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Alternative approach to thermodynamic phase transitions

《中国物理C:英文版》2019年 第11期 | Seyed Hossein Hendi Shahram Panahiyan Behzad Eslam Panah Mubasher Jamil   Physics Department and Biruni Observatory College of Sciences Shiraz University Shiraz 71454 Iran Research Institute for Astronomy and Astrophysics of Maragha(RIAAM) P.O.Box 55134-441 Maragha Iran Physics Department Shahid Beheshti University Tehran 19839 Iran Helmholtz-Institut Jena Fröbelstieg 3 Jena 07743 Germany ICRANet Piazza della Repubblica 10 I-65122 Pescara Italy School of Natural Sciences(SNS) National University of Sciences and Technology H-12 Islamabad 44000 Pakistan Institute for Theoretical Physics and Cosmology Zhejiang University of Technology Hangzhou 310023 China
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摘 要:One of the major open problems in theoretical physics is the lack of a consistent quantum gravity theory.Recent developments in our knowledge on thermodynamic phase transitions of black holes and their van der Waalslike behavior may provide an interesting quantum interpretation of classical gravity.Studying different methods of investigating phase transitions can extend our understanding of the nature of quantum gravity.In this paper,we present an alternative theoretical approach for finding thermodynamic phase transitions in the extended phase space.Unlike the standard methods based on the usual equation of state involving temperature,our approach uses a new quasiequation constructed from the slope of temperature versus entropy.This approach addresses some of the shortcomings of the other methods and provides a simple and powerful way of studying the critical behavior of a thermodynamical system.Among the applications of this approach,we emphasize the analytical demonstration of possible phase transition points and the identification of the non-physical range of horizon radii for black holes.
【分 类】【数理科学和化学】 > 物理学 > 理论物理学
【关键词】 black hole thermodynamics phase transition van der Waals behavior
【出 处】 《中国物理C:英文版》2019年 第11期 58-66页 共9页
【收 录】 中文科技期刊数据库

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