5.38. xc.gga_x_pbe¶

Perdew-Burke-Ernzerhof GGA exchange.

Reference: Phys. Rev. Lett. 77, 3865.

Functions

`gga_x_pbe`	Perdew-Burke-Ernzerhof parametrization of the exchange functional (spin-paired).
`gga_x_pbe_spin`	Perdew-Burke-Ernzerhof parametrization of the exchange functional (spin-polarized).
`pbe_x_base`	Base PBE exchange functional to be used in the spin-paired and -polarized case.