338 citations · 2.7k across the 36 of their papers we have counts for
24 papers · 1 filter
Metastability and Transient Effects in Vortex Matter Near a Decoupling Transition
C. J. Olson, C. Reichhardt, R. T. Scalettar +2
We examine metastable and transient effects both above and below the first-order decoupling line in a 3D simulation of magnetically interacting pancake vortices. We observe pronoun…
Transverse Phase Locking for Vortex Motion in Square and Triangular Pinning Arrays
C. Reichhardt, C. J. Olson
We analyze transverse phase locking for vortex motion in a superconductor with a longitudinal DC drive and a transverse AC drive. For both square and triangular arrays we observe a…
Vortex Pinball Under Crossed AC Drives in Superconductors with Periodic Pinning Arrays
C. Reichhardt, C. J. Olson
Vortices driven with both a transverse and a longitudinal AC drive which are out of phase are shown to exhibit a novel commensuration-incommensuration effect when interacting with…
Commensurate and Incommensurate Vortex Lattice Melting in Periodic Pinning Arrays
C. Reichhardt, C. J. Olson, R. T. Scalettar +1
We examine the melting of commensurate and incommensurate vortex lattices interacting with square pinning arrays through the use of numerical simulations. For weak pinning strength…
Collective Interaction-Driven Ratchet for Transporting Flux Quanta
C. J. Olson, C. Reichhardt, B. Janko +1
We propose and study a novel way to produce a DC transport of vortices when applying an AC electrical current to a sample. Specifically, we study superconductors with a graduated r…
Critical depinning force and vortex lattice order in disordered superconductors
C. J. Olson, C. Reichhardt, S. Bhattacharya
We simulate the ordering of vortices and its effects on the critical current in superconductors with varied vortex-vortex interaction strength and varied pinning strengths for a tw…
Hysteretic depinning and dynamical melting for magnetically interacting vortices in disordered layered superconductors
C. J. Olson, C. Reichhardt, V. M. Vinokur
We examine the depinning transitions and the temperature versus driving force phase diagram for magnetically interacting pancake vortices in layered superconductors. For strong dis…
Disordering Transitions in Vortex Matter: Peak Effect and Phase Diagram
C. J. Olson, C. Reichhardt, R. T. Scalettar +2
Using numerical simulations of magnetically interacting vortices in disordered layered superconductors we obtain the static vortex phase diagram as a function of magnetic field and…
Metastability and Transient Effects in Vortex Matter Near a Disorder Driven Transition
C. J. Olson, C. Reichhardt, R. T. Scalettar +2
We examine metastable and transient effects both above and below the first-order disorder driven decoupling line in a 3D simulation of magnetically interacting pancake vortices. We…
Driven vortices in 3D layered superconductors: Dynamical ordering along the c-axis
A. B. Kolton, D. Dominguez, C. J. Olson +1
We study a 3D model of driven vortices in weakly coupled layered superconductors with strong pinning. Above the critical force , we find a plastic flow regime in which pancake…
Static and dynamic coupling transitions of vortex lattices in disordered anisotropic superconductors
C. J. Olson, G. T. Zimanyi, A. B. Kolton +1
We use three-dimensional molecular dynamics simulations of magnetically interacting pancake vortices to study vortex matter in disordered, highly anisotropic materials such as BSCC…
Vortex Pinning and Dynamics in Layerd Superconductors with Periodic Pinning Arrays
Charles Reichhardt, Cynthia J. Olson, Niels Gronbech-Jensen
We examine vortex dynamics and pinning in layered superconductors using three-dimensional molecular dyanmics simulations of magnetically interacting pancake vortices. Our model tre…
Depinning and dynamic phases in driven three-dimensional vortex lattices in anisotropic superconductors
C. J. Olson, N. Gronbech-Jensen
We use three-dimensional molecular dynamics simulations of magnetically interacting pancake vortices to study the dynamic phases of vortex lattices in highly anisotropic materials…
Superconducting Fluxon Pumps and Lenses
J. F. Wambaugh, C. Reichhardt, C. J. Olson +2
We study stochastic transport of fluxons in superconductors by alternating current (AC) rectification. Our simulated system provides a fluxon pump, "lens", or fluxon "rectifier" be…
Dynamic Vortex Phases and Pinning in Superconductors with Twin Boundaries
C. Reichhardt, C. J. Olson, Franco Nori
We investigate the pinning and driven dynamics of vortices interacting with twin boundaries using large scale molecular dynamics simulations on samples with near one million pinnin…
Transverse depinning in strongly driven vortex lattices with disorder
C. J. Olson, C. Reichhardt
Using numerical simulations we investigate the transverse depinning of moving vortex lattices interacting with random disorder. We observe a finite transverse depinning barrier for…
The Effect of Splayed Pins on Vortex Creep and Critical Currents
C. J. Olson, R. T. Scalettar, G. T. Zimanyi
We study the effects of splayed columnar pins on the vortex motion using realistic London Langevin simulations. At low currents vortex creep is strongly suppressed, whereas the cri…
Topological Invariants in Microscopic Transport on Rough Landscapes: Morphology, Hierarchical Structure, and Horton Analysis of Riverlike Networks of Vortices
A. P. Mehta, C. Reichhardt, C. J. Olson +1
River basins as diverse as the Nile, the Amazon, and the Mississippi satisfy certain topological invariants known as Horton's laws. Do these macroscopic (up to 10^3 km) laws extend…
Nonequilibrium Dynamic Phase Diagram for Vortex Lattices
C. J. Olson, C. Reichhardt, Franco Nori
The new dynamic phase diagram for driven vortices with varying lattice softness we present here indicates that, at high driving currents, at least two distinct dynamic phases of fl…
Fractal Networks, Braiding Channels, and Voltage Noise in Intermittently Flowing Rivers of Quantized Magnetic Flux
C. J. Olson, C. Reichhardt, Franco Nori
We analyze the microscopic dynamics of vortex motion through channels that form river-like fractal networks in a variety of superconducting samples, and relate it to macroscopic me…
Commensurate and Incommensurate Vortex States in Superconductors with Periodic Pinning Arrays
C. Reichhardt, C. J. Olson, Franco Nori
As a function of applied field, we find a rich variety of ordered and partially-ordered vortex lattice configurations in systems with square or triangular arrays of pinning sites.…
Superconducting vortex avalanches, voltage bursts, and vortex plastic flow: Effect of the microscopic pinning landscape on the macroscopic properties
C. J. Olson, C. Reichhardt, Franco Nori
Using large-scale simulations on parallel processors, we analyze in detail the dynamical behavior of superconducting vortices undergoing avalanches. In particular, we quantify the…
Dynamic Phases of Vortices in Superconductors with Periodic Pinning
C. Reichhardt, C. J. Olson, Franco Nori
We present results from extensive simulations of driven vortex lattices interacting with periodic arrays of pinning sites. Changing an applied driving force produces a rich variety…
Plastic Flow, Voltage Bursts, and Vortex Avalanches in Superconductors
C. J. Olson, C. Reichhardt, J. Groth +2
We use large-scale parallel simulations to compute the motion of superconducting magnetic vortices during avalanches triggered by small field increases. We find that experimentally…