_deriv (double rho_a, double rho_b, double mdr, double
ec_local, double ec_local_dra)
double gab_deriv (double rho, double phi, double mdr, double ec_local)
Ref< LSDACFunctional > local_
double gamma
double beta
Implements the Perdew-Burke-Ernzerhof (PBE) correlation functional.
John P. Perdew, Kieron Burke, and Yue Wang, Phys. Rev. B, 54(23), pp. 16533-16539, 1996.
John P. Perdew, Kieron Burke, and Matthias Ernzerhof, Phys. Rev. Lett., 77(18), pp. 3865-3868, 1996.
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.
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