Vortex formation by merging of multiple trapped bose-einstein condensates

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

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Abstract

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
Volume98
Issue number11
DOIs
StatePublished - Mar 12 2007

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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