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Compact objects in entangled relativity

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 15 Jan 2021Embargo end date: 01 Jan 2020 France English Publisher:American Physical Society (APS)Journal:Physical Review D, volume 103 (issn: 2470-0010, eissn: 2470-0029, Copyright policy )Funded by:FCT | D4
Authors: Denis Arruga; Olivier Rousselle; Olivier Minazzoli;

doi: 10.1103/physrevd.103.024034 , 10.48550/arxiv.2011.14629

arXiv: 2011.14629

Compact objects in entangled relativity

Abstract

We describe the first numerical Tolman-Oppenheimer-Volkoff solutions of compact objects in entangled relativity, which is an alternative to the framework of general relativity that does not have any additional free parameter. Assuming a simple polytropic equation of state and the conservation of the rest-mass density, we notably show that, for any given density, compact objects are always heavier (up to $\sim 8\%$) in entangled relativity than in general relativity -- for any given central density within the usual range of neutron stars' central densities, or for a given radius of the resulting compact object.

9 pages, 7 figures

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France
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Keywords

density, star: compact, Tolman-Oppenheimer-Volkoff equation, [PHYS.GRQC] Physics [physics]/General Relativity and Quantum Cosmology [gr-qc], alternative theories of gravity, FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), 530, General Relativity and Quantum Cosmology, General relativity, relativity theory, [PHYS.GRQC]Physics [physics]/General Relativity and Quantum Cosmology [gr-qc], general relativity, conservation law, entanglement, neutron star, numerical calculations, equation of state

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
6
Top 10%
Average
Top 10%
Green
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