Ultracold atoms in quasi-one-dimensional traps: A step beyond the Lieb-Liniger model

Krzysztof Jachymski, Florian Meinert, Hagar Veksler, Paul S. Julienne, Shmuel Fishman

Research output: Contribution to journalArticlepeer-review


Ultracold atoms placed in a tight cigar-shaped trap are usually described in terms of the Lieb-Liniger model. We study the extensions of this model which arise when van der Waals interaction between atoms is taken into account. We find that the corrections induced by the finite range of interactions can become especially important in the vicinity of narrow Feshbach resonances and suggest realistic schemes of their experimental detection. The interplay of confinement and interactions can lead to effective transparency where the one-dimensional interactions are weak in a wide range of parameters.

Original languageEnglish
Article number052703
JournalPhysical Review A
Issue number5
StatePublished - 12 May 2017
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2017 American Physical Society.

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this