CTSEG - TRIQS segment picture solver
Install CTSEG
Packaged Versions of CTSEG
Ubuntu Debian packages
Anaconda
Docker
Compiling CTSEG from source
Prerequisites
Installation steps
Version compatibility
Custom CMake options
Documentation
Algorithm and implementation
The CTSEG double expansion algorithm
Double expansion
Configuration
Sign
Implementation notes
Solver core
Inputs
Configuration
Imaginary time points
Work data
Determinants
Miscellaneous
Automatic tests
User guide
Step-by-step guide
Step 1 - Choose the construction parameters
Green’s function structure
Step 2 - Construct the solver
Step 3 - Supply the solver inputs
Local Hamiltonian
Hybridization function
Dynamical density-density interaction
Spin-spin interaction
Conditions for half-filling
Solve parameters
Step 4 - Run the solver
Step 5 - Access the results
Step 6 - Save the results
Running the solver in parallel
Monte Carlo moves
Insert segment
Remove segment
Split segment
Regroup segment
Move segment
Double insert segment
Double remove segment
Insert spin segment
Remove spin segment
Swap spin lines
Split spin segment
Regroup spin segment
Measurements
Imaginary time Green’s function
Self-energy improved estimator
Density
Static density correlation function
Dynamic density correlation function
Two-particle, three-frequency Green’s function
Two-particle, two-frequency Green’s function
Perpendicular spin-spin correlation function
State histogram
Average sign
Perturbation order histograms
Tutorials
One-boson retarded interaction
Simulating the retarded action
\(\mathcal{S}\)
Single particle Green’s function
Dynamic density correlation
Python reference manual
triqs_ctseg.solver
triqs_ctseg.solver.Solver
Solver
triqs_ctseg.solver.Solver.D0_tau
triqs_ctseg.solver.Solver.Delta_tau
triqs_ctseg.solver.Solver.Jperp_tau
triqs_ctseg.solver.Solver.constr_params
triqs_ctseg.solver.Solver.results
triqs_ctseg.solver.Solver.solve_params
triqs_ctseg.solver.Solver.solve
triqs_ctseg.solver_core
triqs_ctseg.solver_core.ConstrParamsT
ConstrParamsT
triqs_ctseg.solver_core.ConstrParamsT.beta
triqs_ctseg.solver_core.ConstrParamsT.gf_struct
triqs_ctseg.solver_core.ConstrParamsT.n_tau
triqs_ctseg.solver_core.ConstrParamsT.n_tau_bosonic
triqs_ctseg.solver_core.ResultsT
ResultsT
triqs_ctseg.solver_core.ResultsT.F_tau
triqs_ctseg.solver_core.ResultsT.G_tau
triqs_ctseg.solver_core.ResultsT.Sperp_tau
triqs_ctseg.solver_core.ResultsT.average_order_Delta
triqs_ctseg.solver_core.ResultsT.average_order_Jperp
triqs_ctseg.solver_core.ResultsT.average_sign
triqs_ctseg.solver_core.ResultsT.densities
triqs_ctseg.solver_core.ResultsT.g2w
triqs_ctseg.solver_core.ResultsT.g3w
triqs_ctseg.solver_core.ResultsT.nn_nu_dlr
triqs_ctseg.solver_core.ResultsT.nn_static
triqs_ctseg.solver_core.ResultsT.nn_tau
triqs_ctseg.solver_core.ResultsT.pert_order_Delta
triqs_ctseg.solver_core.ResultsT.pert_order_Jperp
triqs_ctseg.solver_core.ResultsT.state_hist
triqs_ctseg.solver_core.SolveParamsT
SolveParamsT
triqs_ctseg.solver_core.SolveParamsT.det_init_size
triqs_ctseg.solver_core.SolveParamsT.det_n_operations_before_check
