Physics – General Physics
Scientific paper
2010-10-12
Astrophys.Space Sci.332:441-448,2011
Physics
General Physics
18 pages, 3 figures
Scientific paper
10.1007/s10509-010-0539-z
A new dark energy model in anisotropic Bianchi type-III space-time with variable equation of state (EoS) parameter has been investigated in the present paper. To get the deterministic model, we consider that the expansion $\theta$ in the model is proportional to the eigen value $\sigma^{2}_{~2}$ of the shear tensor $\sigma^{j}_~i$. The EoS parameter $\omega$ is found to be time dependent and its existing range for this model is in good agreement with the recent observations of SNe Ia data (Knop et al. 2003) and SNe Ia data with CMBR anisotropy and galaxy clustering statistics (Tegmark et al. 2004). It has been suggested that the dark energy that explains the observed accelerating expansion of the universe may arise due to the contribution to the vacuum energy of the EoS in a time dependent background. Some physical aspects of dark energy model are also discussed.
Amirhashchi Hassan
Pradhan Anirudh
No associations
LandOfFree
Dark Energy Model in Anisotropic Bianchi Type-III Space-Time with Variable EoS Parameter 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 Dark Energy Model in Anisotropic Bianchi Type-III Space-Time with Variable EoS Parameter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dark Energy Model in Anisotropic Bianchi Type-III Space-Time with Variable EoS Parameter will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-608424