Mode locking of vortex matter driven through mesoscopic channels

Abstract

We investigated the driven dynamics of vortices confined to mesoscopic flow channels by means of a dc-rf interference technique. The observed mode-locking steps in the $IV$-curves provide detailed information on how the number of rows and lattice structure in the channel change with magnetic field. Minima in flow stress occur when an integer number of rows is moving coherently, while maxima appear when incoherent motion of mixed $n$ and $n\pm 1$ row configurations is predominant. Simulations show that the enhanced pinning at mismatch originates from quasi-static fault zones with misoriented edge dislocations induced by disorder in the channel edges.

some minor changes were made, 4 pages, 4 figures, accepted for publication in Phys. Rev. Lett

Cited by in corpus (37)

• Peak effect and dynamic melting of vortex matter in NbSe${}_2$ crystals
• Asymmetric weak-pinning superconducting channels: vortex ratchets
• Dynamic ordering and frustration of confined vortex rows studied by mode-locking experiments
• Shapiro Steps for Skyrmion Motion on a Washboard Potential with Longitudinal and Transverse ac Drives
• Dynamic ordering of driven vortex matter in the peak effect regime of amorphous MoGe films and 2H-NbSe2 crystals
• Transverse instabilities of multiple vortex chains in superconductor-ferromagnet bilayers
• Dynamic melting of confined vortex matter
• Depinning and dynamics of vortices confined in mesoscopic flow channels
• Long-range nonlocal flow of vortices in narrow superconducting channels
• Vortex configurations and dynamics in elliptical pinning sites for high matching fields
• Vortex dynamics in superconducting channels with periodic constrictions
• Single File Diffusion enhancement in a fluctuating modulated 1D channel
• Evidence of Vortex Jamming in Abrikosov Vortex Flux Flow Regime
• Structural Order and Melting of a Quasi-One-Dimensional Electron System
• Self organized mode locking effect in superconductor / ferromagnet hybrids
• Dynamic mode locking in a driven colloidal system: experiments and theory
• Nonlinear dynamics, rectification, and phase locking for particles on symmetrical two-dimensional periodic substrates with dc and circular ac drives
• Application of largest Lyapunov exponent analysis on the studies of dynamics under external forces
• Enhancement of mobilities in a pinned multidomain crystal
• Depinning in a two-layer model of plastic flow
• Depinning of a vortex chain in a disordered flow channel
• Vortex crossing and trapping in doubly connected mesoscopic loops of a single-crystal type II superconductor
• ${}^4$He sample probe for combined microwave and dc transport measurements
• Transverse phase-locking in fully frustrated Josephson junction arrays: a new type of fractional giant steps
• Positive and Negative Drag, Dynamic Phases, and Commensurability in Coupled One-Dimensional Channels of Particles with Yukawa Interactions
• Plastic depinning in artificial vortex channels: competition between bulk and boundary nucleation
• Colloidal Lattice Shearing and Rupturing with a Driven Line of Particles
• Superconducting Vortices induced Periodic Magnetoresistance Oscillations in Single Crystal Au Nanowires
• Picovoltmeter for probing vortex dynamics in a single weak-pinning Corbino channel
• The phase boundary of superconducting niobium thin films with antidot arrays fabricated with microsphere photolithography
• Incommensuration Effects and Dynamics in Vortex Chains
• Flow and Tilt-Induced Orientation of the Moving Vortex Lattice in Amorphous NbGe Superconducting Thin Films
• Vortex lattice dynamics in a-NbGe detected by mode-locking experiments
• Coherent and Incoherent Vortex Flow States in Crossed Channels
• Dynamical fluctuations in mode locking experiments on vortices moving through mesoscopic channels
• Mode-Locking in Driven Disordered Systems as a Boundary-Value Problem
• The largest Lyapunov exponent as a tool for detecting relative changes in the particle positions