Extrinsic and intrinsic curvatures in thermodynamic geometry

We investigate the intrinsic and extrinsic curvatures of a certain hypersurface in thermodynamic geometry of a physical system and show that they contain useful thermodynamic information. For an anti-Reissner–Nordström-(A)de Sitter black hole (Phantom), the extrinsic curvature of a constant Q hypers...

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Main Authors: Seyed Ali Hosseini Mansoori, Behrouz Mirza, Elham Sharifian
Format: Article
Language:English
Published: Elsevier 2016-08-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269316302519
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author Seyed Ali Hosseini Mansoori
Behrouz Mirza
Elham Sharifian
author_facet Seyed Ali Hosseini Mansoori
Behrouz Mirza
Elham Sharifian
author_sort Seyed Ali Hosseini Mansoori
collection DOAJ
description We investigate the intrinsic and extrinsic curvatures of a certain hypersurface in thermodynamic geometry of a physical system and show that they contain useful thermodynamic information. For an anti-Reissner–Nordström-(A)de Sitter black hole (Phantom), the extrinsic curvature of a constant Q hypersurface has the same sign as the heat capacity around the phase transition points. The intrinsic curvature of the hypersurface can also be divergent at the critical points but has no information about the sign of the heat capacity. Our study explains the consistent relationship holding between the thermodynamic geometry of the KN-AdS black holes and those of the RN (J-zero hypersurface) and Kerr black holes (Q-zero hypersurface) ones [1]. This approach can easily be generalized to an arbitrary thermodynamic system.
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spelling doaj.art-8a662f7e4b064468a58abc0ddc0c9cfa2022-12-21T17:30:56ZengElsevierPhysics Letters B0370-26931873-24452016-08-01759C29830510.1016/j.physletb.2016.05.096Extrinsic and intrinsic curvatures in thermodynamic geometrySeyed Ali Hosseini Mansoori0Behrouz Mirza1Elham Sharifian2Department of Physics, Boston University, 590 Commonwealth Ave., Boston, MA 02215, USADepartment of Physics, Isfahan University of Technology, Isfahan 84156-83111, IranDepartment of Physics, Isfahan University of Technology, Isfahan 84156-83111, IranWe investigate the intrinsic and extrinsic curvatures of a certain hypersurface in thermodynamic geometry of a physical system and show that they contain useful thermodynamic information. For an anti-Reissner–Nordström-(A)de Sitter black hole (Phantom), the extrinsic curvature of a constant Q hypersurface has the same sign as the heat capacity around the phase transition points. The intrinsic curvature of the hypersurface can also be divergent at the critical points but has no information about the sign of the heat capacity. Our study explains the consistent relationship holding between the thermodynamic geometry of the KN-AdS black holes and those of the RN (J-zero hypersurface) and Kerr black holes (Q-zero hypersurface) ones [1]. This approach can easily be generalized to an arbitrary thermodynamic system.http://www.sciencedirect.com/science/article/pii/S0370269316302519
spellingShingle Seyed Ali Hosseini Mansoori
Behrouz Mirza
Elham Sharifian
Extrinsic and intrinsic curvatures in thermodynamic geometry
Physics Letters B
title Extrinsic and intrinsic curvatures in thermodynamic geometry
title_full Extrinsic and intrinsic curvatures in thermodynamic geometry
title_fullStr Extrinsic and intrinsic curvatures in thermodynamic geometry
title_full_unstemmed Extrinsic and intrinsic curvatures in thermodynamic geometry
title_short Extrinsic and intrinsic curvatures in thermodynamic geometry
title_sort extrinsic and intrinsic curvatures in thermodynamic geometry
url http://www.sciencedirect.com/science/article/pii/S0370269316302519
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AT behrouzmirza extrinsicandintrinsiccurvaturesinthermodynamicgeometry
AT elhamsharifian extrinsicandintrinsiccurvaturesinthermodynamicgeometry