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Is there a d.c. Josephson Effect in Bilayer Quantum Hall Systems?

Yogesh N. Joglekar·Allan H. MacDonald
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Abstract

We argue on the basis of phenomenological and microscopic considerations that there is no d.c. Josephson effect in ordered bilayer quantum Hall systems, even at T=0. Instead the tunnel conductance is strongly enhanced, approaching a finite value proportional to the square of the order parameter as the interlayer tunneling amplitude vanishes.

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Yogesh N. Joglekar, Allan H. MacDonald. 2001-03-22. Is there a d.c. Josephson Effect in Bilayer Quantum Hall Systems?. https://doi.org/10.1103/physrevlett.87.196802

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