Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2003-06-19
Phys.Lett. B578 (2004) 7-15
Physics
High Energy Physics
High Energy Physics - Theory
15 pages
Scientific paper
10.1016/j.physletb.2003.10.051
We investigate the role of the cosmological constant in the holographic description of a radiation-dominated universe $C_2/R^4$ with a positive cosmological constant $\Lambda$. In order to understand the nature of cosmological term, we first study the newtonian cosmology. Here we find two aspects of the cosmological term: entropy ($\Lambda \to S_{\rm \Lambda}$) and energy ($\Lambda \to E_{\rm \Lambda}$). Also we solve the Friedmann equation parametrically to obtain another role. In the presence of the cosmological constant, the solutions are described by the Weierstrass elliptic functions on torus and have modular properties. In this case one may expect to have a two-dimensional Cardy entropy formula but the cosmological constant plays a role of the modular parameter $\tau(C_2,\Lambda)$ of torus. Consequently the entropy concept of the cosmological constant is very suitable for establishing the holographic entropy bounds in the early universe. This contrasts to the role of the cosmological constant as a dark energy in the present universe.
No associations
LandOfFree
Role of the cosmological constant in the holographic description of the early 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 Role of the cosmological constant in the holographic description of the early universe, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Role of the cosmological constant in the holographic description of the early universe will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-402045