Bose-Einstein condensates in 2D with time-periodic scattering length

F. Kh Abdullaev, J. G. Caputo, Roberto André Kraenkel, B. A. Malomed

Research output: Contribution to journalArticlepeer-review

Abstract

We discuss two-dimensional Bose-Einstein Condensates (BEC) under time-periodic variation of the scattering length. In particular we argue that for high-frequency variation there exist stable self-confined condensates without an external trap, when the dc component of the scattering length is negative. Our results are based on a variational approximation, on direct averaging of the Gross-Pitaevskii equation and on numerical simulations.

Original languageEnglish
Pages (from-to)671-676
Number of pages6
JournalJournal of Low Temperature Physics
Volume134
Issue number1-2
DOIs
StatePublished - Jan 2004
Externally publishedYes

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