Dynamics of superconducting vortices driven by oscillatory forces in the plastic flow regime

Abstract

We study experimentally and theoretically, the reorganization of superconducting vortices driven by oscillatory forces near the plastic depinning transition. We show that the system can be taken to configurations that are tagged by the shaking parameters but keep no trace of the initial conditions. In experiments performed in $NbS{e}_2$ crystals, the periodic drive is induced by ac magnetic shaking fields and the overall order of the resulting configuration is determined by non invasive ac susceptibility measurements. With a model of interacting particles driven over random landscapes, we perform molecular dynamics simulations that reveal the nature of the shaking dynamics as fluctuating states similar to those predicted for other interacting particle systems.

5 pages, 4 figures

References in corpus (12)

• Elastic theory of flux lattices in presence of weak disorder
• Elastic Theory of pinned flux lattices
• Instabilities and disorder-driven first-order transition of the vortex lattice
• Sliding charge density wave in manganites
• Plastic Motion of a Flux-line Lattice Driven by Alternating Current
• Reversible to Irreversible Flow Transition in Periodically Driven Vortices
• Random Organization and Plastic Depinning
• Ordered, disordered and coexistent stable vortex lattices in NbSe_2 single crystals
• Domain-wall depinning assisted by pure spin currents
• Temperature driven structural phase transition for trapped ions and its experimental detection
• Depinning and dynamics of AC driven vortex lattices in random media
• Coarsening of Topological Defects in Oscillating Systems with Quenched Disorder

Cited by in corpus (12)

• Depinning and nonequilibrium dynamic phases of particle assemblies driven over random and ordered substrates: a review
• Deformation of crystals: Connections with statistical physics
• Theoretical estimates of maximum fields in superconducting resonant radio frequency cavities: Stability theory, disorder, and laminates
• Critical behavior at de-pinning of a driven disordered vortex matter in 2H-NbS2
• Transient magnetic domain wall AC dynamics by means of MOKE microscopy
• Dynamic reorganization of vortex matter into partially disordered lattices
• Disorder-induced two-step melting of vortex matter in Co-intercalated NbSe${}_2$ single crystals
• Metastability and hysteretic vortex pinning near the order-disorder transition in NbSe${}_2$: An interplay between plastic and elastic energy barriers?
• Attractive interaction between superconducting vortices in tilted magnetic fields
• Thermal hysteresis of the Campbell response as a probe for bulk pinscape spectroscopy
• Suppression of the Melting Line in a Weakly Disordered Flux-line System
• Ac dynamic reorganization and non-equilibrium phase transition in driven vortex matter