gftool.lattice.bethe
Bethe lattice with infinite coordination number.
This is in fact no real lattice, but a tree. It corresponds to a semi-circular DOS.
- half_bandwidth:
The half_bandwidth corresponds to a scaled nearest neighbor hopping of t=D/2
API
Functions
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DOS of non-interacting Bethe lattice for infinite coordination number. |
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Calculate the m th moment of the Bethe DOS. |
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Multi-precision DOS of non-interacting Bethe lattice for infinite coordination number. |
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First derivative of local Green's function of Bethe lattice for infinite coordination number. |
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Second derivative of local Green's function of Bethe lattice for infinite coordination number. |
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Retarded-time local Green's function of Bethe lattice with Z=∞. |
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Local Green's function of Bethe lattice for infinite coordination number. |
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Inverse of local Green's function of Bethe lattice for infinite coordination number. |
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Hilbert transform of non-interacting DOS of the Bethe lattice. |