triqs.gfs.descriptors.semi

triqs.gfs.descriptors.semi(x)

Return \(\omega \mapsto \rho(\omega)\) for a semicircular DOS with the given half-bandwidth.

See also triqs.gfs.semicirc.

Parameters:

xfloat

Half-bandwidth.

Returns:

callable

rho(omega) evaluating the semicircular density of states.