triqs_xca.impurity.Fastdiagram

class triqs_xca.impurity.Fastdiagram

Class responsible for fast diagram calculation of a given impurity problem using hybridization expansion.

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Dispatched C++ constructor(s).

[1] (beta: float, lambda: float, itops: ImTimeOps, F: ndarray[complex, 3], F_dag: ndarray[complex, 3])

Constructor for fastdiagram, construct itops and diagram topology matrices

Parameters:

betafloat

inverse temperature

lambdafloat

DLR cutoff parameter

itopsImTimeOps

CPPDLR imaginary time operations object

Fndarray[complex, 3]

impurity annihilation operator in pseudo-particle space, of size n*N*N

F_dagndarray[complex, 3]

impurity creation operator in pseudo-particle space, of size n*N*N

Attributes

Deltaiw
Deltaiw_reflect
dlr_if_dense

Methods

G_calc	Compute impurity Green's function diagram of certain order, given pseudo-particle Green's function G(t)
G_calc_group	Dispatched C++ function(s).
Sigma_calc	Compute pseudo-particle self energy diagram of certain order, given pseudo-particle Green's function G(t)
Sigma_calc_group	Dispatched C++ function(s).
copy_aaa_result	Dispatched C++ function(s).
free_greens	free green's function, wrapped from free_gf of cppdlr
free_greens_ppsc	free pseudo-particle green's function, wrapped from free_gf_ppsc
get_it_actual	Dispatched C++ function(s).
hyb_decomposition	calculate decomposition and reflection of hybridization Deltat
hyb_init	Dispatched C++ function(s).
number_of_diagrams	Dispatched C++ function(s).
partition_function	Dispatched C++ function(s).
time_ordered_dyson	Dispatched C++ function(s).