triqs_ctint::solver_core

#include <triqs_ctint/solver_core.hpp>

Detailed Description

The CT-INT solver.

Definition at line 15 of file solver_core.hpp.

Inheritance diagram for triqs_ctint::solver_core:

Public Member Functions
	solver_core (constr_params_t const &constr_params_)
	Construct a CT-INT solver.
void	post_process ()
	Retrigger post-processing with the last set of parameters.
C2PY_IGNORE void	prepare_G0_shift_iw (params_t const &params)
	Calculate the shifted non-interacting Green's function given \( G_0(i\omega) \).
void	solve (solve_params_t const &solve_params)

Public Attributes
constr_params_t	constr_params
	Parameters used to construct the solver.
std::optional< block2_gf< mesh::dlr_imfreq, matrix_valued > >	D0_iw
	Dynamic density-density interaction \( D_0(i\omega) \) in Matsubara frequencies (DLR mesh).
g_iw_t	G0_iw
	Non-interacting Green's function \( G_0(i\omega) \) in Matsubara frequencies.
g_iw_t	G0_iw_inv
	Inverse of the non-interacting Green's function \( G_0^{-1}(i\omega) \).
g_iw_t	G0_shift_iw
	The shifted non-interacting Green's function in Matsubara frequencies.
g_tau_t	G0_shift_tau
	The shifted non-interacting Green's function in imaginary time.
std::optional< gf< mesh::dlr_imfreq, matrix_valued > >	Jperp_iw
	Dynamic spin-spin interaction \( J_\perp(i\omega) \) in Matsubara frequencies (DLR mesh).
std::optional< solve_params_t >	last_solve_params
	Parameters used in the last solve (empty until the solver has been run).
Public Attributes inherited from triqs_ctint::container_set
double	accumulation_time
	Accumulation time in seconds.
double	auto_corr_time
	Auto-correlation time.
double	average_k
	Average perturbation order.
std::optional< double >	average_k_error
	Error bar on the average perturbation order.
mc_weight_t	average_sign
	Average Monte-Carlo sign.
std::optional< double >	average_sign_error
	Error bar on the average sign.
std::optional< chi2_tau_t >	chi2ph_conn_tau_from_M3
	Connected \( \chi^{(2)} \) (particle-hole channel) in imaginary time, obtained from \( M^{(3)} \).
std::optional< chi2_iw_t >	chi2ph_iw
	Correlator \( \chi^{(2)}_{ph}(i\omega) \) (particle-hole channel) in Matsubara frequencies.
std::optional< chi2_iw_t >	chi2ph_iw_from_M3
	Correlator \( \chi^{(2)}_{ph}(i\omega) \) (particle-hole channel), obtained from \( M^{(3)}_{ph}(\tau) \).
std::optional< chi2_tau_t >	chi2ph_tau
	Correlator \( \chi^{(2)}_{ph}(\tau) \) (particle-hole channel) in imaginary time, obtained by operator insertion.
std::optional< chi2_tau_t >	chi2ph_tau_from_M3
	Correlator \( \chi^{(2)}_{ph}(\tau) \) (particle-hole channel), obtained from \( M^{(3)}_{ph}(\tau) \).
std::optional< chi2_tau_t >	chi2pp_conn_tau_from_M3
	Connected \( \chi^{(2)} \) (particle-particle channel) in imaginary time, obtained from \( M^{(3)} \).
std::optional< chi2_iw_t >	chi2pp_iw
	Correlator \( \chi^{(2)}_{pp}(i\omega) \) (particle-particle channel) in Matsubara frequencies.
std::optional< chi2_iw_t >	chi2pp_iw_from_M3
	Correlator \( \chi^{(2)}_{pp}(i\omega) \) (particle-particle channel), obtained from \( M^{(3)}_{pp}(\tau) \).
std::optional< chi2_tau_t >	chi2pp_tau
