Quasi-periodic oscillations and particle motion around charged black hole surrounded by a cloud of strings and quintessence field in Rastall gravity

被引：43

作者：

Ashraf, Asifa ^{[1
]}

Ditta, Allah ^{[2
,3
]}

Sofuoglu, Deger ^{[4
]}

Ma, Wen-Xiu ^{[1
,5
,6
,7
]}

Javed, Faisal ^{[8
]}

Atamurotov, Farruh ^{[9
,10
,11
]}

Mahmood, Asif ^{[12
]}

机构：

[1] Zhejiang Normal Univ, Sch Math Sci, Jinhua 321004, Zhejiang, Peoples R China

[2] Shanghai Univ, Dept Math, Shanghai 200444, Peoples R China

[3] Shanghai Univ, Newtouch Ctr Math, Shanghai 200444, Peoples R China

[4] Istanbul Univ, Dept Phys, TR-34134 Istanbul, Turkiye

[5] King Abdulaziz Univ, Dept Math, Jeddah 21589, Saudi Arabia

[6] Univ S Florida, Dept Math & Stat, Tampa, FL 33620 USA

[7] North West Univ, Sch Math & Stat Sci, Mafikeng Campus,Private Bag X2046, ZA-2735 Mmabatho, South Africa

[8] Zhejiang Normal Univ, Dept Phys, Jinhua 321004, Peoples R China

[9] New Uzbekistan Univ, Movarounnahr St 1, Tashkent 100000, Uzbekistan

[10] Univ Tashkent Appl Sci, Str Gavhar 1, Tashkent 100149, Uzbekistan

[11] Natl Univ Uzbekistan, Inst Theoret Phys, Tashkent 100174, Uzbekistan

[12] King Saud Univ Riyadh, Coll Engn, Chem Engn Dept, Riyadh, Saudi Arabia

来源：

PHYSICA SCRIPTA | 2024年 / 99卷 / 06期

关键词：

particle motion; Rastall gravity; quasi-periodic oscillations; CONFORMAL GRAVITY; EINSTEIN; DYNAMICS; SPIN; UNIVERSE; LAMBDA;

D O I：

10.1088/1402-4896/ad3e36

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

This work mainly focuses on unveiling the particle dynamics features of black holes. For this objective, we utilize the charged black hole geometry consisting of the cloud strings and quintessence under the ansatz of Rastall gravity. We have calculated and analyzed the effective potential, angular momentum, particle energy, horizon radius, inner stable circular orbit, photon sphere radius, quasi-periodic oscillations, and effective force to reveal the dynamical features. We in detail discussed the effects of charge in black hole, Rastall parameter, strings of cloud parameter, and quintessential parameter on the calculated results. To ensure the scenario of accelerated expansion, omega(q) lies in the range -1 < omega(q) < -1/3. From this specific range, we choose omega(q) = -2/3.

引用

页数：18

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