OmegaCt/N — real default values

HTML with the script parameters and real default values, organized by section.

Quick note: in standard these values are used as-is. In full the same defaults are used, but the following minimums are also guaranteed: n_steps_dyn >= 6000 y n_steps_otn >= 8000.

Contents

1) Base cosmological parameters
2) H0 anchors / background closure
3) Ic model / correlational history
4) General transition / branch parameters
5) Explicit dynamic solver
6) Full Ωt/N solver
7) Structure growth
8) Effective couplings
9) Tensor sector / GW
10) Potential / U(C) sector
11) S8 calibration
12) Locks and tolerances
13) Observational validation / CMB / BAO / SN
14) Scan / sweeps / search
15) MCMC / likelihood
16) Resolution / grid
17) Outputs / figures / reports
18) Control / interface / debug flags
19) Most important parameters for your use case

1) Base cosmological parameters

Parameter	Default value
`H0`	`70.0`
`Om`	`0.315`
`Or`	`9e-5`
`sigma8_0`	`0.8`
`sigma8_mode`	`fixed`
`background_mode`	`fix_OmegaL`
`Obh2`	`0.02237`
`omega_b_h2`	`0.02237`
`omega_c_h2`	`0.1200`

2) H0 anchors / background closure

Parameter	Default value
`H0_anchor_Ic0`	`-0.044`
`H0_anchor_value`	`67.4`
`H0_ref_Omega`	`70.5`
`k_Ic_H0`	`70.45`
`H0_free`	`0`
`H0_free_min`	`50.0`
`H0_free_max`	`90.0`
`H0_free_n`	`61`

3) Ic model / correlational history

Parameter	Default value
`Ic_model`	`None`
`Ic_mode`	`multC`
`Ic_max_abs`	`0.05`
`Ic_const`	`0.0`
`Ic_I_mid`	`0.0`
`Ic_I_amp`	`0.016`
`Ic_a_t`	`0.55`
`Ic_Delta`	`0.05`
`Ic_low`	`0.0`
`Ic_high`	`0.016`

4) General transition / branch parameters

Parameter	Default value
`Ct_family`	`tanh`
`C0`	`1.0`
`amp`	`0.016`
`a_t`	`0.55`
`Delta`	`0.05`
`mid`	`0.7`
`sigma_mode`	`fixed`
`sigma_sign`	`+1.0`
`sigma_a0`	`0.55`
`sigma_Delta`	`0.05`

5) Explicit dynamic solver

Parameter	Default value
`dynamic_enable`	`0`
`K0_dyn`	`1.0`
`K1_dyn`	`0.0`
`K2_dyn`	`0.0`
`G0_dyn`	`0.0`
`mC2_dyn`	`0.0`
`C_init_dyn`	`0.0`
`v_init_dyn`	`0.0`
`a_min_dyn`	`1e-4`
`n_steps_dyn`	`6000`
`cs2_alpha_dyn`	`6.0`

6) Full Ωt/N solver

Parameter	Default value
`otn_enable`	`0`
`gamma_dyn`	`0.0`
`m_eff2_dyn`	`1.0`
`C_Omega_dyn`	`1.0`
`M4_dyn`	`1.0`
`n_steps_otn`	`8000 (minimum guaranteed in full)`

7) Structure growth

Parameter	Default value
`growth_enable`	`1`
`growth_mode`	`dynamic+calibrated`
`growth_clamp`	`0`
`abort_on_instability`	`1`
`D_floor`	`1e-6`
`D_cap`	`10.0`
`fs8_cap`	`5.0`
`fs8_z_list`	`0.15,0.32,0.38,0.51,0.57,0.61,0.7,0.85,1.0`

8) Effective couplings

Parameter	Default value
`Gc_Ic_coeff`	`0.0`
`Sigma_Ic_coeff`	`0.0`
`coupling_driver`	`Ct`
`Gc_Ct_coeff`	`1.0`
`Sigma_Ct_coeff`	`-1.0`
`lensing_zmax`	`2.0`

9) Tensor sector / GW

Parameter	Default value
`GLW_enable`	`1`
`G0_auto`	`0.05`
`tensor_sign_tol`	`0.0`
`tensor_ode_enable`	`0`
`tensor_k_list`	`0.0,0.1,1.0`
`lambda_tensor`	`1.0`
`G_family`	`power`
`G0`	`0.0`
`G_power`	`1.0`
`Gcut`	`1.0`
`Gw`	`0.05`

10) Potential / U(C) sector

Parameter	Default value
`Mpl2`	`0.3333333333333333`
`Mstar_over_H0`	`1000.0`
`U_family`	`const`
`U0`	`0.7`
`Uamp`	`0.0`
`Uc`	`1.0`
`Uw`	`0.1`
`mC2`	`0.0`

11) S8 calibration

Parameter	Default value
`Omega_S8_calib`	`0`
`S8_poly_a`	`5.833333333333333`
`S8_poly_b`	`0.4966666666666667`
`S8_poly_c`	`0.78656`

