Ambient cosmology and spacetime singularities

Antoniadis, Ignatios; Cotsakis, Spiros (2015). Ambient cosmology and spacetime singularities. European physical journal. C - particles and fields, 75(1) EDP Sciences 10.1140/epjc/s10052-015-3269-0

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We present a new approach to the issues of spacetime singularities and cosmic censorship in general relativity. This is based on the idea that standard 4-dimensional spacetime is the conformal infinity of an ambient metric for the 5-dimensional Einstein equations with fluid sources. We then find that the existence of spacetime singularities in four dimensions is constrained by asymptotic properties of the ambient 5-metric, while the non-degeneracy of the latter crucially depends on cosmic censorship holding on the boundary.

Item Type:

Journal Article (Original Article)

Division/Institute:

10 Strategic Research Centers > Albert Einstein Center for Fundamental Physics (AEC)
08 Faculty of Science > Institute of Theoretical Physics

UniBE Contributor:

Antoniadis, Ignatios

Subjects:

500 Science > 530 Physics

ISSN:

1434-6044

Publisher:

EDP Sciences

Language:

English

Submitter:

Esther Fiechter

Date Deposited:

17 Mar 2015 09:46

Last Modified:

26 Jun 2016 01:59

Publisher DOI:

10.1140/epjc/s10052-015-3269-0

BORIS DOI:

10.7892/boris.64955

URI:

https://boris.unibe.ch/id/eprint/64955

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