Journal
EUROPEAN PHYSICAL JOURNAL D
Volume 70, Issue 4, Pages -Publisher
SPRINGER
DOI: 10.1140/epjd/e2016-70016-x
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Funding
- Iuventus Plus [0440/IP3/2015/73]
- (Polish) Ministry of Science and Higher Education
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The dynamics of two ultra-cold bosons confined in a one-dimensional double-well potential is studied. We compare the exact dynamics governed by a full two-body Hamiltonian with the dynamics obtained in a two-mode model approximation. We show that for sufficiently large interactions the two-mode model breaks down and higher single-particle states have to be taken into account to describe the dynamical properties of the system correctly.
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