	Correlator \( \chi^{(2)}_{pp}(\tau) \) (particle-particle channel) in imaginary time, obtained by operator insertion.
std::optional< chi2_tau_t >	chi2pp_tau_from_M3
	Correlator \( \chi^{(2)}_{pp}(\tau) \) (particle-particle channel), obtained from \( M^{(3)}_{pp}(\tau) \).
std::optional< chi2_tau_t >	chi2xph_conn_tau_from_M3
	Connected \( \chi^{(2)} \) (particle-hole-cross channel) in imaginary time, obtained from \( M^{(3)} \).
std::optional< chi2_iw_t >	chi2xph_iw_from_M3
	Correlator \( \chi^{(2)}_{xph}(i\omega) \) (particle-hole-cross channel), obtained from \( M^{(3)}_{xph}(\tau) \).
std::optional< chi2_tau_t >	chi2xph_tau_from_M3
	Correlator \( \chi^{(2)}_{xph}(\tau) \) (particle-hole-cross channel), obtained from \( M^{(3)}_{xph}(\tau) \).
std::optional< chi3_iw_t >	chi3ph_iw
	Correlator \( \chi^{(3)}_{ph}(i\omega) \) (particle-hole channel) in Matsubara frequencies.
std::optional< chi3_iw_t >	chi3ph_iw_nfft
	Correlator \( \chi^{(3)}_{ph}(i\omega) \) (particle-hole channel), obtained from the NFFT \( M^{(3)} \) measurement.
std::optional< chi3_iw_t >	chi3pp_iw
	Correlator \( \chi^{(3)}_{pp}(i\omega) \) (particle-particle channel) in Matsubara frequencies.
std::optional< chi3_iw_t >	chi3pp_iw_nfft
	Correlator \( \chi^{(3)}_{pp}(i\omega) \) (particle-particle channel), obtained from the NFFT \( M^{(3)} \) measurement.
std::optional< chi3_iw_t >	chi3xph_iw
	Correlator \( \chi^{(3)}_{xph}(i\omega) \) (particle-hole-cross channel) in Matsubara frequencies.
std::optional< gf< imfreq > >	chiAB_iw
	Correlation function \( \chi_{AB}(i\omega) \) in Matsubara frequencies.
std::optional< gf< imtime > >	chiAB_tau
	Correlation function \( \chi_{AB}(\tau) \) in imaginary time.
std::optional< block_matrix_t >	density
	The density (measured by operator insertion).
std::optional< chi4_iw_t >	F_iw
	The two-particle vertex function \( F \) in purely fermionic notation.
std::optional< chi4_iw_t >	Fph_iw
	The two-particle vertex function \( F \) (particle-hole channel).
std::optional< chi4_iw_t >	Fpp_iw
	The two-particle vertex function \( F \) (particle-particle channel).
std::optional< chi4_iw_t >	G2_conn_iw
	Connected part of the two-particle Green's function \( G^{(2)} \).
std::optional< chi4_iw_t >	G2_iw
	The two-particle Green's function \( G^{(2)} \).
std::optional< chi4_iw_t >	G2ph_conn_iw
	Connected part of the two-particle Green's function \( G^{(2)} \) (particle-hole channel).
std::optional< chi4_iw_t >	G2ph_iw
	The two-particle Green's function \( G^{(2)} \) (particle-hole channel).
std::optional< chi4_iw_t >	G2pp_conn_iw
	Connected part of the two-particle Green's function \( G^{(2)} \) (particle-particle channel).
std::optional< chi4_iw_t >	G2pp_iw
	The two-particle Green's function \( G^{(2)} \) (particle-particle channel).
g_iw_t	G_iw
	Green's function \( G(i\omega) \) in Matsubara frequencies.
std::optional< std::vector< double > >	histogram
	Perturbation-order distribution.
std::optional< chi2_tau_t >	M3ph_delta
	Equal-time peak of \( M^{(3)}_{ph}(\tau) \).
std::optional< chi3_iw_t >	M3ph_iw
	Building block \( M^{(3)}_{ph}(i\omega) \) (particle-hole channel) for the fermion-boson vertex in Matsubara frequencies.
