gftool.pole_gf_ret_t¶
-
gftool.
pole_gf_ret_t
(tt, poles, weights)¶ Retarded time Green’s function given by a finite number of poles.
- Parameters
- tt(…) float array_like
Green’s function is evaluated at times tt, for tt<0 it is 0.
- poles, weights(…, N) float array_like or float
Position and weight of the poles.
- Returns
- pole_gf_ret_t(…) float np.ndarray
Retarded time Green’s function.
See also
pole_gf_z
corresponding commutator Green’s function