Analytical study of charged boson stars with large scalar self-couplings

Abstract We give good approximate analytic solutions for spherical charged boson stars in the large scalar-self-coupling limit in general relativity. We show that if the charge e and mass m of the scalar field nearly satisfy the critical relation $$e^2\approx Gm^2$$ e2≈Gm2 (where G is the Newton con...

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Main Authors: Nahomi Kan, Kiyoshi Shiraishi
Format: Article
Language:English
Published: SpringerOpen 2018-03-01
Series:European Physical Journal C: Particles and Fields
Online Access:http://link.springer.com/article/10.1140/epjc/s10052-018-5745-9
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author Nahomi Kan
Kiyoshi Shiraishi
author_facet Nahomi Kan
Kiyoshi Shiraishi
author_sort Nahomi Kan
collection DOAJ
description Abstract We give good approximate analytic solutions for spherical charged boson stars in the large scalar-self-coupling limit in general relativity. We show that if the charge e and mass m of the scalar field nearly satisfy the critical relation $$e^2\approx Gm^2$$ e2≈Gm2 (where G is the Newton constant), our analytic expressions for stable solutions agree well with the numerical solutions.
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spelling doaj.art-e9607266674a43e589a9d2affb6412df2022-12-22T02:29:31ZengSpringerOpenEuropean Physical Journal C: Particles and Fields1434-60441434-60522018-03-0178311110.1140/epjc/s10052-018-5745-9Analytical study of charged boson stars with large scalar self-couplingsNahomi Kan0Kiyoshi Shiraishi1National Institute of Technology, Gifu CollegeGraduate School of Sciences and Technology for Innovation, Yamaguchi UniversityAbstract We give good approximate analytic solutions for spherical charged boson stars in the large scalar-self-coupling limit in general relativity. We show that if the charge e and mass m of the scalar field nearly satisfy the critical relation $$e^2\approx Gm^2$$ e2≈Gm2 (where G is the Newton constant), our analytic expressions for stable solutions agree well with the numerical solutions.http://link.springer.com/article/10.1140/epjc/s10052-018-5745-9
spellingShingle Nahomi Kan
Kiyoshi Shiraishi
Analytical study of charged boson stars with large scalar self-couplings
European Physical Journal C: Particles and Fields
title Analytical study of charged boson stars with large scalar self-couplings
title_full Analytical study of charged boson stars with large scalar self-couplings
title_fullStr Analytical study of charged boson stars with large scalar self-couplings
title_full_unstemmed Analytical study of charged boson stars with large scalar self-couplings
title_short Analytical study of charged boson stars with large scalar self-couplings
title_sort analytical study of charged boson stars with large scalar self couplings
url http://link.springer.com/article/10.1140/epjc/s10052-018-5745-9
work_keys_str_mv AT nahomikan analyticalstudyofchargedbosonstarswithlargescalarselfcouplings
AT kiyoshishiraishi analyticalstudyofchargedbosonstarswithlargescalarselfcouplings