triqs_Nevanlinna::solver_core

#include <triqs_Nevanlinna/solver_core.hpp>

Detailed Description

Nevanlinna analytical continuation solver for TRIQS Green's functions.

Performs analytical continuation for the diagonal part of the matrix-values TRIQS Green's function.

Definition at line 19 of file solver_core.hpp.

Public Member Functions
	solver_core (Nevanlinna_parameters_t const &p)
	Construct the solver.
C2PY_PROPERTY_GET(Pick_eigenvalues) nda	C2PY_PROPERTY_GET (size) size_t size() const
	Eigenvalues of the Pick matrix (non-negative eigenvalues indicate the data is continuable).
triqs::gfs::gf< triqs::mesh::refreq >	evaluate (const triqs::mesh::refreq &grid, double eta)
	Evaluate diagonal part of the real-frequency Green's function on a chosen grid.
triqs::gfs::gf< triqs::mesh::refreq >	evaluate (const triqs::mesh::refreq &grid, double eta, nda::array_const_view< std::complex< double >, 3 > theta)
	Evaluate the real-frequency Green's function on a chosen grid using Hardy-function optimization.
solver_core &	operator= (solver_core const &)=delete
	Copy/Move assignment.
void	solve (triqs::gfs::gf_const_view< triqs::mesh::imfreq > g_iw)
	Perform a Nevanlinna factorization for a matrix-valued Matsubara frequency Green's function.

Constructor & Destructor Documentation

solver_core()

triqs_Nevanlinna::solver_core::solver_core

(

Nevanlinna_parameters_t const &

p

)

Construct the solver.

Parameters

p	Construction parameters (kernel choice and multiprecision precision).

Definition at line 32 of file solver_core.cpp.

Member Function Documentation

C2PY_PROPERTY_GET()

C2PY_PROPERTY_GET(Pick_eigenvalues) nda triqs_Nevanlinna::solver_core::C2PY_PROPERTY_GET ( size ) const

inlinenodiscard

Eigenvalues of the Pick matrix (non-negative eigenvalues indicate the data is continuable).

Number of orbitals (matrix dimension) of the continued Green's function.

Definition at line 71 of file solver_core.hpp.

evaluate() [1/2]

triqs::gfs::gf< triqs::mesh::refreq > triqs_Nevanlinna::solver_core::evaluate ( const triqs::mesh::refreq & grid, double eta )

nodiscard

Evaluate diagonal part of the real-frequency Green's function on a chosen grid.

Uses the precomputed Nevanlinna factorization.

Parameters

grid	Real frequency grid.
eta	Lorentzian broadening.

Returns

Real-frequency matrix-valued TRIQS Green's function on a chosen grid.

Definition at line 13 of file solver_core.cpp.

evaluate() [2/2]

triqs::gfs::gf< triqs::mesh::refreq > triqs_Nevanlinna::solver_core::evaluate ( const triqs::mesh::refreq & grid, double eta, nda::array_const_view< std::complex< double >, 3 > theta )

nodiscard

Evaluate the real-frequency Green's function on a chosen grid using Hardy-function optimization.

Parameters

grid	Real frequency grid.
eta	Lorentzian broadening.
theta	Hardy-function basis coefficients used to optimize the spectral function.

Returns

Real-frequency matrix-valued TRIQS Green's function on a chosen grid.

Definition at line 17 of file solver_core.cpp.

solve()

void triqs_Nevanlinna::solver_core::solve

(

triqs::gfs::gf_const_view< triqs::mesh::imfreq >

g_iw

)

Perform a Nevanlinna factorization for a matrix-valued Matsubara frequency Green's function.

Parameters

g_iw	Matrix-valued Matsubara frequency Green's function.

Definition at line 7 of file solver_core.cpp.

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The documentation for this class was generated from the following files:

• triqs_Nevanlinna/solver_core.hpp
• triqs_Nevanlinna/solver_core.cpp