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Motion of dark solitons in trapped Bose-Einstein condensates | | Th. Busch
; J. R. Anglin
; | | Date: |
25 Dec 1999 | | Subject: | Condensed Matter; Pattern Formation and Solitons | cond-mat nlin.PS quant-ph | | Abstract: | We use a multiple time scale boundary layer theory to derive the equation of motion for a dark (or `grey’) soliton propagating through an effectively one-dimensional cloud of Bose-Einstein condensate, assuming only that the background density and velocity vary slowly on the soliton scale. We show that solitons can exhibit viscous or radiative acceleration (anti-damping), which we estimate as slow but observable on experimental time scales. | | Source: | arXiv, cond-mat/0001360 | | Other source: | [GID 236142] pmid11018869 | | Services: | Forum | Review | PDF | Favorites | |
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