Is Noncommutative Eternal Inflation Possible?

Details Is Noncommutative Eternal Inflation Possible? Is Noncommutative Eternal Inflation Possible?

2007-06-05

arxiv.org/abs/0706.0572v2

JCAP 0706:022,2007

Physics

High Energy Physics

High Energy Physics - Theory

14 pages, 2 figures, accepted by JCAP

Scientific paper

10.1088/1475-7516/2007/06/022

We investigate the condition for eternal inflation to take place in the noncommutative spacetime. We find that the possibility for eternal inflation's happening is greatly suppressed in this case. If eternal inflation cannot happen in the low energy region where the noncommutativity is very weak (the UV region), it will never happen during the whole inflationary history. Based on these conclusions, we argue that an initial condition for eternal inflation is available from the property of spacetime noncommutativity.

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