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Domain walls of single-component Bose–Einstein condensates in external potentials

✍ Scribed by P.G. Kevrekidis; B.A. Malomed; D.J. Frantzeskakis; A.R. Bishop; H.E. Nistazakis; R. Carretero-González

Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
538 KB
Volume
69
Category
Article
ISSN
0378-4754

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Nonlinear effects in periodic potentials
Nonlinear effects in periodic potentials: asymmetric Landau-Zener tunnelling of a Bose-Einstein condensate
✍ M. Jona-Lasinio; O. Morsch; M. Cristiani; N. Malossi; J. H. Müller; E. Courtade; 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 394 KB

From a two-level model for nonlinear Landau-Zener tunnelling between two energy bands of a Bose-Einstein condensate in a periodic potential we obtain unequal tunnelling rates for the two directions of tunnelling. With increasing nonlinearity, tunnelling from the ground state to the excited state is