Formation and dynamics of many-boson fragmented states in one-dimensional attractive ultracold gases

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

Research output: Contribution to journalArticlepeer-review

Abstract

The dynamics of attractive ultracold bosonic clouds in one dimension is studied by solving the many-particle time-dependent Schrödinger equation. The initially coherent wave packet can dynamically dissociate into two parts when its energy exceeds a threshold value. Noticeably, the time-dependent Gross-Pitaevskii theory does not show up the splitting. We call the split object fragmenton. It possesses remarkable properties; in particular, it is macroscopically fragmented. A simple static model predicts the existence of fragmented states responsible for the formation and dynamics of fragmentons.

Original languageEnglish
Article number130401
JournalPhysical Review Letters
Volume100
Issue number13
DOIs
StatePublished - 1 Apr 2008
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy

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