爱因斯坦- ads引力下的磁性黑洞与非线性电动力学、扩展相空间热力学和焦耳-汤姆逊展开耦合

IF 1.1 4区物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY

Canadian Journal of Physics Pub Date : 2023-07-13 DOI:10.1139/cjp-2023-0119

S. Kruglov

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引用次数: 0

摘要

研究了AdS空间中耦合非线性电动力学的爱因斯坦引力。我们分析了度量、质量函数和Reissner- Nordström解的修正。研究了扩展相空间中的磁性黑洞热力学。我们给出了黑洞热力学第一定律，证明广义Smarr关系成立。通过计算吉布斯自由能和热容来研究黑洞的稳定性。为了研究黑洞的冷却和加热相变，我们考虑焦耳-汤姆逊等焓膨胀。计算了焦耳—汤姆逊系数和反转温度。

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Magnetic black holes within Einstein-AdS gravity coupled to nonlinear electrodynamics, extended phase space thermodynamics and Joule--Thomson expansion

Einstein's gravity in AdS space coupled to nonlinear electrodynamics is studied. We analyse the metric, mass functions and corrections to the Reissner--Nordström solution. Magnetic black holes thermodynamics in extended phase space is investigated. We formulate the first law of black hole thermodynamics showing that the generalized Smarr relation holds. The black hole stability is studied by evaluating the Gibbs free energy and heat capacity. To study the cooling and heating phase transitions of black holes we consider the Joule--Thomson isenthalpic expansion. The Joule--Thomson coefficient and the inversion temperature are calculated.

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来源期刊

Canadian Journal of Physics 物理-物理：综合

CiteScore

2.30

自引率

8.30%

发文量

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.