5.42.1. 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.