Universität zu Köln

Kiefer, Claus ORCID: 0000-0001-6163-9519 and Mohaddes, Hamid (2025). Quantum theory of the Lemaître model for gravitational collapse. General Relativity and Gravitation, 57 (2). pp. 1-10. Springer Nature. ISSN 0001-7701

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Abstract

[Artikel-Nr. 26] We investigate the quantum fate of the classical singularities that occur by gravitational collapse of a dust cloud. For this purpose, we address the quantization of a model first proposed by Georges Lemaître in 1933. We find that the singularities can generically be avoided. This is a consequence of unitary evolution in the quantum theory, whereby the quantum dust cloud collapses, bounces at a minimal radius and re-expands.

Item Type:	Article
Creators:	Creators Email ORCID ORCID Put Code Kiefer, Claus UNSPECIFIED https://orcid.org/0000-0001-6163-9519 UNSPECIFIED Mohaddes, Hamid UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-797271
Identification Number:	10.1007/s10714-025-03349-6
Journal or Publication Title:	General Relativity and Gravitation
Volume:	57
Number:	2
Page Range:	pp. 1-10
Date:	28 February 2025
Publisher:	Springer Nature
ISSN:	0001-7701
Language:	English
Faculty:	Faculty of Mathematics and Natural Sciences
Divisions:	Faculty of Mathematics and Natural Sciences > Department of Chemistry > Institute of Theoretical Chemistry
['eprint_fieldname_oa_funders' not defined]:	Publikationsfonds UzK
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/79727