Differences between statistical mechanics and thermodynamics on the mesoscopic scale

Alex Kamenev; Yuval Gefen

doi:10.1103/PhysRevB.56.1025

Differences between statistical mechanics and thermodynamics on the mesoscopic scale

Alex Kamenev, Yuval Gefen

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

We present a systematic expansion in the ratio between the level spacing and temperature and employ it to evaluate differences between statistical mechanics and thermodynamics in finite disordered systems. These differences are related to spectral correlations in those systems. They are fairly robust and are suppressed at temperatures much higher than the level spacing.

Original language	English (US)
Pages (from-to)	1025-1028
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	56
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevB.56.1025
State	Published - 1997

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abstract = "We present a systematic expansion in the ratio between the level spacing and temperature and employ it to evaluate differences between statistical mechanics and thermodynamics in finite disordered systems. These differences are related to spectral correlations in those systems. They are fairly robust and are suppressed at temperatures much higher than the level spacing.",

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