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VOLUME 77 | ISSUE 4 | PAGE 222
Surface instability of a multi-component condensate and Andreev-Bashkin effect
D. A. Abanin

Low Temperature Laboratory, Helsinki University of Technology, FIN-02015 HUT, Finland
Landau Institute for Theoretical Physics RAS, 117334 Moscow, Russia

PACS: 03.75.Mn, 67.57.De, 68.03.Kn, 97.60.Jd
It is shown that surface of a liquid consisting of several interpenetrating superfluids moving with different velocities becomes unstable at some threshold. We demonstrate that the criterion for the onset of the instability changes in the presence of disspative interaction between the surface and the environment. Possible physical applications of the surface instability are discussed.

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