An alternative to quintessence
Abstract
We consider a FRW cosmological model with an exotic fluid known as Chaplygin gas. We show that the resulting evolution of the universe is not in disagreement with the current observation of cosmic acceleration. The model predict an increasing value for the effective cosmological constant.
 Publication:

Physics Letters B
 Pub Date:
 July 2001
 DOI:
 10.1016/S03702693(01)005718
 arXiv:
 arXiv:grqc/0103004
 Bibcode:
 2001PhLB..511..265K
 Keywords:

 General Relativity and Quantum Cosmology
 EPrint:
 8 pages, latex. References and a new section added