Swift loss of coherence of soliton trains in attractive bose-einstein condensates

Alexej I. Streltsov, Ofir E. Alon, Lorenz S. Cederbaum

Research output: Contribution to journalArticlepeer-review

Abstract

Experiments on ultracold attractive Bose-Einstein condensates (BECs) have demonstrated that at low dimensions atomic clouds can form localized objects, propagating for long times without significant changes in their shapes and attributed to bright matter-wave solitons, which are coherent objects. We consider the dynamics of bright soliton trains from the perspective of many-boson physics. The fate of matter-wave soliton trains is actually to quickly lose their coherence and become macroscopically fragmented BECs. The death of the coherent matter-wave soliton trains gives birth to fragmented objects, whose quantum properties and experimental signatures differ substantially from what is currently assumed.

Original languageEnglish
Article number240401
Number of pages4
JournalPhysical Review Letters
Volume106
Issue number24
DOIs
StatePublished - 14 Jun 2011

ASJC Scopus subject areas

  • Physics and Astronomy (all)

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