Colloquia

Colloquium
Friday, February 6, 2004
4:00 PM
Physics Building, Room 204
Note special time.
Note special room.

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"Superconductivity in 2-dimension"


Jongsoo Yoon , UVA
[Host: E. Kolomeisky]
ABSTRACT:
Superconductivity occurring in 2-dimension has been understood in the framework of Kosterlitz-Thouless theory, and the nature of the transition is very different from that in 3-dimension. We present our recent data on superconducting properties of ultra-thin tantalum films, and compare with predictions based on the Kosterlitz-Thouless theory. Breakdown of superconductivity near the critical current and new findings on the phenomenon will also be discussed.

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