Nonlinear dynamics of magnetic vortices in single-crystal and ion-damaged N

J. Zhang, L. De Long, V. Majidi

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


Nonlinear dynamics of magnetic flux lines in superconducting Nb(Formula presented) are studied using the vibrating-reed technique and a resonance-line-shape analysis. A yield point for plastic deformation of the flux-line lattice is linked to the onset of a dissipation anomaly previously associated with a flux-line lattice melting transition. The resonance (10 kHz range) of radiation-damaged samples bifurcates into patterned sidebands at high drives, with additional nonlinear response emerging above 200 kHz, which may signal the onset of chaos.

Original languageEnglish
Pages (from-to)R8851-R8854
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number14
StatePublished - 1996

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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