Low-frequency response in the surface superconducting state of single-crystal ZrB 12

Grigory I. Leviev*, Valery M. Genkin, Menachem I. Tsindlekht, Israel Felner, Yurii B. Paderno, Vladimir B. Filippov

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

A large nonlinear response of a single crystal of ZrB 12 to an ac field (frequency 40-2500 Hz) for H 0 >H c2 has been observed. Direct measurements of the ac wave form and the exact numerical solution of the Ginzburg-Landau equations, as well as the phenomenological relaxation equation, permit the study of the surface superconducting state dynamics. It is shown that the low-frequency response is defined by transitions between the metastable superconducting states under the action of an ac field. The relaxation rate that determines such transition dynamics is found.

Original languageEnglish
Article number064506
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume71
Issue number6
DOIs
StatePublished - Feb 2005

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