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Scalar models for the generalized Chaplygin gas and the structure formation constraints
Scalar models the generalized Chaplygin gas
2010/12/24
The generalized Chaplygin gas model represents a tentative to unify dark matter and dark energy. It is characterized by a fluid with an equation of state $p = - A/\rho^\alpha$. It can be obtained fro...
A dark energy model alternative to generalized Chaplygin gas
energy model generalized Chaplygin gas
2010/12/27
We propose a new fluid model of dark energy for $-1 \leq \omega_{\text{eff}} \leq 0$ as an alternative to the generalized Chaplygin gas models. The energy density of dark energy fluid is severely supp...
Dynamical neutrino masses in the generalized Chaplygin gas scenario with mass varying CDM
neutrino masses generalized Chaplygin gas scenario mass varying CDM
2010/11/10
Neutrinos coupled to an underlying scalar field in the scenario for unification of mass varying
dark matter and cosmon-like dark energy is examined. In the presence of a tiny component of mass varyin...
Scalar models for the generalized Chaplygin gas and the structure formation constraints
Scalar models generalized Chaplygin gas structure formation constraints
2010/11/9
The generalized Chaplygin gas model represents a tentative to unify dark matter and dark
energy. It is characterized by a fluid with an equation of state p = −A/ . It can be obtained from a ge...
Scalar models for the generalized Chaplygin gas and the structure formation constraints
Scalar models generalized Chaplygin gas structure formation constraints
2010/12/21
The generalized Chaplygin gas model represents a tentative to unify dark matter and dark
energy. It is characterized by a fluid with an equation of state p = −A/ .
Matter power spectrum for the generalized Chaplygin gas model: The relativistic case
generalized Chaplygin gas dark matter dark energy
2010/3/19
The generalized Chaplygin gas (GCG) model is the prototype of a unified model of dark energy (DE) and dark matter (DM). It is characterized by equation-of-state (EoS) parameters $A$ and $\alpha$. We u...