Dynamics of the Abrikosov Vortices on Cylindrical Microtubes

R. O. Rezaev, E. A. Levchenko, O. G. Schmidt, V. M. Fomin

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We consider the special features at nano- and microscales of the vortex dynamics on superconducting cylindrical Nb tubes produced by the roll-up (self-rolling) technique. A transport current enters the tube through electrodes placed on both sides of a cut (in the paraxial direction) of the tube. The system is in the magnetic field perpendicular to the tube axis. The vortex dynamics is described by means of characteristic times: time (Δt1) needed for a vortex to move from one edge of the tube to another and time (Δt2) between two consecutive vortex nucleation events at one edge of the tube. A range of magnetic field values is analyzed where Δt1 as a function of the magnetic field has a highly nonlinear and non-monotonic behavior. For certain values of the magnetic field, two different trajectories are possible for a moving vortex, i.e., a bifurcation phenomenon occurs. We explain the reason of this bifurcation.

Original languageEnglish
Pages (from-to)623-628
Number of pages6
JournalRussian Physics Journal
Volume58
Issue number5
DOIs
Publication statusPublished - 1 Sep 2015

Keywords

  • bifurcation
  • superconducting cylindrical tubes
  • vortex dynamics

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Fingerprint Dive into the research topics of 'Dynamics of the Abrikosov Vortices on Cylindrical Microtubes'. Together they form a unique fingerprint.

  • Cite this