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Related papers: On `The conformal metric structure of Geometrother…

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In this letter, we first redefine our formalism of the thermodynamic geometry introduced in [1,2] by changing coordinates of the thermodynamic space by means of Jacobian matrices. We then show that the geometrothermodynamics (GTD) is…

General Relativity and Quantum Cosmology · Physics 2020-03-17 Seyed Ali Hosseini Mansoori , Behrouz Mirza

We use the formalism of Geometrothermodynamics to derive a series of fundamental equations for thermodynamic systems. It is shown that all these fundamental equations can be used in the context of relativistic cosmology to derive diverse…

General Relativity and Quantum Cosmology · Physics 2013-02-21 Orlando Luongo , Hernando Quevedo

In this work we employ a recently devised metric within the Geometrothermodynamics program to study ordinary thermodynamic systems. The new feature of this metric is that, in addition to Legendre symmetry, it exhibits invariance under a…

Mathematical Physics · Physics 2013-03-07 H. Quevedo , F. Nettel , C. S. Lopez-Monsalvo , A. Bravetti

This paper presents a comprehensive review of geometrical thermodynamics, which employs geometric concepts to study the thermodynamic properties of physical systems. The review covers key topics such as thermodynamic fluctuation theory,…

General Relativity and Quantum Cosmology · Physics 2023-10-31 S. Mahmoudi , Kh. Jafarzade , S. H. Hendi

Local conformal transformations are known as a useful tool in various applications of the gravitational theory, especially in cosmology. We describe some new aspects of these transformations, in particular using them for derivation of…

General Relativity and Quantum Cosmology · Physics 2023-06-05 D. F. Carneiro , E. A. Freiras , B. Gonçalves , A. G. de Lima , I. L. Shapiro

We review the main aspects of geometrothermodynamics, a formalism that uses contact geometry and Riemannian geometry to describe the properties of thermodynamic systems. We show how to handle in a geometric way the invariance of classical…

General Relativity and Quantum Cosmology · Physics 2023-07-26 Orlando Luongo , Hernando Quevedo

We present a review of the main aspects of geometrothermodynamics, an approach which allows us to associate a specific Riemannian structure to any classical thermodynamic system. In the space of equilibrium states, we consider a Legendre…

Mathematical Physics · Physics 2011-04-11 Hernando Quevedo , Alejandro Vazquez

We continue to explore the scaling transformation in the reduced action formalism of gravity models. As an extension of our construction, we consider the extended forms of the Smarr relation for various black holes, adopting the…

High Energy Physics - Theory · Physics 2017-04-18 Seungjoon Hyun , Jaehoon Jeong , Sang-A Park , Sang-Heon Yi

This paper presents a study of the applicability boundary of the well-known quantum field theory. Based on the results of black hole thermodynamics, it is shown that this boundary may be lying at a level of the energy scales much lower than…

High Energy Physics - Theory · Physics 2022-01-11 Alexander Shalyt-Margolin

We study thermodynamics and geometrothermodynamics of a particular black hole configuration with a nonlinear source. We use the mass as fundamental equation, from which it follows that the curvature radius must be considered as a…

General Relativity and Quantum Cosmology · Physics 2021-08-11 Alberto Sánchez

Recently a short scale modified black hole metric, known as holographic metric, has been proposed in order to capture the self-complete character of gravity. In this paper we show that such a metric can reproduce some geometric features…

General Relativity and Quantum Cosmology · Physics 2016-05-23 Antonia M. Frassino , Sven Köppel , Piero Nicolini

This text provides an overview of the (geometric) thermodynamic formalism for transcendental meromorphic and entire functions with particular emphasis on geometric/fractal aspects such as Bowen's Formula expressing the hyperbolic dimension…

Dynamical Systems · Mathematics 2020-11-25 Volker Mayer , Mariusz Urbanski

We discuss possible observational manifestations of static, spherically symmetric solutions of a class of multidimensional theories of gravity, which includes the low energy limits of supergravities and superstring theories as special…

General Relativity and Quantum Cosmology · Physics 2015-06-25 K. A. Bronnikov , V. N. Melnikov

We apply the formalism of geometrothermodynamics to the case of black holes with cosmological constant in four and higher dimensions. We use a thermodynamic metric which is invariant with respect to Legendre transformations and determines…

High Energy Physics - Theory · Physics 2009-12-10 Hernando Quevedo , Alberto Sanchez

The thermodynamics of black holes is reformulated within the context of the recently developed formalism of geometrothermodynamics. This reformulation is shown to be invariant with respect to Legendre transformations, and to allow several…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Hernando Quevedo

In this paper we show how almost cosymplectic structures are a natural framework to study thermodynamical systems. Indeed, we are able to obtain the same evolution equations obtained previously by Gay-Balmaz and Yoshimura (see Entropy,…

Mathematical Physics · Physics 2024-12-25 Manuel de León , Jaime Bajo

We use a new, conformally-invariant method of analysis to test incomplete null geodesics approaching the singularity in a model of an evaporating black hole for the possibility of extensions of the conformal metric. In general, a local…

General Relativity and Quantum Cosmology · Physics 2009-01-16 Christian Lübbe , Paul Tod

Application of the noncommutative geometry to several physical models is considered.

General Relativity and Quantum Cosmology · Physics 2007-05-23 P. A. Saponov

In this work, generalized hypergeometric functions for bicomplex argument is introduced and its convergence criteria is derived. Furthermore, integral representation of this function has been established. Moreover, quadratic transformation,…

Complex Variables · Mathematics 2025-04-08 Snehasis Bera , Sourav Das , Abhijit Banerjee

We derive the approximate pressure profiles, density profiles, and temperature profiles of an atmosphere, also called barometric formulas. Our variant of a derivation goes beyond the common standard exercise of a thermodynamics lecture,…

Atmospheric and Oceanic Physics · Physics 2010-03-11 Gerhard Gerlich , Ralf D. Tscheuschner
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