Vol. 1, No. 2, 2019

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Quantum mean-field asymptotics and multiscale analysis

Zied Ammari, Sébastien Breteaux and Francis Nier

Vol. 1 (2019), No. 2, 221–272
Abstract

We study, via multiscale analysis, a defect-of-compactness phenomenon which occurs in bosonic and fermionic quantum mean-field problems. The approach relies on a combination of mean-field asymptotics and second microlocalized semiclassical measures. The phase space geometric description is illustrated by various examples.

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Keywords
semiclassical measures, multiscale measures, reduced density matrices, second quantization, microlocal analysis
Mathematical Subject Classification 2010
Primary: 81S30, 81Q20, 81V70, 81S05
Milestones
Received: 16 October 2017
Accepted: 27 February 2018
Published: 14 May 2018
Authors
Zied Ammari
IRMAR
Université de Rennes I
UMR-CNRS 6625
Campus de Beaulieu
Rennes
France
Sébastien Breteaux
Institut Elie Cartan de Lorraine
Université de Lorraine
Metz
France
Francis Nier
LAGA
UMR-CNRS 9345
Université de Paris 13
Villetaneuse
France