deSitter brane universeinduced by phantom and quantum effects

Details deSitter brane universeinduced by phantom and quantum effects deSitter brane universeinduced by phantom and quantum effects

2003-04-15

arxiv.org/abs/hep-th/0304131v2

Phys.Lett.B565:1-9,2003

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX file, 11 pages, minor changes, version to appear in PLB

Scientific paper

10.1016/S0370-2693(03)00753-6

Five-dimensional braneworld cosmology with deSitter (inflationary) brane universe induced by classical and quantum matter is discussed. It is shown that negative energy phantom field with quantum CFT supports the creation of deSitter universe. On the same time, pure phantom or dust with quantum effects, or Chaplygin gas with quantum effects may naturally lead to the occurence of Anti-deSitter brane universe but not deSitter one. It is also interesting that unlike to four-dimensional gravity, for phantom with (or without) quantum contribution the standard cosmological energy conditions may be effectively satisfied.

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