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Updated: Aug 15, 2026

Scanning SQUID Study of Vortex Manipulation by Local Contact
Published on: February 1, 2017
Vortices and quasiparticles near the superconductor-insulator transition in thin films
Victor M Galitski1, G Refael, Matthew P A Fisher
1Kavli Institute for Theoretical Physics, University of California, Santa Barbara, 93106-4030, USA.
Abstract:
We study the low temperature behavior of an amorphous superconducting film driven normal by a perpendicular magnetic-field (B). For this purpose we introduce a new two-fluid formulation consisting of fermionized field-induced vortices and electrically neutralized Bogoliubov quasiparticles (spinons) interacting via a long-ranged statistical interaction. This approach allows us to access a novel non-Fermi-liquid phase, which naturally interpolates between the low B superconductor and the high B normal metal. We discuss the properties of the resulting "vortex metal" phase.
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