292 citations · 1.5k across the 86 of their papers we have counts for
64 papers
Skyrmion gears: translation-to-rotation conversion of skyrmion clusters along periodic substrates
N. P. Vizarim, C. J. O. Reichhardt, C. Reichhardt
We investigate how the translational motion of a compact skyrmion cluster can be converted into collective rotation through interactions with a periodic obstacle substrate. Using a…
Subharmonic Shapiro steps in depinning dynamics of a 2D solid dusty plasma modulated by 1D nonlinear deformed periodic substrates
Zhaoye Wang, Nichen Yu, Ao xu +4
Langevin dynamical simulations are performed to investigate the depinning dynamics of a two-dimensional solid dusty plasma, which is modulated by one-dimensional nonlinear deformed…
Ratchet Effects in Cyclic Pattern Formation Systems with Competing Interactions
C. Reichhardt, C. J. O. Reichhardt
Ratchet effects can appear for particles interacting with an asymmetric potential under ac driving or for a thermal system in which a substrate is periodically flashed. Here, we sh…
Ordered and Disordered Skyrmion States on a Square Substrate
J. C. Bellizotti Souza, C. J. O. Reichhardt, C. Reichhardt +2
We examine the ordering of skyrmions interacting with a square substrate created from a modulation of anisotropy using atomistic simulations. We consider fillings of {\it f} = 1.5,…
Shapiro Steps Observed in a Two-Dimensional Yukawa Solid Modulated by a One-Dimensional Vibrational Periodic Substrate
Zhaoye Wang, Nichen Yu, C. Reichhardt +4
Depinning dynamics of a two-dimensional (2D) solid dusty plasma modulated by a one-dimensional (1D) vibrational periodic substrate are investigated using Langevin dynamical simulat…
Cyclic phase transition of substrate-modulated 2D dusty plasma driven by oscillatory forces
Ao Xu, C. Reichhardt, C. J. O. Reichhardt +1
Langevin dynamical simulations are performed to investigate the formation of clusters and voids of a two-dimensional-periodic-substrate (2DPS) modulated two-dimensional dusty plasm…
Stripe and Bubble Ratchets on Asymmetric Substrates
C. Reichhardt, C. J. O. Reichhardt
We show that a variety of non-monotonic ratchet effects can arise when mesophase pattern-forming systems, which exhibit anisotropic crystal, stripe, and bubble reigmes, are coupled…
Turbulence to order transitions in activity patterned active nematics
Cody D. Schimming, C. J. O. Reichhardt, C. Reichhardt
We numerically study two-dimensional active nematics with periodic activity patterning. For stripes of activity, we observe a transition from two-dimensional to one-dimensional act…
Depinning, Melting and Sliding of Generalized Wigner Crystals in Moire Systems
C. Reichhardt, C. J. O. Reichhardt
We numerically examine the depinning, sliding, and melting of commensurate and incommensurate Wigner crystals on two-dimensional hexagonal periodic substrates near fillings of 1/3,…
Shapiro Steps and Stability of Skyrmions Interacting with Alternating Anisotropy Under the Influence of ac and dc Drives
J. C. Bellizotti Souza, N. P. Vizarim, C. J. O. Reichhardt +2
We use atomistic simulations to examine the sliding dynamics of a skyrmion in a two-dimensional system containing a periodic one-dimensional stripe pattern of variations between lo…
Active Nematic Ratchet in Asymmetric Obstacle Arrays
Cody D. Schimming, C. J. O. Reichhardt, C. Reichhardt
We numerically investigate the effect of a periodic array of asymmetric obstacles in a two-dimensional active nematic. We find that activity in conjunction with the asymmetry leads…
Sliding Dynamics for Bubble Phases on Periodic Modulated Substrates
C. Reichhardt, C. J. O. Reichhardt
We analyze a bubble forming system composed of particles with competing long range repulsive and short range attractive interactions driven over a quasi-one-dimensional periodic su…
