Vortex formation by merging of multiple trapped bose-einstein condensates

David R. Scherer, Chad N. Weiler, Tyler W. Neely, Brian P. Anderson

Research output: Contribution to journalArticlepeer-review

171 Scopus citations


We report observations of vortex formation by merging and interfering multiple Rb87 Bose-Einstein condensates (BECs) in a confining potential. In this experiment, a single harmonic potential well is partitioned into three sections by a barrier, enabling the simultaneous formation of three independent, uncorrelated BECs. The BECs may either automatically merge together during their growth, or for high-energy barriers, the BECs can be merged together by barrier removal after their formation. Either process may instigate vortex formation in the resulting BEC, depending on the initially indeterminate relative phases of the condensates and the merging rate.

Original languageEnglish (US)
Article number110402
JournalPhysical review letters
Issue number11
StatePublished - Mar 12 2007

ASJC Scopus subject areas

  • General Physics and Astronomy


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