candel.cosmo

Growth rate

Conversion of the beta factor from linear theory to either fsigma8 or S8

class candel.cosmo.growth_rate.Beta2Cosmology(Om0=0.3111, h=0.6766, Ob=None, ns=0.9665, mnu=0.0, w0=-1, wa=0, gamma=0.5454545454545454, sigma8g_prior='carrick', method='sr', beta_jusz=0.216)[source]

Bases: object

Converter for mapping samples of beta, which scales the velocities of linear theory reconstructions into either fsigma8 or S8.

Supports symbolic regression (SR) or Juszkiewicz-based mappings from non-linear to linear sigma8

compute_sigma8_nonlinear_from_pk(As)[source]
compute_sigma8_nonlinear_from_beta(beta)[source]
sigma8_nl_to_lin(sigma8_nl)[source]

Converts a non-linear sigma8 to a linear sigma8.

compute_fsigma8_linear(beta)[source]

Compute fsigma8_linear from samples of beta.

compute_S8(beta)[source]

Compute S8 from samples of beta.

PV covariance