Could our Universe have begun with Negative Lambda?

Details Could our Universe have begun with Negative Lambda? Could our Universe have begun with Negative Lambda?

2011-05-13

arxiv.org/abs/1105.2636v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

4 pages, 5 figures

Scientific paper

In this paper we present a mechanism whereby the universe can "begin" with
negative vacuum energy density, but then can transition to positive
cosmological constant regions. In the process we provide a past geodesic
completion of the inflationary paradigm.

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