Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-10-07
Int.J.Mod.Phys. D12 (2003) 369-380
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages, 5 figures, to appear in IJMPD
Scientific paper
10.1142/S0218271803002767
The relativistic Friedmann Lemaitre cosmology model (FLCM) is very sucessful to describe the evolution history of the Universe from the " First three Minutes". Any alternative model should be consistent with the FLCM explanations to the later stage evolutions of the Universe at certain points. An noncompact extra dimension model was recently proposed by Randall and Sundrum. Binetruy et al. obtained the modified Friedmann equation, in which the energy density of the brane appears quadratically in contrast with the linear behavior of the standard Friedmann equation. We investigate kinds of classical cosmological effects of the new models and get a general solution of the cosmic evolution for this extended model, with more detail discussions of the brane tension parameter on these cosmological tests.
Hou Jingmin
Lu Kaiyi
Meng Xin-he
Zhao Wenyao
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