期刊
PHYSICS LETTERS B
卷 687, 期 2-3, 页码 119-123出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2010.03.016
关键词
Noncommutative cosmology; Deformed phase space; Late time acceleration
资金
- Research Council of Azad University of Chalous
The effects of noncommutativity on the phase space of a dilatonic cosmological model is investigated. The existence of such noncommutativity results in a deformed Poisson algebra between the minisuperspace variables and their momenta conjugate. For an exponential dilaton potential, the exact solutions in the commutative and noncommutative cases are presented and compared. We use these solutions to address the late time acceleration issue of cosmic evolution. (C) 2010 Elsevier B.V. All rights reserved.
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