triqs.gf.backwd_compat.gf_refreq.GfReFreq
-
class
triqs.gf.backwd_compat.gf_refreq.
GfReFreq
(**kw)[source] - mesh: MeshReFreq, optional
- The mesh of the Green function If not present, it will be constructed from the parameters beta, indices, [n_points], [statistic]
- data: numpy.array, optional
- The data of the Gf. Must be of dimension mesh.rank + target_rank. Incompatible with target_shape
- target_shape: list of int, optional
- Shape of the target space. Incompatible with data
- is_real: bool
- Is the Green function real valued ? If true, and target_shape is set, the data will be real. No effect with the parameter data.
- indices: GfIndices or list of str or list of list of str, Optional
- Optional string indices for the target space, to allow e.g g[‘eg’, ‘eg’] list of list of str: the list of indices for each dimension. list of str: all indices are assumed to be the same for all dimensions.
- name: str
- The name of the Green function. For plotting.
Methods
GfIndices (*args, **kw) |
|
__init__ (**kw) |
Same as Gf, but can rebuild the mesh for backward compatibility |
conjugate () |
Conjugate of the Greens function. |
copy () |
Deep copy of the Greens function. |
copy_from (another) |
Copy the data of another Greens function into self. |
density (*args, **kwargs) |
Compute the density matrix of the Greens function |
enforce_discontinuity (*args, **kw) |
Signature : (gf_view<triqs::gfs::legendre,matrix_valued> gl, matrix_view<double> disc) -> None Modify the coefficient to adjust discontinuity |
fit_hermitian_tail (*args, **kw) |
tail |
fit_hermitian_tail_on_window (*args, **kw) |
Signature : (gf_const_view<imfreq,matrix_valued> g, int n_min, int n_max, array_const_view<dcomplex,3> known_moments, int n_tail_max, int expansion_order) -> std::pair<array<dcomplex,3>, double> Fits the tail on the [n_min, n_max] window + negative counter part with the contraint of hermitian moment matrices |
fit_tail (*args, **kw) |
tail |
fit_tail_on_window (*args, **kw) |
Signature : (gf_const_view<imfreq,matrix_valued> g, int n_min, int n_max, array_const_view<dcomplex,3> known_moments, int n_tail_max, int expansion_order) -> std::pair<array<dcomplex,3>, double> Fits the tail on the [n_min, n_max] window + negative counter part |
from_L_G_R (L, G, R) |
Matrix transform of the target space of a matrix valued Greens function. |
inverse () |
Computes the inverse of the Greens function. |
invert () |
Inverts the Greens function (in place). |
is_gf_hermitian (*args, **kw) |
Signature : (gf<imfreq,scalar_valued> g, float tolerance = 1.e-12) -> bool |
is_gf_real_in_tau (*args, **kw) |
Signature : (gf<imfreq,scalar_valued> g, float tolerance = 1.e-12) -> bool |
rebinning_tau (*args, **kw) |
Signature : (gf_view<imtime,matrix_valued> g, int new_n_tau) -> gf<imtime, matrix_valued> Rebins the data of a GfImTime on a sparser mesh |
replace_by_tail (*args, **kw) |
Signature : (gf_view<imfreq,matrix_valued> g, array_const_view<dcomplex,3> tail, int n_min) -> None Replace the function by the evaluation of the tail for |n| > n_min |
replace_by_tail_in_fit_window (*args, **kw) |
Signature : (gf_view<imfreq,matrix_valued> g, array_const_view<dcomplex,3> tail) -> None Replace the function by the evaluation of the tail for |n| > n_min |
set_from_fourier (*args, **kw) |
Fills self with the Fourier transform of g_in |
set_from_imfreq (*args, **kw) |
Fills self with the legendre transform of gw |
set_from_imtime (*args, **kw) |
Fills self with the legendre transform of gt |
set_from_legendre (*args, **kw) |
Fills self with the legendre transform of gl |
set_from_pade (*args, **kw) |
Signature : (gf_view<refreq,matrix_valued> gw, gf_view<imfreq,matrix_valued> giw, int n_points = 100, float freq_offset = 0.0) -> None |
total_density (*args, **kwargs) |
Compute total density. |
transpose () |
Take the transpose of a matrix valued Greens function. |
x_data_view ([x_window, flatten_y]) |
Helper method for getting a view of the data. |
zero () |
Set all values to zero. |
Attributes
data |
Raw data of the Greens function. |
imag |
A Greens function with a view of the imaginary part. |
indices |
The index object of the target space. |
mesh |
The mesh of the Greens function. |
rank |
The mesh rank (number of meshes). |
real |
A Greens function with a view of the real part. |
target_rank |
The rank of the target space. |
target_shape |
The shape of the target space. |