GUP修正了f(Q)重力下的卡西米尔虫洞

IF 2.1 4区 物理与天体物理 Q2 ASTRONOMY & ASTROPHYSICS General Relativity and Gravitation Pub Date : 2023-08-10 DOI:10.1007/s10714-023-03139-y
Zinnat Hassan, Sayantan Ghosh, P. K. Sahoo, V. Sree Hari Rao
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引用次数: 4

摘要

我们系统地展示了广义不确定性原理(GUP)在卡西米尔虫洞时空中的作用,在最近提出的修正引力中,即所谓的对称遥平行引力,或f(Q)引力。在本研究中,我们考虑了两个著名的GUP模型,即Kempf, Mangano, and Mann (KMM)模型和Detournay, Gabriel, and Spindel (DGS)模型。为了求出解,我们假设了两种不同的f(Q)形式,并在GUP的作用下得到了解析解和数值解。此外,我们还研究了在喉部各向异性流体作用下具有三种不同红移函数的解。进一步,对得到的虫洞解在能量条件下,特别是在虫洞喉处的零能量条件下进行了分析,发现在半径为\(r_0\)的虫洞喉处存在一些不尊重经典能量条件的任意量。随后,还讨论了ADM质量和体积积分量词,以计算虫洞喉部附近所需的外来物质的数量。此外,我们还展示了在GUP作用下状态参数方程的行为。
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GUP corrected Casimir wormholes in f(Q) gravity

We have systematically presented the effect of the generalized uncertainty principle (GUP) in Casimir wormhole space-time in the recently proposed modified gravity, the so-called symmetric teleparallel gravity, or f(Q) gravity. We consider two famous GUP models, such as the Kempf, Mangano, and Mann (KMM) model and the Detournay, Gabriel, and Spindel (DGS) model, in this study. Also, to find the solutions, we assumed two different f(Q) forms and obtained analytic as well as numerical solutions under the effect of GUP. Besides this, we investigate the solutions with three different redshift functions under an anisotropic fluid located at the throat. Further, we analyzed the obtained wormhole solutions with energy conditions, especially null energy conditions at the wormhole’s throat, and encountered that some arbitrary quantity disrespects the classical energy conditions at the wormhole throat of radius \(r_0\). Later, the ADM mass and the volume integral quantifier are also discussed to calculate the amount of exotic matter required near the wormhole throat. Additionally, we show the behavior of the equation of state parameters under the effect of GUP.

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来源期刊
General Relativity and Gravitation
General Relativity and Gravitation 物理-天文与天体物理
CiteScore
4.60
自引率
3.60%
发文量
136
审稿时长
3 months
期刊介绍: General Relativity and Gravitation is a journal devoted to all aspects of modern gravitational science, and published under the auspices of the International Society on General Relativity and Gravitation. It welcomes in particular original articles on the following topics of current research: Analytical general relativity, including its interface with geometrical analysis Numerical relativity Theoretical and observational cosmology Relativistic astrophysics Gravitational waves: data analysis, astrophysical sources and detector science Extensions of general relativity Supergravity Gravitational aspects of string theory and its extensions Quantum gravity: canonical approaches, in particular loop quantum gravity, and path integral approaches, in particular spin foams, Regge calculus and dynamical triangulations Quantum field theory in curved spacetime Non-commutative geometry and gravitation Experimental gravity, in particular tests of general relativity The journal publishes articles on all theoretical and experimental aspects of modern general relativity and gravitation, as well as book reviews and historical articles of special interest.
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