Search for Vortex Unbinding in Two-Dimensional Superconductors
- 12 January 1981
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 46 (2), 148-152
- https://doi.org/10.1103/physrevlett.46.148
Abstract
The Kosterlitz-Thouless theory applied to two-dimensional superconducting films suggests that vortex unbinding can explain their gradual resistive transitions. An experiment which directly probes the dynamics of unbinding is reported. The results indicate that, if vortex unbinding does occur in our superconducting films, the dynamic theory overestimates the relaxation time by almost two orders of magnitude.Keywords
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