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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 directional locking effects when the direction of the external…

Plasma Physics · Physics 2024-04-23 Wenqi Zhu , C. Reichhardt , C. J. O. Reichhardt , Yan Feng

We investigate the depinning dynamics of two-dimensional dusty plasmas (2DDP) driven over one-dimensional periodic substrates (1DPS) using Langevin dynamical simulations. We find that, for a specific range of substrate strengths, as the…

Plasma Physics · Physics 2019-09-25 W. Li , K. Wang , C. Reichhardt , C. J. O. Reichhardt , M. S. Murillo , Y. Feng

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 Langevin dynamical simulations. When the lattice structure of the…

Plasma Physics · Physics 2024-04-23 Y. Huang , C. Reichhardt , C. J. O. Reichhardt , Yan Feng

Langevin dynamical simulations are performed to study the depinning dynamics of two-dimensional dusty plasmas on a one-dimensional periodic substrate. From the diagnostics of the sixfold coordinated particles $P_6$ and the collective drift…

Plasma Physics · Physics 2024-04-23 L. Gu , W. Li , C. Reichhardt , C. J. O. Reichhardt , M. S. Murillo , Yan Feng

We introduce a simple model consisting of two or three coupled one-dimensional channels of particles with Yukawa interactions. For the two channel system, when an external drive is applied only to the top or primary channel, we find a…

Soft Condensed Matter · Physics 2015-05-20 C. Reichhardt , C. Bairnsfather , C. J. Olson Reichhardt

Depinning dynamics of a two-dimensional (2D) solid dusty plasma modulated by a one-dimensional (1D) vibrational periodic substrate are investigated using Langevin dynamical simulations. As the uniform driving force increases gradually, from…

Plasma Physics · Physics 2025-01-08 Zhaoye Wang , Nichen Yu , C. Reichhardt , C. J. O. Reichhardt , Ao Xu , Xin Chen , Yan Feng

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 periodic substrates, and also driven by the combination of…

Plasma Physics · Physics 2025-07-16 Zhaoye Wang , Nichen Yu , Ao xu , Chen Liang , C. Reichhardt , C. J. O. Reichhardt , Yan Feng

The phenomenon of nonlinear wave mixing is investigated in a Yukawa one-component plasma using two-dimensional classical Langevin molecular dynamics simulations. The wave spectrum indicates that nonlinear interactions between the excited…

Plasma Physics · Physics 2025-11-04 Ajaz Mir , Farida Batool , Sanat Tiwari , Abhijit Sen

We examine the dynamics of an individually driven skyrmion moving through a background lattice of skyrmions coupled to a 2D periodic substrate as we vary the ratio of the number of skyrmions to the number of pinning sites across…

Mesoscale and Nanoscale Physics · Physics 2024-04-23 C. Reichhardt , C. J. O. Reichhardt

We examine colloidal particles driven over a periodic muffin tin substrate using numerical simulations. In the absence of a driving force this system exhibits a rich variety of commensurate and incommensurate static phases in which…

Soft Condensed Matter · Physics 2015-06-16 D. McDermott , J. Amelang , C. J. Olson Reichhardt , C. Reichhardt

Molecular dynamics simulations of two-dimensional soft Yukawa fluids are performed to analyze the effect that the range of interaction has on coexisting densities and line tension. The attractive one-component fluid and equimolar mixtures…

Soft Condensed Matter · Physics 2012-07-16 G. A. Méndez-Maldonado , M. González-Melchor , J. Alejandre

Plasmas in strong magnetic fields have been mainly studied in two distinct limiting cases--that of weak and strong nonideality with very different physical properties. While the former is well described by the familiar theory of Braginskii,…

Plasma Physics · Physics 2021-12-23 Hanno Kählert , Michael Bonitz

Monte Carlo simulations of mono-- and polydisperse two--dimensional crystals are reported. The particles in the studied system, interacting through hard--core repulsive Yukawa potential, form a solid phase of hexagonal lattice. The elastic…

Computational Physics · Physics 2023-07-19 Jakub W. Narojczyk , P. M. Piglowski , K. W. Wojciechowski , K. V. Tretiakov

For an assembly of particles interacting with a two dimensional periodic substrate, a series of commensuration effects can arise when the number of particles is an integer multiple of the number of substrate minima. Such commensuration…

Soft Condensed Matter · Physics 2024-04-23 C. J. O. Reichhardt , C. Reichhardt

We examine the statics and dynamics of particles with repulsive Yukawa interactions in the presence of a two-dimensional triangular substrate for fillings of up to twelve particles per potential minimum. We term the ordered states Yukawa…

Soft Condensed Matter · Physics 2015-06-04 C. Reichhardt , C. J. Olson Reichhardt

Using numerical simulations, we examine the structure and diffusion of a two-dimensional dusty plasma (2DDP) in the presence of a one-dimensional periodic substrate (1DPS) as a function of increasing substrate strength. Both the pair…

Plasma Physics · Physics 2018-12-19 Kang Wang , Wei Li , Dong Huang , C. Reichhardt , C. J. O. Reichhardt , M. S. Murillo , Yan Feng

In this letter, we present the first numerical study on the structural and dynamical properties of a quasi-two-dimensional (q2D) binary complex plasma with Langevin dynamics simulation. The effect of interaction with non-reciprocity on the…

Plasma Physics · Physics 2018-09-26 Yi-Fei Lin , Alexei Ivlev , Hartmut Loewen , Liang Hong , Cheng-Ran Du

The long-time diffusion of two-dimensional dusty plasmas on a one-dimensional periodic substrate with varied widths is investigated using Langevin dynamical simulations. When the substrate is narrow and the dust particles form a single row,…

Plasma Physics · Physics 2024-04-22 W. Li , C. Reichhardt , C. J. O. Reichhardt , M. S. Murillo , Yan Feng

In numerous realizations of complex plasmas, dust-dust interactions are characterized by two screening lengths and are thus better described by a combination of Yukawa potentials. The present work investigates the static correlations and…

Plasma Physics · Physics 2019-05-23 F. Lucco Castello , P. Tolias , J. S. Hansen , J. C. Dyre

The nonlinear response of an adsorbed layer on a periodic substrate to an external force is studied via a two dimensional uniaxial Frenkel-Kontorova model. The nonequlibrium properties of the model are simulated by Brownian molecular…

Statistical Mechanics · Physics 2009-10-31 Enzo Granato , S. C. Ying
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