gftool.lattice.box

Green’s function corresponding to a box DOS.

This doesn’t correspond to any real lattice. It is mostly meant as very simple test case, for which we have analytic expressions.

API

Functions

dos(eps, half_bandwidth)

Box-shaped DOS.

dos_moment(m, half_bandwidth)

Calculate the m th moment of the box DOS.

gf_ret_t(tt, half_bandwidth[, center])

Local retarded-time local Green's function corresponding to a box DOS.

gf_z(z, half_bandwidth)

Local Green's function corresponding to a box DOS.