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http://hdl.handle.net/10071/20765
acessibilidade
Title: The formation of trapped surfaces in the gravitational collapse of spherically symmetric scalar fields with a positive cosmological constant
Authors: Costa, João L.
Keywords: Trapped surface formation
Einstein-scalar field system
Spherical symmetry
Issue Date: 8-Oct-2020
Publisher: IOP Publishing
Abstract: Given spherically symmetric characteristic initial data for the Einstein-scalar field system with a positive cosmological constant, we provide a criterion, in terms of the dimensionless size and dimensionless renormalized mass content of an annular region of the data, for the formation of a future trapped surface. This corresponds to an extension of Christodoulou's classical criterion by the inclusion of the cosmological term.
Peer reviewed: yes
URI: http://hdl.handle.net/10071/20765
DOI: 10.1088/1361-6382/abb075
ISSN: 0264-9381
Ciência-IUL: https://ciencia.iscte-iul.pt/id/ci-pub-74074
Accession number: WOS:000570860300001
Appears in Collections:DM-RI - Artigos em revistas científicas internacionais

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