Holography constrains quantum bounce

Details Holography constrains quantum bounce Holography constrains quantum bounce

2008-02-13

arxiv.org/abs/0802.1867v3

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, Improvements made

Scientific paper

Recent work in quantum loop cosmology suggests the universe undergoes a bounce when evolving from a previous collapsing phase. However, with non-inflationary matter sources, the scenario appears to strongly violate the holography bound S\leq A/4 during the bounce, where A now represents the cross-sectional area of the bounce. We also give a simple argument why any inflationary phase after the bounce is unlikely due to prior dissipation of a scalar field kinetic energy phase into regular matter components.

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