Chains of rotating boson stars

Gervalle, Romain

doi:10.48550/arxiv.2206.03982

Cited by 1 publication

(2 citation statements)

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“…Firstly, the generalization of stationary solution of chains of rotating BSs are also analyzed in Ref. [26], we would like to extend our study to construct the rotating generalizations of chains of boson stars with the free scalar field. Secondly, it is interesting to construct the multistated chains of BSs, where coexisting states of the several scalar fields are presented, including the ground and excited states.…”

Section: Discussionmentioning

confidence: 99%

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Chains of mini-boson stars

Sun¹,

Wang²,

Zhao³

2022

Preprint

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In this paper, we re-investigate the stationary, soliton-like solutions in the model of the Einstein gravity coupled to a free and complex scalar field, which have been known as mini-boson stars. With numerical method, we find that in addition to the usual single mini-boson star solutions, there exist a novel family of solutions interpreted as chains of boson stars, which is made of some boson stars along the symmetry axis. We show the configuration of two types of chains, including an even number of constituents and an odd number of constituents. Furthermore, we also study the effect of the frequency of the complex scalar field on the ADM mass M and the U (1) scalar charge Q. It is interesting to note that the existence of chains of boson stars does not require the introduction of a complex scalar field with self-interacting potential.

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Section: Discussionmentioning

confidence: 99%

“…Moreover, in the second branch of odd-numbered star chains with loop patterns, the system of star chains turn into a radially excited spherically symmetric boson star. Rotating generalizations of chains of boson stars with the sextic potential also been studied in [26].…”

Section: Introductionmentioning

confidence: 99%