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  • Letter
  • Open Access

Solitonic gravastars in a U(1) gauge-Higgs model

Tatsuya Ogawa*

Hideki Ishihara†

  • Osaka Central Advanced Mathematical Institute, Osaka Metropolitan University, Osaka 558-8585, Japan

  • Nambu Yoichiro Institute of Theoretical and Experimental Physics (NITEP), Osaka Central Advanced Mathematical Institute, Osaka Metropolitan University, Osaka 558-8585, Japan

  • *taogawa@omu.ac.jp
  • †h.ishihara@omu.ac.jp
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Phys. Rev. D 107, L121501 – Published 16 June, 2023

DOI: https://doi.org/10.1103/PhysRevD.107.L121501

Abstract

We numerically obtain gravastar solutions as nontopological solitons in a system that consists of a U(1) gauge Higgs model with a complex scalar field and Einstein gravity. The solitonic gravastar solutions are compact enough to have a photon sphere.

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Phys. Rev. D 107, L121501– Published 16 June, 2023
  • Received 16 March 2023
  • Accepted 18 May 2023
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

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