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Semiclassical Theory of Bardeen-Cooper-Schrieffer Pairing-Gap Fluctuations by Olofsson, H.; Åberg, S.; Leboeuf, P. is a scholarly article available to read on EtoBox.

What is Semiclassical Theory of Bardeen-Cooper-Schrieffer Pairing-Gap Fluctuations about?

Superfluidity and superconductivity are genuine many-body manifestations of quantum coherence. For finite-size systems the associated pairing gap fluctuates as a function of size or shape. We provide a parameter free theoretical description of pairing fluctuations in mesoscopic systems characterized by order/chaos dynamics. The theory accurately describes experimental observations of nuclear superfluidity (regular system), predicts universal fluctuations of superconductivity in small chaotic metallic grains, and provides a global analysis in ultracold Fermi gases.

Author

Olofsson, H.; Åberg, S.; Leboeuf, P.

Published

2007

Language

EN