Null energy condition of dynamical black holes in spatially flat FLRW space-times

Abstract A new identity reported here for the first time is used for studying how the null energy condition can be applied to the models of dynamical black holes proposed recently (Cotăescu in Eur Phys J C 82:86, 2022). It is shown that this condition selects the models with physical meaning whose h...

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Main Author: Ion I. Cotăescu
Format: Article
Language:English
Published: SpringerOpen 2025-05-01
Series:European Physical Journal C: Particles and Fields
Online Access:https://doi.org/10.1140/epjc/s10052-025-14207-9
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author Ion I. Cotăescu
author_facet Ion I. Cotăescu
author_sort Ion I. Cotăescu
collection DOAJ
description Abstract A new identity reported here for the first time is used for studying how the null energy condition can be applied to the models of dynamical black holes proposed recently (Cotăescu in Eur Phys J C 82:86, 2022). It is shown that this condition selects the models with physical meaning whose horizons evolve in accordance with the general black hole theory in frames with null coordinates (Hayward in Phys Rev D 49:6467, 1994).
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institution DOAJ
issn 1434-6052
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publishDate 2025-05-01
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series European Physical Journal C: Particles and Fields
spelling doaj-art-a04383da5abf4822a3df2a7cf81ef4002025-08-20T03:09:19ZengSpringerOpenEuropean Physical Journal C: Particles and Fields1434-60522025-05-018551410.1140/epjc/s10052-025-14207-9Null energy condition of dynamical black holes in spatially flat FLRW space-timesIon I. Cotăescu0West University of TimişoaraAbstract A new identity reported here for the first time is used for studying how the null energy condition can be applied to the models of dynamical black holes proposed recently (Cotăescu in Eur Phys J C 82:86, 2022). It is shown that this condition selects the models with physical meaning whose horizons evolve in accordance with the general black hole theory in frames with null coordinates (Hayward in Phys Rev D 49:6467, 1994).https://doi.org/10.1140/epjc/s10052-025-14207-9
spellingShingle Ion I. Cotăescu
Null energy condition of dynamical black holes in spatially flat FLRW space-times
European Physical Journal C: Particles and Fields
title Null energy condition of dynamical black holes in spatially flat FLRW space-times
title_full Null energy condition of dynamical black holes in spatially flat FLRW space-times
title_fullStr Null energy condition of dynamical black holes in spatially flat FLRW space-times
title_full_unstemmed Null energy condition of dynamical black holes in spatially flat FLRW space-times
title_short Null energy condition of dynamical black holes in spatially flat FLRW space-times
title_sort null energy condition of dynamical black holes in spatially flat flrw space times
url https://doi.org/10.1140/epjc/s10052-025-14207-9
work_keys_str_mv AT ionicotaescu nullenergyconditionofdynamicalblackholesinspatiallyflatflrwspacetimes