JOSEPHSON EFFECT IN MULTILAYER QUANTUM HALL SYSTEMS
- 10 December 1993
- journal article
- Published by World Scientific Pub Co Pte Ltd in Modern Physics Letters B
- Vol. 7 (28) , 1825-1832
- https://doi.org/10.1142/s0217984993001843
Abstract
We study the Josephson effect in certain weakly linked multilayer quantum Hall (QH) states at filling factors ν=1, 1/3, 1/5, …. A Landau-Ginzburg-Chern-Simons approach is developed, in which the physics is described in terms of coherent interlayer tunneling of bosonized electrons in a way similar to the usual picture in terms of Cooper pair tunneling in the superconductor case. The observation of the Josephson current should constitute a direct experimental test of the widely believed existence of condensation of bosonized electrons in QH fluids.Keywords
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