Low-temperature vortex dynamics in twinned superconductors

M. Cristina Marchetti, Valerii M. Vinokur

Research output: Contribution to journalArticle

18 Scopus citations

Abstract

The low-temperature dynamics of magnetic flux lines driven to move transverse to family of parallel twin planes maps onto the dynamics of carriers in one-dimensional disordered semiconductors. As in flux arrays with columnar pins, there is a regime where the dynamics is dominated by superkink excitations that correspond to Mott variable-range hopping (VRH) of carriers. In one dimension, however, rare events, such as large regions void of twin planes, can impede VRH and dominate transport in samples that are sufficiently long in the direction of flux motion. In short samples rare regions can be responsible for mesoscopic effects.

Original languageEnglish (US)
Pages (from-to)3409-3412
Number of pages4
JournalPhysical Review Letters
Volume72
Issue number21
DOIs
StatePublished - Jan 1 1994

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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