Dynamics of Logamediate and Intermediate Scenarios in the Dark Energy Filled Universe

Details Dynamics of Logamediate and Intermediate Scenarios in the Dark Energy Filled Universe Dynamics of Logamediate and Intermediate Scenarios in the Dark Energy Filled Universe

2010-12-07

arxiv.org/abs/1012.1445v1

Int.J.Theor.Phys.50:799-832,2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

28 pages, 20 figures

Scientific paper

10.1007/s10773-010-0617-6

We have considered a model of two component mixture i.e., mixture of Chaplygin gas and barotropic fluid with tachyonic field. In the case, when they have no interaction then both of them retain their own properties. Let us consider an energy flow between barotropic and tachyonic fluids. In both the cases we find the exact solutions for the tachyonic field and the tachyonic potential and show that the tachyonic potential follows the asymptotic behavior. We have considered an interaction between these two fluids by introducing a coupling term. Finally, we have considered a model of three component mixture i.e., mixture of tachyonic field, Chaplygin gas and barotropic fluid with or without interaction. The coupling functions decays with time indicating a strong energy flow at the initial period and weak stable interaction at later stage. To keep the observational support of recent acceleration we have considered two particular forms (i) Logamediate Scenario and (ii) Intermediate Scenario, of evolution of the Universe. We have examined the natures of the recent developed statefinder parameters and slow-roll parameters in both scenarios with and without interactions in whole evolution of the universe.

Affiliated with

Also associated with

No associations

Rating

Dynamics of Logamediate and Intermediate Scenarios in the Dark Energy Filled Universe does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Dynamics of Logamediate and Intermediate Scenarios in the Dark Energy Filled Universe, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dynamics of Logamediate and Intermediate Scenarios in the Dark Energy Filled Universe will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-480222