Critical states in disordered superconducting films

DOI10.1088/0305-4470/37/36/L01zbMATH Open1064.82039arXivcond-mat/0406122OpenAlexW3124793728MaRDI QIDQ4654374

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Publication date: 4 March 2005

Published in: (Search for Journal in Brave)

Abstract: When subject to a pair-breaking perturbation, the pairing susceptibility of a disordered superconductor exhibits substantial long-ranged mesoscopic fluctuations. Focusing on a thin film subject to a parallel magnetic field, it is proposed that the quantum phase transition to the bulk superconducting condensate may be preempted by the formation of a glass-like phase with multi-fractal correlations of a complex order parameter. Although not universal, we argue that such behavior may be a common feature of quantum critical phenomena in disordered environments.

Full work available at URL: https://arxiv.org/abs/cond-mat/0406122

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