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Quantum vortex dynamics in Josephson arrays and optical lattices
Author(s) -
Fazio R.,
Schön G.
Publication year - 2012
Publication title -
annalen der physik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.009
H-Index - 68
eISSN - 1521-3889
pISSN - 0003-3804
DOI - 10.1002/andp.201100279
Subject(s) - physics , josephson effect , vortex , observable , quantum , dissipation , condensed matter physics , macroscopic quantum phenomena , superconductivity , quantum mechanics , mechanics
In Josephson junction arrays, vortices form stable topological excitations. A key step towards the understanding of their properties was the observation made by Eckern and Schmid that in low‐capacitance junction arrays a vortex behaves as a massive particle moving in a periodic potential and subject to dissipation. The mass is low and quantum effects become observable. The present contribution provides a review of these properties together with a discussion of similar scenarios realized in optical lattices.