f (G, T)重力下辐射球能量密度均匀性的存在性

IF 1.1 4区 物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY Canadian Journal of Physics Pub Date : 2022-08-10 DOI:10.1139/cjp-2022-0069
Z. Yousaf, M. Z. Bhatti, A. Farhat
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引用次数: 3

摘要

本文以f(G, T)引力理论中的局部各向异性辐射流体为例,讨论了涌现非均匀性的责任量,其中G为高斯-博内项,T为应力-能量张量的轨迹。借助爱因斯坦场方程的修正版本,观察了质量函数的时间和径向变化。为了观察自重力流体的动力学,建立了共形张量的动力学方程和微分方程,有助于理解修正项、Weyl曲率和流体参数在能量密度不规则性中的作用。考虑流体的不同方面以满足期望的结果。
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Existence of Energy Density Homogeneity for Radiating Spheres in f (G, T ) Gravity
This work discusses the responsible quantities of the emergence inhomogeneity by taking locally anisotropic radiating fluid in f(G, T ) theory of gravity, where G is the Gauss-Bonnet term and T is the trace of stress-energy tensor. The temporal and radial change in mass function is observed with the help of modified version of Einstein’s field equations. To observe the dynamics of self-gravitating fluid, the dynamical equations and differential equations for conformal tensor are formulated, which help to understand the role of correction terms, Weyl curvature and fluid parameter in the energy-density irregularity. Different aspects of fluid are considered to meet the desired results.
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来源期刊
Canadian Journal of Physics
Canadian Journal of Physics 物理-物理:综合
CiteScore
2.30
自引率
8.30%
发文量
65
审稿时长
1.7 months
期刊介绍: The Canadian Journal of Physics publishes research articles, rapid communications, and review articles that report significant advances in research in physics, including atomic and molecular physics; condensed matter; elementary particles and fields; nuclear physics; gases, fluid dynamics, and plasmas; electromagnetism and optics; mathematical physics; interdisciplinary, classical, and applied physics; relativity and cosmology; physics education research; statistical mechanics and thermodynamics; quantum physics and quantum computing; gravitation and string theory; biophysics; aeronomy and space physics; and astrophysics.
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