The Minimal Length and the Quantum Partition Functions

Abstract

We study the thermodynamics of various physical systems in the framework of the Generalized Uncertainty Principle that implies a minimal length uncertainty proportional to the Planck length. We present a general scheme to analytically calculate the quantum partition function of the physical systems to first order of the deformation parameter based on the behavior of the modified energy spectrum and compare our results with the classical approach. Also, we find the modified internal energy and heat capacity of the systems for the anti-Snyder framework.

12 pages, to appear in Journal of Statistical Mechanics (JSTAT)

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• Generalized uncertainty principle and thermostatistics: a semiclassical approach
• On the reformulation of Thomas-Fermi model to make it compatible to the Planck-scale