[en] We consider quasi-stationary scattering of interacting bosonic matter waves in one-dimensional waveguides, as they arise in guided atom lasers. We show how the truncated Wigner (tW) method, which corresponds to the semiclassical description of the bosonic many-body system on the level of the diagonal approximation, can be utilized in order to describe such many-body bosonic scattering processes. Special emphasis is put on the discretization of space at the exact quantum level, in order to properly implement the semiclassical approximation and the tW method, as well as on the discussion of the results to be obtained in the continuous limit.
Disciplines :
Physics
Author, co-author :
Dujardin, Julien ; Université de Liège > Département de physique > Physique quantique statistique
Engl, Thomas
Urbina, Juan Diego
Schlagheck, Peter ; Université de Liège > Département de physique > Physique quantique statistique
Language :
English
Title :
Describing many-body bosonic waveguide scattering with the truncated Wigner method
Publication date :
October 2015
Journal title :
Annalen der Physik
ISSN :
0003-3804
eISSN :
1521-3889
Publisher :
Wiley, Weinheim, Germany
Special issue title :
Complex quantum systems
Volume :
527
Pages :
629
Peer reviewed :
Peer Reviewed verified by ORBi
Tags :
CÉCI : Consortium des Équipements de Calcul Intensif
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