2019/03/31 by Lennart Dabelow, Peter Reimann · 2 citations
Medicine · Physics and Astronomy · #Classical mechanics #Cold Atom Physics and Bose-Einstein Condensates #Many-body theory #Medicine #Physics #Quantum #Quantum and electron transport phenomena #Quantum many-body systems #Quantum mechanics #Relaxation (psychology) #Statistical physics #cond-mat.stat-mech #quant-ph
paper · pdf · doi:10.1103/physrevlett.124.120602
published as Phys. Rev. Lett. 124, 120602 (2020) · 6 pages, 4 figures (+ suppl. 30 pages, 4 figures); title changed during peer review
openalex publication_date 2020/03/23 · arxiv created 2020/03/24 · arxiv updated 2020/03/25 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
An analytical prediction is established of how an isolated many-body quantum system relaxes towards its thermal longtime limit under the action of a time-independent perturbation, but still remaining sufficiently close to a reference case whose temporal relaxation is known. This is achieved within the conceptual framework of a typicality approach by showing and exploiting that the time-dependent expectation values behave very similarly for most members of a suitably chosen ensemble of perturbations. The predictions are validated by comparison with various numerical and experimental results from the literature.