An N-tropic Solution to the Cosmological Constant Problem

Details An N-tropic Solution to the Cosmological Constant Problem An N-tropic Solution to the Cosmological Constant Problem

2007-01-11

arxiv.org/abs/hep-ph/0701084v1

ECONF C0605151:0023,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, Presented at IPM School and Conference on Lepton and Hadron Physics (IPM-LHP06), Tehran, Iran, 15-20 May 2006 and als

Scientific paper

Based on the assertion that the cosmological constant problem is essentially a quantum gravity problem, the framework which addresses the cosmological constant problem should also bear a picture for the ``quantum space-time''. In this talk in an attempt to address the cosmological constant problem I suggest to start with noncommutative fuzzy spheres as the toy model for the quantum space-time. In this setting, we show that the cosmological constant problem may be resolved due to the noncommutativity and ``fuzziness'' of the space and the fact that the smallest volume which could be measured in the a quantum space-time is much larger than the naively expected Planckian size. This talk is based on Ref.[1] which has appeared on the arXiv as hep-th/0605110.

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