Stability Properties of Geometrothermodynamic Cosmological Models

We consider a particular isotropic and homogeneous cosmological model, in which the equation of state is obtained from a thermodynamic fundamental equation by using the formalism of geometrothermodynamics (GTD). The model depends effectively on three arbitrary constants, which can be fixed to reprod...

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Detalles Bibliográficos
Autores principales: Beissen, Nurzada, Abishev, Medeu, Khassanov, Manas, Aitassov, Temirbolat, Mamatova, Sagira, Toktarbay, Saken
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10606119/
https://www.ncbi.nlm.nih.gov/pubmed/37895512
http://dx.doi.org/10.3390/e25101391
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author Beissen, Nurzada
Abishev, Medeu
Khassanov, Manas
Aitassov, Temirbolat
Mamatova, Sagira
Toktarbay, Saken
author_facet Beissen, Nurzada
Abishev, Medeu
Khassanov, Manas
Aitassov, Temirbolat
Mamatova, Sagira
Toktarbay, Saken
author_sort Beissen, Nurzada
collection PubMed
description We consider a particular isotropic and homogeneous cosmological model, in which the equation of state is obtained from a thermodynamic fundamental equation by using the formalism of geometrothermodynamics (GTD). The model depends effectively on three arbitrary constants, which can be fixed to reproduce the main aspects of the inflationary era and the [Formula: see text] CDM paradigm. We use GTD to analyze the geometric properties of the corresponding equilibrium space and to derive the stability properties and phase transition structure of the cosmological model.
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spelling pubmed-106061192023-10-28 Stability Properties of Geometrothermodynamic Cosmological Models Beissen, Nurzada Abishev, Medeu Khassanov, Manas Aitassov, Temirbolat Mamatova, Sagira Toktarbay, Saken Entropy (Basel) Article We consider a particular isotropic and homogeneous cosmological model, in which the equation of state is obtained from a thermodynamic fundamental equation by using the formalism of geometrothermodynamics (GTD). The model depends effectively on three arbitrary constants, which can be fixed to reproduce the main aspects of the inflationary era and the [Formula: see text] CDM paradigm. We use GTD to analyze the geometric properties of the corresponding equilibrium space and to derive the stability properties and phase transition structure of the cosmological model. MDPI 2023-09-28 /pmc/articles/PMC10606119/ /pubmed/37895512 http://dx.doi.org/10.3390/e25101391 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Beissen, Nurzada
Abishev, Medeu
Khassanov, Manas
Aitassov, Temirbolat
Mamatova, Sagira
Toktarbay, Saken
Stability Properties of Geometrothermodynamic Cosmological Models
title Stability Properties of Geometrothermodynamic Cosmological Models
title_full Stability Properties of Geometrothermodynamic Cosmological Models
title_fullStr Stability Properties of Geometrothermodynamic Cosmological Models
title_full_unstemmed Stability Properties of Geometrothermodynamic Cosmological Models
title_short Stability Properties of Geometrothermodynamic Cosmological Models
title_sort stability properties of geometrothermodynamic cosmological models
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10606119/
https://www.ncbi.nlm.nih.gov/pubmed/37895512
http://dx.doi.org/10.3390/e25101391
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