triqs_ctseg::params_t¶

#include <triqs_ctseg.hpp>

class params_t

A struct combining both constr_params_t and solve_params_t

Public members¶

beta	double	Inverse temperature
gf_struct	triqs_ctseg::gf_struct_t	Structure of the GF (names, sizes of blocks)
n_tau	int	Number of time slices for \(Delta(\tau)\)/\(G(\tau)\)/\(F(\tau)\)
n_tau_k	int	Number of time slices for \(K(\tau)\)
n_tau_jperp	int	Number of time slices for \(J_\perp(\tau)\)
n_tau_nn	int	Number of Legendre coefficients for G(l)

n_tau_nn | int | Number of Legendre coefficients for G(l) |

\(\mathcal{D}_0(i\omega)\), \(J_\perp(i\omega)\) |

\(\Sigma\) |

n_legendre_g	int
h_int	triqs_ctseg::Op	local Hamiltonian
n_cycles	int	Number of QMC cycles
length_cycle	int	Length of a single QMC cycle
n_warmup_cycles	int	Number of cycles for thermalization
random_seed	int	Seed for random number generator
random_name	std::string	Name of random number generator
max_time	int	Maximum runtime in seconds, use -1 to set infinite
verbosity	int	Verbosity level
move_insert_segment	bool	Whether to perform the move insert segment (see [[move_insert_segment]])
move_remove_segment	bool	Whether to perform the move remove segment (see [[move_remove_segment]])
move_move	bool	Whether to perform the move move segment (see [[move_move]])

move_move | bool | Whether to perform the move move segment (see [[move_move]]) |

[[move_swap_empty_lines]]) |

[[move_group_into_spin_segment]]) |

[[move_split_spin_segment]]) |

[[move_group_into_spin_segment2]]) |

[[move_split_spin_segment2]]) |

keep_Jperp_negative	bool	Whether to keep Jperp negative
measure_gt	bool	Whether to measure G(tau) (see [[measure_gt]])
measure_sign	bool	Whether to measure MC sign (see [[measure_sign]])

measure_sign | bool | Whether to measure MC sign (see [[measure_sign]]) |

isotropic spin-spin interactions if any) |

measure_gl

bool

Whether to measure G(l) (Legendre) (see [[measure_gl]])

measure_gl | bool | Whether to measure G(l) (Legendre) (see [[measure_gl]]) |

(only isotropic spin-spin interactions if any) |

measure_gw	bool	Whether to measure G(iomega) (see [[measure_gw]])
use_nfft_for_gw	bool	Whether to use NFFT in the measurement of gw

use_nfft_for_gw | bool | Whether to use NFFT in the measurement of gw |

isotropic spin-spin interactions if any) |

[[measure_g2w]]) |

use_nfft_for_Mw	bool	Whether to use NFFT for the precomputation of Mw
measure_f2w	bool	Whether to measure two-frequency improved estimator (see [[measure_g2w]])

measure_f2w | bool | Whether to measure two-frequency improved estimator (see [[measure_g2w]]) |

[[measure_g3w]]) |

measure_chipmt	bool	Whether to measure chi_{+-}(tau) (see [[measure_chipmt]])
measure_nn	bool	Whether to measure <nn> (see [[measure_nn]])
measure_nnt	bool	Whether to measure langle n(tau)n(0)rangle (see [[measure_nnt]])
measure_nnw	bool	Whether to measure chi(iomega) (see [[measure_nnw]])
evaluate_vertex	bool	Whether to evaluate vertex functions (see [[evaluate_3w_vertex]])
measure_hist	bool	Whether to measure the perturbation order histogram (see [[measure_hist]])

measure_hist | bool | Whether to measure the perturbation order histogram (see [[measure_hist]]) |

[[measure_hist_composite]]) |

[[measure_statehist]]) |

n_w_f_vertex	int	Number of fermionic Matsubara frequencies for vertex functions
n_w_b_vertex	int	Number of bosonic Matsubara frequencies for vertex functions
fname_gammaw	std::string	File name for 4-leg vertex gammaw

fname_gammaw | std::string | File name for 4-leg vertex gammaw |

Warning: parameter nfft_threshold will not be used because the code has been compiled without NFFT support |

hartree_shift

std::vector<double>

Hartree shift of the chem pot