std::optional< chi3_iw_t >	M3ph_iw_nfft
	Building block \( M^{(3)}_{ph}(i\omega) \) (particle-hole channel) for the fermion-boson vertex, measured using NFFT.
std::optional< chi3_tau_t >	M3ph_tau
	Building block \( M^{(3)}_{ph}(\tau) \) (particle-hole channel) for the fermion-boson vertex in imaginary time.
std::optional< chi2_tau_t >	M3pp_delta
	Equal-time peak of \( M^{(3)}_{pp}(\tau) \).
std::optional< chi3_iw_t >	M3pp_iw
	Building block \( M^{(3)}_{pp}(i\omega) \) (particle-particle channel) for the fermion-boson vertex in Matsubara frequencies.
std::optional< chi3_iw_t >	M3pp_iw_nfft
	Building block \( M^{(3)}_{pp}(i\omega) \) (particle-particle channel) for the fermion-boson vertex, measured using NFFT.
std::optional< chi3_tau_t >	M3pp_tau
	Building block \( M^{(3)}_{pp}(\tau) \) (particle-particle channel) for the fermion-boson vertex in imaginary time.
std::optional< chi2_tau_t >	M3xph_delta
	Equal-time peak of \( M^{(3)}_{xph}(\tau) \).
std::optional< chi3_iw_t >	M3xph_iw
	Building block \( M^{(3)}_{xph}(i\omega) \) (particle-hole-cross channel) for the fermion-boson vertex in Matsubara frequencies.
std::optional< chi3_tau_t >	M3xph_tau
	Building block \( M^{(3)}_{xph}(\tau) \) (particle-hole-cross channel) for the fermion-boson vertex in imaginary time.
std::optional< chi4_iw_t >	M4_iw
	Building block \( M^{(4)}(i\omega) \) for the full vertex, measured in Matsubara frequencies using NFFT.
std::optional< chi4_iw_t >	M4ph_iw
	Building block \( M^{(4)}_{ph}(i\omega) \) (particle-hole channel) for the full vertex, measured using NFFT.
std::optional< chi4_iw_t >	M4pp_iw
	Building block \( M^{(4)}_{pp}(i\omega) \) (particle-particle channel) for the full vertex, measured using NFFT.
std::optional< block_matrix_t >	M_hartree
	Hartree term of \( M(\tau) \).
std::optional< g_iw_t >	M_iw
	Fourier transform of \( M(\tau) \).
std::optional< g_dlr_iw_t >	M_iw_nfft
	Same as \( M(\tau) \), but measured directly in Matsubara frequencies using NFFT on the DLR grid.
std::optional< block_gf< imtime, M_tau_target_t > >	M_tau
	Building block for the Green's function in imaginary time \( M(\tau) \).
uint64_t	nmeasures
	Total number of measurements.
g_iw_t	Sigma_dyn_iw
	Dynamic self-energy \( \Sigma_{dyn}(i\omega) \) in Matsubara frequencies (DLR, decays to zero).
std::optional< block_matrix_t >	Sigma_hartree
	Static (Hartree) part of the self-energy, \( \Sigma = \Sigma_{dyn} + \Sigma_{hartree} \).
double	warmup_time
	Warmup time in seconds.

Constructor & Destructor Documentation

solver_core()

triqs_ctint::solver_core::solver_core

(

constr_params_t const &

constr_params_

)

Construct a CT-INT solver.

Parameters

constr_params_

Set of parameters used to construct the solver.

Definition at line 17 of file solver_core.cpp.

Member Function Documentation

solve()

void triqs_ctint::solver_core::solve

(

solve_params_t const &

solve_params

)

Solve the impurity problem with a CT-INT calculation.

Parameters

solve_params

Set of parameters used for the solve.

Definition at line 46 of file solver_core.cpp.

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

• triqs_ctint/solver_core.hpp
• triqs_ctint/solver_core.cpp