Thermodynamic geometry of Reissener-Nordström-de Sitter black hole and its extremal case

  • R. Tharanath
  • Jishnu Suresh
  • Nijo Varghese
  • V. C. Kuriakose
Research Article


We study the thermodynamics and the different thermodynamic geometric methods of Reissener-Nordström-de Sitter black hole and its extremal case, which is similar to the de Sitter black hole coupled to a scalar field, rather called an MTZ black hole. While studying the thermodynamics of the systems, we could find some abnormalities. In both cases, the thermodynamic geometric methods could give the correct explanation for all abnormal thermodynamic behaviors in the system.


Black hole thermodynamics Phase transitions Thermodynamic metric Geometrothermodynamics 



We thank the reviewer for the useful comments. We are grateful to Hernando Quevedo for the fruitful discussions. TR wishes to thank UGC, New Delhi for financial support under RFSMS scheme. JS wishes to thank UGC for the project under which he is working. VCK is thankful to UGC, New Delhi for financial support through a Major Research Project and wishes to acknowledge Associateship of IUCAA, Pune, India.


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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • R. Tharanath
    • 1
  • Jishnu Suresh
    • 1
  • Nijo Varghese
    • 1
  • V. C. Kuriakose
    • 1
  1. 1.Department of PhysicsCochin University of Science and TechnologyCochinIndia

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