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Vortex Proliferation in the Berezinskii-Kosterlitz-Thouless Regime on a Two-Dimensional Lattice of Bose-Einstein Condensates Public Deposited
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https://scholar.colorado.edu/concern/articles/v979v371b
- Abstract
- We observe the proliferation of vortices in the Berezinskii-Kosterlitz-Thouless regime on a two-dimensional array of Josephson-coupled Bose-Einstein condensates. As long as the Josephson (tunneling) energy J exceeds the thermal energy T, the array is vortex free. With decreasing J/T, vortices appear in the system in ever greater numbers. We confirm thermal activation as the vortex-formation mechanism and obtain information on the size of bound vortex pairs as J/T is varied.
- Creator
- Date Issued
- 2007-07-17
- Academic Affiliation
- Journal Title
- Journal Issue/Number
- 3
- Journal Volume
- 99
- File Extent
- 030401-1-030401-4
- Last Modified
- 2019-12-05
- Resource Type
- Rights Statement
- DOI
- 10.1103/PhysRevLett.99.030401
- ISSN
- 0031-9007
- Language
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Thumbnail | Title | Date Uploaded | Visibility | Actions |
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vortexProliferationInTheBerezinskiiKosterlitzThoulessRegim.pdf | 2019-12-05 | Public | Download | |
vortexProliferationInTheBerezinskiiKosterlitzThoulessRegim.pdf | 2019-12-05 | Public | Download |