Poster (Scientific congresses and symposiums)
1D many-body quantum transport of Bose-Einstein condensates : a truncated Wigner approach
Dujardin, Julien; Argüelles Parra, Arturo; Schlagheck, Peter
2012DPG Spring Meeting 2012
 

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Keywords :
Bose-Einstein; Condensate; Truncated Wigner; Many-Body; Scattering
Abstract :
[en] We calculate the transport properties of an ultracold gas of Bose- Einstein condensed atoms that is coupled from a magnetic trap into a one-dimensional waveguide. A central aim of such guided atom lasers is to study the role of atom-atom interaction in many-body transport processes across finite scattering regions within the waveguide resembling tunnel junctions and quantum dots. Our numerical approach to solve this many-body scattering problem is based on a home-made theory where the boundaries of the system are simulating an open system enabling us to calulate observable in the steady-state regime such as density, current, transmission. The results are compared to the mean-field regime.
Research center :
Physique Quantique Statistique
Disciplines :
Physics
Author, co-author :
Dujardin, Julien ;  Université de Liège - ULiège > Département de physique > Physique quantique statistique
Argüelles Parra, Arturo ;  Université de Liège - ULiège > Département de physique > Physique quantique statistique
Schlagheck, Peter ;  Université de Liège - ULiège > Département de physique > Physique quantique statistique
Language :
English
Title :
1D many-body quantum transport of Bose-Einstein condensates : a truncated Wigner approach
Publication date :
29 March 2012
Event name :
DPG Spring Meeting 2012
Event organizer :
Deutsche Physikalische Gesellschaft
Event place :
Berlin, Germany
Event date :
from 26-03-2012 to 20-03-2012
Audience :
International
Available on ORBi :
since 15 May 2012

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