profess.System.add_wang_govind_carter_1999_i_functional

System.add_wang_govind_carter_1999_i_functional()

Add Wang-Govind-Carter functional (density-independent kernel).

Parameters:

den0float, optional

Uniform reference density. By default (whenever`den0`<0), uses the system-averaged electron density.

Returns:

systemprofess.System