Nanostructured superconductors with asymmetric pinning potentials

Vortex ratchets

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Ratchets formed from spatially asymmetric confining potentials can rectify an oscillatory driving force and generate directed motion. Such devices can probe the fundamental nature of particle transport in nanoscale systems, both solid state and biological. Vortices in superconductors form an ideal system for exploring ratchet phenomena. Various techniques are available for producing nanostructured pinning landscapes that can provide tailored asymmetries for vortex ratchets. Progress in the theory and experimental implementations of vortex ratchets will be reviewed. In many cases, intervortex interactions in ratchet structures result in intriguing collective effects in the vortex transport, such as reversals in the sense of the rectification. Future vortex ratchet investigations may probe possible quantum mechanical ratchet effects, explore the dynamics of single vortices in ratchets, and test vortex devices based on ratchet phenomena.

Original languageEnglish (US)
Article number5232856
Pages (from-to)3698-3714
Number of pages17
JournalIEEE Transactions on Applied Superconductivity
Volume19
Issue number5
DOIs
StatePublished - Oct 2009

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Superconducting materials
Vortex flow
vortices
probes
rectification
confining
asymmetry
solid state
interactions

Keywords

  • Superconducting device fabrication
  • Superconducting device measurements
  • Superconducting materials

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Nanostructured superconductors with asymmetric pinning potentials : Vortex ratchets. / Plourde, Britton.

In: IEEE Transactions on Applied Superconductivity, Vol. 19, No. 5, 5232856, 10.2009, p. 3698-3714.

Research output: Contribution to journalArticle

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