Volume 61, Number 5, March 2003
|Page(s)||715 - 720|
|Section||Geophysics, astronomy, and astrophysics|
|Published online||01 February 2003|
Time-dependent cosmological constant in the Jackiw-Teitelboim cosmology
Instituto de Física, Universidade Federal do Rio de Janeiro - RJ 21945-970, Brazil
2 Centro Brasileiro de Pesquisas Físicas - Rua Dr. Xavier Sigaud 150 Urca 22290-180 Rio de Janeiro, RJ, Brazil
Corresponding authors: email@example.com firstname.lastname@example.org email@example.com firstname.lastname@example.org
Accepted: 20 December 2002
We study the obtainment of a time-dependent cosmological constant at in a model based on the Jackiw-Teitelboim cosmology. We show that the cosmological term goes to zero asymptotically and can induce a nonsingular behavior at the origin.
PACS: 98.80.Bp – Origin and formation of the Universe / 98.80.Cq – Particle-theory and field-theory models of the early Universe (including cosmic pancakes, cosmic strings, chaotic phenomena, inflationary universe, etc.)
© EDP Sciences, 2003
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.