A Study of Universal Thermodynamics in Brane World Scenario
Saugata Mitra, Subhajit Saha, and Subenoy Chakraborty
TL;DR
This paper investigates the principles of universal thermodynamics within brane world models, analyzing horizon entropy modifications and the validity of thermodynamic laws in different brane scenarios.
Contribution
It explores thermodynamic laws in RSII and DGP brane models, revealing modifications to horizon entropy and examining the second law in these frameworks.
Findings
Modified Bekenstein entropy on horizons
Validation of the generalized second law in brane models
Conditions for thermodynamic equilibrium established
Abstract
A study of Universal thermodynamics is done in the frame work of RSII brane model and DGP brane scenario. The Universe is chosen as FRW model bounded by apparent or event horizon. Assuming extended Hawking temperature on the horizon, the unified first law is examined for perfect fluid (with constant equation of state) and modified Chaplygin gas model. As a result there is a modification of Bekenstein entropy on the horizons. Further the validity of the generalized second law of thermodynamics and thermodynamical equilibrium are also investigated.
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