Rakonjac, A. and Marchant, A.L. and Billam, T.P. and Helm, J.L. and Yu, M.M.H. and Gardiner, S.A. and Cornish, S.L. (2016) 'Measuring the disorder of vortex lattices in a Bose-Einstein condensate.', Physical review A., 93 (1). 013607.
Abstract
We report observations of the formation and subsequent decay of a vortex lattice in a Bose-Einstein condensate confined in a hybrid optical-magnetic trap. Vortices are induced by rotating the anharmonic magnetic potential that provides confinement in the horizontal plane. We present simple numerical techniques based on image analysis to detect vortices and analyze their distributions. We use these methods to quantify the amount of order present in the vortex distribution as it transitions from a disordered array to the energetically favorable ordered lattice.
| Item Type: | Article |
|---|---|
| Full text: | (VoR) Version of Record Download PDF (1607Kb) |
| Status: | Peer-reviewed |
| Publisher Web site: | http://dx.doi.org/10.1103/PhysRevA.93.013607 |
| Publisher statement: | Reprinted with permission from the American Physical Society: Physical Review A 93, 013607 © (2016) by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society. |
| Date accepted: | 10 December 2015 |
| Date deposited: | 20 January 2016 |
| Date of first online publication: | 11 January 2016 |
| Date first made open access: | 20 January 2016 |
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