Mesoscopic Observables of the Dilute Fermi Gas at Low Energy

arXiv (Cornell University) 2026 Preprint Open access

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Authors: Niels Benedikter, Emanuela L. Giacomelli, Asbjørn Bækgaard Lauritsen, Sascha Lill
DOI: 10.48550/arxiv.2602.12067
Cited by: 0

Abstract

We consider a dilute quantum gas of interacting spin-1/2 fermions in the thermodynamic limit. For a trial state that resolves the ground state energy to the precision of the Huang--Yang formula, we compute the expectation values of one-body observables on a mesoscopic scale.

Fields of Study & Subjects

Cold Atom Physics and Bose-Einstein Condensates Quantum many-body systems Spectral Theory in Mathematical Physics

Publication details

Journal / source
arXiv (Cornell University)
Publication date
12 February 2026
Language
EN
Document type
Preprint