NcHICosmoQConst: NumCosmo Reference Manual

NcHICosmoQConst

NcHICosmoQConst — Kinetic model -- Constant deceleration function

Functions

Properties

double	Dc	Read / Write
gboolean	Dc-fit	Read / Write
double	E	Read / Write
gboolean	E-fit	Read / Write
double	H0	Read / Write
gboolean	H0-fit	Read / Write
double	Omegat	Read / Write
gboolean	Omegat-fit	Read / Write
double	q	Read / Write
gboolean	q-fit	Read / Write
double	zs	Read / Write
gboolean	zs-fit	Read / Write

Types and Values

enum	NcHICosmoQConstSParams
#define	NC_HICOSMO_QCONST_DEFAULT_H0
#define	NC_HICOSMO_QCONST_DEFAULT_OMEGA_T
#define	NC_HICOSMO_QCONST_DEFAULT_CD
#define	NC_HICOSMO_QCONST_DEFAULT_E
#define	NC_HICOSMO_QCONST_DEFAULT_Q
#define	NC_HICOSMO_QCONST_DEFAULT_Z1

Object Hierarchy

    GEnum
    ╰── NcHICosmoQConstSParams
    GObject
    ╰── NcmModel
        ╰── NcHICosmo
            ╰── NcHICosmoQConst

Description

The deceleration function is defined as a constant, $q(z) = q_0$. The comoving distance in units of the Hubble radius today is

$$D_c(z) = CD + \frac{(1+ z_1)^{-q_0}}{q_0} \left[ 1 - \left( \frac{1+z}{1+z_1} \right)^{-q_0} \right],$$ where CD is the comoving distance from 0 to $z_1$.

Functions

nc_hicosmo_qconst_new ()

NcHICosmoQConst *
nc_hicosmo_qconst_new (void);

FIXME

Returns

FIXME

Types and Values

enum NcHICosmoQConstSParams

Members

NC_HICOSMO_QCONST_H0	Hubble constant
NC_HICOSMO_QCONST_OMEGA_T	total energy density of the universe
NC_HICOSMO_QCONST_CD	comoving distance in units of the Hubble radius today
NC_HICOSMO_QCONST_E	normalized Hubble function at Z1
NC_HICOSMO_QCONST_Q	constant vlaue of the deceleration function
NC_HICOSMO_QCONST_Z1	initial redshift

NC_HICOSMO_QCONST_DEFAULT_H0

#define NC_HICOSMO_QCONST_DEFAULT_H0      ncm_c_hubble_cte_planck6_base ()

NC_HICOSMO_QCONST_DEFAULT_OMEGA_T

#define NC_HICOSMO_QCONST_DEFAULT_OMEGA_T ( 1.0)

NC_HICOSMO_QCONST_DEFAULT_CD

#define NC_HICOSMO_QCONST_DEFAULT_CD      ( 0.0)

NC_HICOSMO_QCONST_DEFAULT_E

#define NC_HICOSMO_QCONST_DEFAULT_E       ( 1.0)

NC_HICOSMO_QCONST_DEFAULT_Q

#define NC_HICOSMO_QCONST_DEFAULT_Q       (-0.5)

NC_HICOSMO_QCONST_DEFAULT_Z1

#define NC_HICOSMO_QCONST_DEFAULT_Z1      ( 0.0)

Property Details

The `“Dc”` property

  “Dc”                       double

D_c.

Owner: NcHICosmoQConst

Flags: Read / Write

Default value: 0

The `“Dc-fit”` property

  “Dc-fit”                   gboolean

D_c:fit.

Owner: NcHICosmoQConst

Flags: Read / Write

Default value: FALSE

The `“E”` property

  “E”                        double

Owner: NcHICosmoQConst

Flags: Read / Write

Default value: 1

The `“E-fit”` property

  “E-fit”                    gboolean

E:fit.

Owner: NcHICosmoQConst

Flags: Read / Write

Default value: FALSE

The `“H0”` property

  “H0”                       double

H_0.

Owner: NcHICosmoQConst

Flags: Read / Write

Default value: 67.36

The `“H0-fit”` property

  “H0-fit”                   gboolean

H_0:fit.

Owner: NcHICosmoQConst

Flags: Read / Write

Default value: FALSE

The `“Omegat”` property

  “Omegat”                   double

\Omega_{t0}.

Owner: NcHICosmoQConst

Flags: Read / Write

Default value: 1

The `“Omegat-fit”` property

  “Omegat-fit”               gboolean

\Omega_{t0}:fit.

Owner: NcHICosmoQConst

Flags: Read / Write

Default value: FALSE

The `“q”` property

  “q”                        double

Owner: NcHICosmoQConst

Flags: Read / Write

Default value: -0.5

The `“q-fit”` property

  “q-fit”                    gboolean

q:fit.

Owner: NcHICosmoQConst

Flags: Read / Write

Default value: TRUE

The `“zs”` property

  “zs”                       double

z_\star.

Owner: NcHICosmoQConst

Flags: Read / Write

Default value: 0

The `“zs-fit”` property

  “zs-fit”                   gboolean

z_\star:fit.

Owner: NcHICosmoQConst

Flags: Read / Write

Default value: FALSE