科研之友
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摘要
Thermal fluctuations of the order parameter in an ultrathin triangular-shaped superconducting structure are studied near T(c), in zero applied field. We find that the order parameter is prone to much larger fluctuations in the corners of the structure as compared to its interior. This geometry-induced localization of thermal fluctuations is attributed to the fact that condensate confinement in the corners is characterized by a lower effective dimensionality, which favors stronger fluctuations.
- 出版日期2010-8-27
