Impact of cold dark matter and variable equations of state on the stability of thin-shell wormholes

被引:0
|
作者
Waseem, Arfa [1 ,3 ,6 ]
Javed, Faisal [2 ,3 ,6 ]
Mustafa, G. [2 ,3 ,6 ]
Atamurotov, Farruh [3 ,4 ,5 ,6 ]
Almutairi, Bander [7 ]
机构
[1] Govt Coll Women Univ, Dept Math, Sialkot, Pakistan
[2] Zhejiang Normal Univ, Dept Phys, Jinhua 321004, Peoples R China
[3] Univ Tashkent Appl Sci, Str Gavhar 1, Tashkent 100149, Uzbekistan
[4] Natl Res Univ TIIAME, Inst Fundamental & Appl Res, Kori Niyoziy 39, Tashkent 100000, Uzbekistan
[5] Urgench State Univ, Kh Alimdjan Str 14, Urgench 220100, Uzbekistan
[6] Shahrisabz State Pedag Inst, Shahrisabz Str 10, Shahrisabz 181301, Uzbekistan
[7] King Saud Univ, Coll Sci, Dept Math, POB 2455, Riyadh 11451, Saudi Arabia
来源
关键词
Israel formalism; Thin-shell wormholes; Dark matter; Stability analysis; WEAK DEFLECTION ANGLE; TRAVERSABLE WORMHOLES; LINEARIZED STABILITY; BLACK-HOLE; GRAVITY; SHADOW; GRAVASTARS; FIELD;
D O I
10.1016/j.dark.2024.101613
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The goal of this research is to better understand how two identical black hole copies, bounded by a cold dark matter halo, produce and stabilize thin-shell wormholes. The occurrence of a cold dark matter halo discovered to increase the black hole's horizon radius. Investigating the stable geometry of these wormholes by linearized radial perturbation analysis is the main objective of the work. It is noteworthy that the development of thin-shell wormholes with reduced energy limitations is associated with the presence of a cold dark matter halo. We study how the stability of the wormholes is affected by variable equations of state, including phantomlike, variable Chaplygin, and barotropic equations of state. The question emphasizes how crucial the existence of a cold dark matter halo is to preserving stable thin-shell wormhole configurations. The findings shed light on the interactions between a cold dark matter halo and wormholes, which improved our knowledge of both phenomena and their possible consequences for extraterrestrial travel.
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页数:10
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