gftool.lattice.lieb¶
2D Lieb lattice.
The lieb lattice can be decomposed into square and a
dispersionless flat band.
| half_bandwidth: | The half-bandwidth D corresponds to a nearest neighbor hopping of t=D * 2**1.5 |
|---|
API¶
Functions
dos(eps, half_bandwidth) |
DOS of non-interacting 2D Lieb lattice. |
dos_moment(m, half_bandwidth) |
Calculate the m th moment of the Lieb DOS. |
dos_mp(eps[, half_bandwidth]) |
Multi-precision DOS of non-interacting 2D lieb lattice. |
gf_z(z, half_bandwidth) |
Local Green’s function of the 2D Lieb lattice. |
hilbert_transform(xi, half_bandwidth) |
Hilbert transform of non-interacting DOS of the lieb lattice. |