4.4 Article

Radial Oscillations of Quark Stars Admixed with Dark Matter

期刊

UNIVERSE
卷 8, 期 1, 页码 -

出版社

MDPI
DOI: 10.3390/universe8010034

关键词

quark stars; dark matter; radial oscillations

资金

  1. INCT-FNA [464898/2014-5]
  2. Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [2020/07791-7, 2018/24720-6]
  3. Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES) [001]
  4. Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
  5. Fundacao de Amparo a Pesquisa do Estado do Rio de Janeiro (FAPERJ)

向作者/读者索取更多资源

This study investigates compact stars composed of cold quark matter and fermionic dark matter, treated as two mixed fluids. The stellar structures and fundamental radial oscillation frequencies are calculated for different masses of the dark fermion under weak and strong self-interacting dark matter scenarios. It is found that the fundamental frequency can be significantly modified, leading to the formation of stable dark strange planets and dark strangelets with very low masses and radii.
We investigated compact stars consisting of cold quark matter and fermionic dark matter treated as two admixed fluids. We computed the stellar structures and fundamental radial oscillation frequencies of different masses of the dark fermion in the cases of weak and strong self-interacting dark matter. We found that the fundamental frequency can be dramatically modified and, in some cases, stable dark strange planets and dark strangelets with very low masses and radii can be formed.

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