The causal order on the ambient boundary

Antoniadis, Ignatios; Cotsakis, Spiros; Papadopoulos, Kyriakos (2016). The causal order on the ambient boundary. Modern Physics Letters A, 31(20), p. 1650122. World Scientific Publishing 10.1142/S0217732316501224

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We analyze the causal structure of the ambient boundary, the conformal infinity of the ambient (Poincaré) metric. Using topological tools, we show that the only causal relation compatible with the global topology of the boundary spacetime is the horismos order. This has important consequences for the notion of time in the conformal geometry of the ambient 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:

0217-7323

Publisher:

World Scientific Publishing

Language:

English

Submitter:

Esther Fiechter

Date Deposited:

07 Sep 2016 10:59

Last Modified:

07 Sep 2016 11:01

Publisher DOI:

10.1142/S0217732316501224

ArXiv ID:

1603.08117

BORIS DOI:

10.7892/boris.86329

URI:

https://boris.unibe.ch/id/eprint/86329

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