Controlled Skyrmion Ratchet in Linear Protrusion Defects
J. C. Bellizotti Souza, N. P. Vizarim, C. J. O. Reichhardt +2
Using atomistic simulations, we investigate the dynamical behavior of a single skyrmion interacting with an asymmetric linear protrusion array under external ac driving. When the a…
Vortex Lattices in Active Nematics with Periodic Obstacle Arrays
Cody D. Schimming, C. J. O. Reichhardt, C. Reichhardt
We numerically model a two-dimensional active nematic confined by a periodic array of fixed obstacles. Even in the passive nematic, the appearance of topological defects is unavoid…
Friction mediated phase transition in confined active nematics
Cody D. Schimming, C. J. O. Reichhardt, C. Reichhardt
Using a minimal continuum model, we investigate the interplay between circular confinement and substrate friction in active nematics. Upon increasing the friction from low to high,…
Perspective on Reversible to Irreversible Transitions in Periodic Driven Many Body Systems and Future Directions For Classical and Quantum Systems
C. Reichhardt, Ido Regev, K. Dahmen +2
Reversible to irreversible (R-IR) transitions arise in numerous periodically driven collectively interacting systems that, after a certain number of driving cycles, organize into a…
Transition from Susceptible-Infected to Susceptible-Infected-Recovered Dynamics in a Susceptible-Cleric-Zombie-Recovered Active Matter Model
A. Libal, P. Forgacs, A. Neda +3
The Susceptible-Infected (SI) and Susceptible-Infected-Recovered (SIR) models provide two distinct representations of epidemic evolution, distinguished by the lack of spontaneous r…
Bidirectional flow of two-dimensional dusty plasma under asymmetric periodic substrates driven by unbiased external excitations
Wei Li, D. Huang, C. Reichhardt +2
Collective transport properties of a one-dimensional asymmetric periodic substrate (1DAPS) modulated two-dimensional dusty plasma (2DDP) driven by an unbiased sinusoidal excitation…
Dynamical commensuration effect in a two-dimensional Yukawa solid modulated by periodic substrates
Wenqi Zhu, C. Reichhardt, C. J. O. Reichhardt +1
Transverse depinning dynamics of a periodic-square-substrate modulated two-dimensional dusty plasma solid driven by a constant force in the longitudinal direction are investigated…
Nonlinear Dynamics, Avalanches and Noise for Driven Wigner Crystals
C. Reichhardt, C. J. O. Reichhardt
We consider the driven dynamics of Wigner crystals interacting with random disorder. Using numerical simulations, we find a rich variety of transport phenomena as a function of cha…
Superlubric-pinned transition of a two-dimensional solid dusty plasma under a periodic triangular substrate
Y. Huang, C. Reichhardt, C. J. O. Reichhardt +1
The superlubric-pinned transition in the depinning dynamics of a two-dimensional (2D) solid dusty plasma modulated by 2D triangular periodic substrates is investigated using Langev…
Pattern Formation and Flocking for Particles Near the Jamming Transition on Resource Gradient Substrates
L. Varga, A. Libal, C. Reichhardt +1
We numerically examine a bidisperse system of active and passive particles coupled to a resource substrate. The active particles deplete the resource at a fixed rate and move towar…
Directional Locking in a 2D Yukawa Solid Modulated by a 2D Periodic Substrate
Wenqi Zhu, C. Reichhardt, C. J. O. Reichhardt +1
Directional depinning dynamics of a 2D dusty plasma solid modulated by a 2D square periodic substrate are investigated using Langevin dynamical simulations. We observe prominent di…
Dynamic Phases and Reentrant Hall Effect for Vortices and Skyrmions on Periodic Pinning Arrays
C. J. O. Reichhardt, C. Reichhardt
We consider the motion of superconducting vortices and skyrmions on a square substrate near the first commensurate matching field. Slightly above commensuration, a series of dynami…