gftool.lattice.honeycomb

2D honeycomb lattice.

The honeycomb lattice can be decomposed into triangular sublattices.

half_bandwidth:The half-bandwidth D corresponds to a nearest neighbor hopping of t=2D/3.

API

Functions

dos(eps, half_bandwidth) DOS of non-interacting 2D honeycomb lattice.
dos_moment(m, half_bandwidth) Calculate the m th moment of the honeycomb DOS.
dos_mp(eps[, half_bandwidth]) Multi-precision DOS of non-interacting 2D honeycomb lattice.
gf_z(z, half_bandwidth) Local Green’s function of the 2D honeycomb lattice.
hilbert_transform(xi, half_bandwidth) Hilbert transform of non-interacting DOS of the honeycomb lattice.