Pulsating and persistent vector solitons in a Bose-Einstein condensate in a lattice upon phase separation instability
Shrestha, Uttam, Javanainen, Juha and Ruostekoski, Janne (2009) Pulsating and persistent vector solitons in a Bose-Einstein condensate in a lattice upon phase separation instability. Physical Review Letters, 103, (19), 190401-[4pp]. (doi:10.1103/PhysRevLett.103.190401)
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.103.190401
Description/Abstract
We study numerically the outcome of the phase separation instability of a dual-species Bose-Einstein
condensate in an optical lattice. When only one excitation mode is unstable a bound pair of bright and dark
solitonlike structures periodically appears and disappears, whereas for more than one unstable mode a
persistent soliton-antisoliton pair develops. The oscillating soliton represents a regime where the twospecies
condensate neither remains phase-separated nor is dynamically stable
| Item Type: | Article |
|---|---|
| ISSN: | 0031-9007 (print) |
| Related URLs: | http://dx.doi.org/10.1103/Phys...103.190401 |
| Subjects: | Q Science > QA Mathematics Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > School of Mathematics > Applied Mathematics |
| ePrint ID: | 69527 |
| Deposited On: | 17 Nov 2009 |
| Last Modified: | 01 Jun 2011 18:28 |
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