Fluctuations of observables for free fermions in a harmonic trap at finite temperature

Fluctuations of observables for free fermions in a harmonic trap at finite temperature

We study a system of 1D noninteracting spinless fermions in a confining trap at finite temperature. We first derive a useful and general relation for the fluctuations of the occupation numbers valid for arbitrary confining trap, as well as for both canonical and grand canonical ensembles. Using t...

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Bibliographic Details
Main Author: Aurélien Grabsch, Satya N. Majumdar, Grégory Schehr, Christophe Texier
Format: Article
Language:English
Published: SciPost 2018-03-01
Series:SciPost Physics
Online Access:https://scipost.org/SciPostPhys.4.3.014

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