pyccl.halomodel module

pyccl.halomodel.halo_concentration(cosmo, halo_mass, a, odelta=200)

Halo mass concentration relation

Parameters:

• cosmo (Cosmology) – Cosmological parameters.
• halo_mass (float or array_like) – Halo masses; Msun.
• a (float) – scale factor.
• odelta (float) – overdensity parameter (default: 200)

Returns:

Dimensionless halo concentration, ratio rv/rs

Return type:

float or array_like

pyccl.halomodel.halomodel_matter_power(cosmo, k, a)

Matter power spectrum from halo model assuming NFW density profiles :param cosmo: Cosmological parameters. :type cosmo: Cosmology :param a: scale factor. :type a: float :param k: wavenumber :type k: float or array_like

Returns:

matter power spectrum

from halo model

Return type:halomodel_matter_power (float or array_like)

pyccl.halomodel.onehalo_matter_power(cosmo, k, a)

One-halo term for matter power spectrum assuming NFW density profiles :param cosmo: Cosmological parameters. :type cosmo: Cosmology :param a: scale factor. :type a: float :param k: wavenumber :type k: float or array_like

Returns:

one-halo term for matter

power spectrum

Return type:onehalo_matter_power (float or array_like)

pyccl.halomodel.twohalo_matter_power(cosmo, k, a)

Two-halo term for matter power spectrum assuming NFW density profiles :param cosmo: Cosmological parameters. :type cosmo: Cosmology :param a: scale factor. :type a: float :param k: wavenumber :type k: float or array_like

Returns:

two-halo term

for matter power spectrum

Return type:two-halo matter power spectrum (float or array_Like)