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Viscous Little Rip Cosmology
Viscous Little Rip Cosmology
2011/10/17
Dark energy of phantom or quintessence nature with an equation of state parameter $w$ almost equal to -1 often leads the universe evolution to a finite-time future singularity. An elegant solution to ...
Probing bulk viscous matter-dominated models with Gamma-ray bursts
Probing viscous matter-dominated Gamma-ray bursts
2011/9/27
In this paper we extend the range of consistency of a constant bulk viscosity model to redshifts up to $z\sim 8.1$. In this model the dark sector of the cosmic substratum is a viscous fluid with press...
Dynamics of Viscous Dissipative Plane Symmetric Gravitational Collapse
Gravitational collapse Dissipation Junction conditions Dynamical equations Transport equations
2010/3/18
We present dynamical description of gravitational collapse in view of Misner and Sharp's formalism. Matter under consideration is a complicated fluid consistent with plane symmetry which we assume to ...
In this paper we investigate the power spectrum of thermal fluctuations in very early stage of viscous cosmology. When the state parameter as well as the viscous coefficient of a barotropic fluid is p...
Fast Transition between High-soft and Low-soft States in GRS 1915 C 105：Evidence for a Critically Viscous Accretion Flow
accretion discs binaries black hole X-rays
2009/5/19
We present the results of a detailed analysis of RXTE observations
of class ! (Klein-Wolt et al. 2002) which show an unusual state
transition between high-soft and low-soft states in the Galactic mi...