Stable multidimensional soliton stripes in two-component Bose-Einstein condensates

Details Stable multidimensional soliton stripes in two-component Bose-Einstein condensates Stable multidimensional soliton stripes in two-component Bose-Einstein condensates

2010-04-21

arxiv.org/abs/1004.3672v1

Chaos, Solitons and Fractals: the interdisciplinary journal of Nonlinear Science, and Nonequilibrium and Complex Phenomena, 44

Physics

Condensed Matter

Quantum Gases

8 pages, 11 figures

Scientific paper

10.1016/j.chaos.2010.12.012

We discuss how to construct stable multidimensional extensions of one-dimensional dark solitons, the so-called soliton stripes, in two-species Bose-Einstein condensates in the immiscible regime. We show how using a second component to fill the core a dark soliton stripe leads to reduced instabilities while propagating in homogeneous media. We also discuss how in the presence of a trap arbitrarily long-lived dark soliton stripes can be constructed by increasing the filling of the dark stripe core. Numerical evidences of the robustness of the dark soliton stripes in collision scenarios are also provided.

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