triqs_ctseg.solver_core.SolveParamsT.det_precision_error
triqs_ctseg.solver_core.SolveParamsT.det_precision_warning
triqs_ctseg.solver_core.SolveParamsT.det_singular_threshold
triqs_ctseg.solver_core.SolveParamsT.dlr_epsilon
triqs_ctseg.solver_core.SolveParamsT.dlr_omega_max
triqs_ctseg.solver_core.SolveParamsT.h_int
triqs_ctseg.solver_core.SolveParamsT.h_loc0
triqs_ctseg.solver_core.SolveParamsT.histogram_max_order
triqs_ctseg.solver_core.SolveParamsT.length_cycle
triqs_ctseg.solver_core.SolveParamsT.max_time
triqs_ctseg.solver_core.SolveParamsT.measure_F_tau
triqs_ctseg.solver_core.SolveParamsT.measure_G_tau
triqs_ctseg.solver_core.SolveParamsT.measure_Sperp_tau
triqs_ctseg.solver_core.SolveParamsT.measure_average_sign
triqs_ctseg.solver_core.SolveParamsT.measure_densities
triqs_ctseg.solver_core.SolveParamsT.measure_g2w
triqs_ctseg.solver_core.SolveParamsT.measure_g3w
triqs_ctseg.solver_core.SolveParamsT.measure_nn_nu_dlr
triqs_ctseg.solver_core.SolveParamsT.measure_nn_static
triqs_ctseg.solver_core.SolveParamsT.measure_nn_tau
triqs_ctseg.solver_core.SolveParamsT.measure_pert_order
triqs_ctseg.solver_core.SolveParamsT.measure_state_hist
triqs_ctseg.solver_core.SolveParamsT.move_double_insert_segment
triqs_ctseg.solver_core.SolveParamsT.move_double_remove_segment
triqs_ctseg.solver_core.SolveParamsT.move_insert_segment
triqs_ctseg.solver_core.SolveParamsT.move_insert_spin_segment
triqs_ctseg.solver_core.SolveParamsT.move_move_segment
triqs_ctseg.solver_core.SolveParamsT.move_regroup_segment
triqs_ctseg.solver_core.SolveParamsT.move_regroup_spin_segment
triqs_ctseg.solver_core.SolveParamsT.move_remove_segment
triqs_ctseg.solver_core.SolveParamsT.move_remove_spin_segment
triqs_ctseg.solver_core.SolveParamsT.move_split_segment
triqs_ctseg.solver_core.SolveParamsT.move_split_spin_segment
triqs_ctseg.solver_core.SolveParamsT.move_swap_spin_lines
triqs_ctseg.solver_core.SolveParamsT.n_cycles
triqs_ctseg.solver_core.SolveParamsT.n_tau_G
triqs_ctseg.solver_core.SolveParamsT.n_tau_chi2
triqs_ctseg.solver_core.SolveParamsT.n_w_b_vertex
triqs_ctseg.solver_core.SolveParamsT.n_w_f_vertex
triqs_ctseg.solver_core.SolveParamsT.n_warmup_cycles
triqs_ctseg.solver_core.SolveParamsT.random_name
triqs_ctseg.solver_core.SolveParamsT.random_seed
triqs_ctseg.solver_core.SolveParamsT.verbosity
triqs_ctseg.solver_core.SolveParamsT.visualize_config
triqs_ctseg.solver_core.SolverCore
SolverCore
triqs_ctseg.solver_core.SolverCore.D0_tau
triqs_ctseg.solver_core.SolverCore.Delta_tau
triqs_ctseg.solver_core.SolverCore.Jperp_tau
triqs_ctseg.solver_core.SolverCore.constr_params
triqs_ctseg.solver_core.SolverCore.results
triqs_ctseg.solver_core.SolverCore.solve_params
triqs_ctseg.solver_core.SolverCore.solve
Reporting issues
Changelog
Version 3.3.0
About CTSEG
References
CTSEG - TRIQS segment picture solver
Documentation
triqs_ctseg.solver_core
triqs_ctseg.solver_core.SolverCore
triqs_ctseg.solver_core.SolverCore.Delta_tau
View page source
triqs_ctseg.solver_core.SolverCore.Delta_tau
SolverCore.
Delta_tau
Hybridization function
\(\Delta(\tau)\)
.