EH_BAO

class hmf.density_field.transfer_models.EH_BAO(*args, **kwargs)

Eisenstein & Hu (1998) fitting function with BAO wiggles.

From EH1998, Eqs. 26,28-31. Code adapted from CHOMP.

Parameters:

• cosmo (astropy.cosmology.FLRW instance) – The cosmology used in the calculation

• **model_parameters (unpack-dict) – Parameters specific to this model. In this case, there are no model parameters.

Attributes

Methods

__init__(*args, **kwargs)

classmethod get_models() → dict[str, type]

Get a dictionary of all implemented models for this component.

lnt(lnk)

Natural log of the transfer function.

Parameters:

lnk (array_like) – Wavenumbers [Mpc/h]

Returns:

lnt – The log of the transfer function at lnk.

Return type:

array_like