This article is cited in 11 papers

Collective vibrations in a three-band superconductor

M. E. Palistrant

Institute of Applied Physics Academy of Sciences of Moldova

Abstract: Collective vibrations in a superconductor with three overlapping energy bands on the Fermi surface are investigated. It is shown that for certain relationships between the parameters of the theory there can, in addition to the acoustic branch, be two different branches of exciton type, which arise because of fluctuations of the phases of the order parameters.

Received: 21.05.1992

 English version: Theoretical and Mathematical Physics, 1993, 95:1, 432–438

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