Gravitational decoupling and superfluid stars

Gravitational decoupling and superfluid stars

Abstract The gravitational decoupling is applied to studying minimal geometric deformed (MGD) compact superfluid stars, in covariant logarithmic scalar gravity on fluid branes. The brane finite tension is shown to provide more realistic values for the asymptotic value of the mass function of MGD sup...

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Main Author: Roldao da Rocha
Format: Article
Language:English
Published: SpringerOpen 2021-09-01
Series:European Physical Journal C: Particles and Fields
Online Access:https://doi.org/10.1140/epjc/s10052-021-09647-y
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spelling doaj-25570462826349bf8b59040fa2914d5a2021-09-26T11:16:32ZengSpringerOpenEuropean Physical Journal C: Particles and Fields1434-60441434-60522021-09-0181911710.1140/epjc/s10052-021-09647-yGravitational decoupling and superfluid starsRoldao da Rocha0Center of Mathematics, Federal University of ABCAbstract The gravitational decoupling is applied to studying minimal geometric deformed (MGD) compact superfluid stars, in covariant logarithmic scalar gravity on fluid branes. The brane finite tension is shown to provide more realistic values for the asymptotic value of the mass function of MGD superfluid stars, besides constraining the range of the self-interacting scalar field, minimally coupled to gravity. Several other physical features of MGD superfluid stars, regulated by the finite brane tension and a decoupling parameter, are derived and discussed, with important corrections to the general-relativistic limit that corroborate to current observational data.https://doi.org/10.1140/epjc/s10052-021-09647-y
collection DOAJ
language English
format Article
sources DOAJ
author Roldao da Rocha
spellingShingle Roldao da Rocha
Gravitational decoupling and superfluid stars
European Physical Journal C: Particles and Fields
author_facet Roldao da Rocha
author_sort Roldao da Rocha
title Gravitational decoupling and superfluid stars
title_short Gravitational decoupling and superfluid stars
title_full Gravitational decoupling and superfluid stars
title_fullStr Gravitational decoupling and superfluid stars
title_full_unstemmed Gravitational decoupling and superfluid stars
title_sort gravitational decoupling and superfluid stars
publisher SpringerOpen
series European Physical Journal C: Particles and Fields
issn 1434-6044
1434-6052
publishDate 2021-09-01
description Abstract The gravitational decoupling is applied to studying minimal geometric deformed (MGD) compact superfluid stars, in covariant logarithmic scalar gravity on fluid branes. The brane finite tension is shown to provide more realistic values for the asymptotic value of the mass function of MGD superfluid stars, besides constraining the range of the self-interacting scalar field, minimally coupled to gravity. Several other physical features of MGD superfluid stars, regulated by the finite brane tension and a decoupling parameter, are derived and discussed, with important corrections to the general-relativistic limit that corroborate to current observational data.
url https://doi.org/10.1140/epjc/s10052-021-09647-y
work_keys_str_mv AT roldaodarocha gravitationaldecouplingandsuperfluidstars
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