Vortex formation by merging of multiple trapped bose-einstein condensates

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

doi:10.1103/PhysRevLett.98.110402

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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177 Scopus citations

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 language	English (US)
Article number	110402
Journal	Physical review letters
Volume	98
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevLett.98.110402
State	Published - Mar 12 2007

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.98.110402

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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.",

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AU - Weiler, Chad N.

AU - Neely, Tyler W.

AU - Anderson, Brian P.

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N2 - 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.

AB - 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.

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Vortex formation by merging of multiple trapped bose-einstein condensates

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