12) Locks and tolerances

Parameter	Default value
`early_a_max`	`1e-3`
`early_tol`	`2e-3`
`early_drift_enable`	`1`
`early_drift_a_max`	`5e-3`
`early_drift_tol`	`5e-4`
`ablation_tol`	`2e-6`
`eom_enable`	`1`
`eom_tol`	`1.2`
`eom_a_min`	`1e-3`
`smooth_enable`	`1`
`smooth_tol`	`2.5`

13) Observational validation / CMB / BAO / SN

Parameter	Default value
`cmb_priors_enable`	`0`
`validate_lite`	`1`
`cmb_R_mean`	`1.74963`
`cmb_lA_mean`	`301.46`
`cmb_wb_mean`	`0.02237`
`cmb_zstar`	`1089.92`
`cmb_cov_RR`	`0.03^2`
`cmb_cov_lAlA`	`5.0^2`
`cmb_cov_wbwb`	`0.002^2`
`chi2_enable`	`0`
`chi2_use_demo`	`0`
`chi2_sn_csv`	`""`
`chi2_bao_csv`	`""`
`chi2_cmb_json`	`""`
`rd_Mpc`	`147.0`
`bao_z_list`	`""`
`sn_z_list`	`""`
`chi2_use_pantheon`	`1`
`chi2_use_bao_minimal`	`1`
`chi2_use_planck_omegas`	`1`

14) Scan / sweeps / search

Parameter	Default value
`scan`	`False`
`scan2d_report`	`False`
`scan_objective`	`tensor`
`topk`	`10`
`sweep_ic`	`""`
`jobs`	`1`
`select_best`	`False`
`run_best`	`""`
`auto_find_pass`	`False`
`scan_amp_lo`	`0.0`
`scan_amp_hi`	`0.03`
`scan_amp_n`	`10`
`scan_at_lo`	`0.45`
`scan_at_hi`	`0.75`
`scan_at_n`	`10`
`scan_mid_lo`	`0.2`
`scan_mid_hi`	`0.95`
`scan_mid_n`	`10`
`scan_dynamic`	`0`
`scan_dyn_n`	`200`
`G0_min`	`-0.05`
`G0_max`	`0.05`
`mC2_min`	`0.0`
`mC2_max`	`20.0`
`K0_min`	`0.2`
`K0_max`	`5.0`
`Cinit_min`	`-0.02`
`Cinit_max`	`0.02`
`vinit_min`	`-0.02`
`vinit_max`	`0.02`
`dyn_seed`	`12345`

15) MCMC / likelihood

Parameter	Default value
`mcmc`	`0`
`mcmc_steps`	`4000`
`mcmc_burn`	`1000`
`mcmc_thin`	`10`
`mcmc_seed`	`123`
`mcmc_use_chi2`	`0`
`mcmc_relax_locks`	`1`
`prop_G0`	`0.005`
`prop_mC2`	`0.5`
`prop_K0`	`0.1`
`prop_Cinit`	`0.002`
`prop_vinit`	`0.002`
`like_enable`	`0`
`like_config`	`data/mini_like_v1.json`
`lambda_Ic`	`1.0`
`w_eom`	`5.0`
`w_drift`	`2000.0`
`w_slope`	`1.0`

16) Resolution / grid

Parameter	Default value
`Na`	`800`
`a_min`	`1e-4`
`a_min_growth`	`1e-3`
`a_min_dyn`	`1e-4`
`n_steps_dyn`	`6000`
`n_steps_otn`	`8000 (guaranteed in full)`

17) Outputs / figures / reports

Parameter	Default value
`out`	`outputs`
`export_class`	`False`
`export_class_dir`	`""`
`make_figures`	`False`
`fig_dir`	`""`
`fig_dpi`	`180`
`make_report`	`False`
`report_title`	`Reviewer Report ΩCt/N`
`report_path`	`""`
`make_reviewer_pack`	`False`
`make_snapshot_pdf`	`False`
`postprocess_only`	`False`
`postprocess_figures`	`1`
`postprocess_report`	`1`
`postprocess_checklist`	`1`
`snapshot_from`	`""`
`pack_from`	`""`

18) Control / interface / debug flags

Parameter	Default value
`mode`	`standard`
`quiet`	`False`
`verbose`	`False`
`selftest`	`False`
`welcome`	`False`
`interactive`	`False`
`reviewer_mode`	`False`
`run_tests`	`0`
`ablation`	`False`

19) Most important parameters for your use case

Parameter	Default value
`Ic_model`	`None`
`Ic_const`	`0.0`
`Ic_I_mid`	`0.0`
`Ic_I_amp`	`0.016`
`Ic_a_t`	`0.55`
`Ic_Delta`	`0.05`
`Ic_low`	`0.0`
`Ic_high`	`0.016`
`Omega_S8_calib`	`0`
`sigma8_mode`	`fixed`
`validate_lite`	`1`
`Gc_Ct_coeff`	`1.0`
`Sigma_Ct_coeff`	`-1.0`
`H0_ref_Omega`	`70.5`
`k_Ic_H0`	`70.45`
`early_tol`	`2e-3`
`early_drift_tol`	`5e-4`
`eom_tol`	`1.2`
`smooth_tol`	`2.5`
`mode (serious run)`	`full`