triqs_cthyb::params_t

#include <triqs_cthyb/parameters.hpp>

Detailed Description

A struct combining both constr_params_t and solve_params_t.

Definition at line 234 of file parameters.hpp.

Inheritance diagram for triqs_cthyb::params_t:

Additional Inherited Members
Public Attributes inherited from triqs_cthyb::triqs_cthyb::constr_parameters_t
double	beta
	Inverse temperature \( \beta \).
bool	delta_interface = false
	Use \( \Delta(\tau) \) and \( h_{loc0} \) as input instead of \( G_0(i\omega) \).
gf_struct_t	gf_struct
	Structure of the Green's function (names and sizes of blocks).
int	n_iw = 1025
	Number of Matsubara frequencies.
int	n_l = 50
	Number of Legendre polynomials.
int	n_tau = 10001
	Number of imaginary-time points.
Public Attributes inherited from triqs_cthyb::triqs_cthyb::solve_parameters_t
int	det_init_size = 100
	The maximum size of the determinant matrix before a resize.
int	det_n_operations_before_check = 100
	Maximum number of operations before testing the accuracy of \( \det(M) \) and \( M^{-1} \).
double	det_precision_error = 1.e-5
	Threshold for determinant precision error.
double	det_precision_warning = 1.e-8
	Threshold for determinant precision warnings.
double	det_singular_threshold = -1
	Bound for the determinant matrix being singular (if \( < 0 \), checks for subnormal numbers).
many_body_op_t	h_int
	Interacting part of the atomic Hamiltonian.
std::optional< many_body_op_t >	h_loc0 = {}
	Quadratic part of the local Hamiltonian. Must be provided if the \( \Delta \) interface is used.
double	imag_threshold = 1.e-13
	Threshold below which imaginary components of \( \Delta \) and \( h_{loc} \) are set to zero.
std::optional< configuration >	initial_configuration = {}
	Initial configuration of the run (advanced, use with care).
long	length_cycle = 50
	Length of a single QMC cycle.
int	loc_n_max = INT_MAX
	Restrict local Hilbert space to states with at most this number of particles.
int	loc_n_min = 0
	Restrict local Hilbert space to states with at least this number of particles.
long	max_time = -1
	Maximum runtime in seconds, use -1 to set infinite.
bool	measure_density_matrix = false
	Measure the reduced impurity density matrix?
block_order	measure_G2_block_order = block_order::AABB
	Order of block indices in the definition of \( G^{(2)} \).
std::set< std::pair< std::string, std::string > >	measure_G2_blocks = {}
	List of block index pairs of \( G^{(2)} \) to measure.
bool	measure_G2_iw = false
	Measure \( G^{(2)}(i\nu,i\nu',i\nu'') \) with three fermionic frequencies.
bool	measure_G2_iw_nfft = false
	Measure \( G^{(2)}(i\nu,i\nu',i\nu'') \) with three fermionic frequencies.
bool	measure_G2_iw_ph = false
	Measure \( G^{(2)}(i\omega,i\nu,i\nu') \) in the particle-hole channel.
bool	measure_G2_iw_ph_nfft = false
	Measure \( G^{(2)}(i\omega,i\nu,i\nu') \) in the particle-hole channel.
bool	measure_G2_iw_pp = false
	Measure \( G^{(2)}(i\omega,i\nu,i\nu') \) in the particle-particle channel.
bool	measure_G2_iw_pp_nfft = false
	Measure \( G^{(2)}(i\omega,i\nu,i\nu') \) in the particle-particle channel.
int	measure_G2_iwll_nfft_buf_size = 100
	NFFT buffer size for the \( G^{(2)}(i\omega,l,l') \) measurement.
bool	measure_G2_iwll_ph = false
	Measure \( G^{(2)}(i\omega,l,l') \) in the particle-hole channel.
bool	measure_G2_iwll_pp = false
	Measure \( G^{(2)}(i\omega,l,l') \) in the particle-particle channel.
int	measure_G2_n_bosonic = 30
	Number of bosonic Matsubara frequencies for the \( G^{(2)} \) measurement.
int	measure_G2_n_fermionic = 30
	Number of fermionic Matsubara frequencies for the \( G^{(2)} \) measurement.
int	measure_G2_n_l = 20
	Number of Legendre coefficients for the \( G^{(2)}(i\omega,l,l') \) measurement.
int	measure_G2_n_tau = 10
	Number of imaginary-time slices for the \( G^{(2)} \) measurement.
bool	measure_G2_tau = false
	Measure \( G^{(2)}(\tau,\tau',\tau'') \) with three fermionic times.
bool	measure_G_l = false
	Measure \( G_l \) (Legendre)? No hermiticity is enforced.
bool	measure_G_tau = true
	Measure \( G(\tau) \)? Hermiticity \( G_{ij}(\tau) = G_{ji}^*(\tau) \) is enforced.
std::optional< std::pair< many_body_op_t, many_body_op_t > >	measure_O_tau = {}
	Measure \( O(\tau) \) by insertion.
int	measure_O_tau_min_ins = 10
	Minimum number of operator insertions in the \( O(\tau) \) insertion measure.
bool	measure_pert_order = false
	Measure perturbation order?
bool	move_double = true
	Add double insertions as a move?
std::map< std::string, indices_map_t >	move_global = {}
	List of global moves (with their names). Each move is specified with an index substitution dictionary.
double	move_global_prob = 0.05
	Overall probability of the global moves.
bool	move_shift = true
	Add shifting an operator as a move?
long	n_cycles
	Number of QMC cycles.
long	n_warmup_cycles = 5000
	Number of cycles for thermalization.
std::map< std::string, long >	nfft_buf_sizes = {}
	NFFT buffer sizes for different blocks.
double	off_diag_threshold = 0.0
	Threshold below which off-diagonal components of \( h_{loc} \) are set to zero.
std::string	partition_method = "autopartition"
	Partition method.
bool	performance_analysis = false
	Analyse performance of the trace computation with histograms (developers only)?
std::map< std::string, double >	proposal_prob = {}
	Operator insertion/removal probabilities for different blocks.
std::vector< many_body_op_t >	quantum_numbers = {}
	Quantum numbers.
std::string	random_name = ""
	Name of random number generator.
long	random_seed = 34788 + 928374 * mpi::communicator().rank()
	Seed for random number generator.
bool	use_norm_as_weight = false
	Use the norm of the density matrix in the weight (instead of the trace)?
bool	use_trace_estimator = false
	Calculate the full trace or use an estimate?
int	verbosity = ((mpi::communicator().rank() == 0) ? 3 : 0)
	Verbosity level.

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The documentation for this struct was generated from the following file:

• triqs_cthyb/parameters.hpp