5.40.1. xc.lda_c_chachiyo.chachiyo_scaling

eminus.xc.lda_c_chachiyo.chachiyo_scaling(zeta)[source]

Weighting factor between the paramagnetic and the ferromagnetic case.

Reference: J. Chem. Phys. 145, 021101.

Parameters:

zeta – Relative spin polarization.

Returns:

Weighting factor and its derivative.