English
Related papers

Related papers: Collective dynamics of complex plasma bilayers

200 papers

Dust particles immersed within a plasma environment, such as those in protostellar clouds, planetary rings or cometary environments, will acquire an electric charge. If the ratio of the inter-particle potential energy to the average kinetic…

Space Physics · Physics 2009-11-10 B. Smith , J. Vasut , T. Hyde , L. Matthews , J. Reay , M. Cook , J. Schmoke

In a laboratory, a two-dimensional complex (dusty) plasma consists of a low-density ionized gas containing a confined suspension of Yukawa-coupled plastic microspheres. For an initial crystal-like form, we report ideal gas behavior in this…

Plasma Physics · Physics 2013-07-03 Neil P. Oxtoby , Elias J. Griffith , Céline Durniak , Jason F. Ralph , Dmitry Samsonov

Collective response dynamics of a strongly coupled system departs from the continuum phase upon transition to the quasicrystalline phase, or formation of a Wigner lattice. The wave nonlinearity leading to the modulational instability in…

Plasma Physics · Physics 2023-01-25 Sandip Dalui , Prince Kumar , Devendra Sharma

In this review, an overview of structural properties and phase transitions in finite spherical dusty (complex) plasma crystals -- so-called Yukawa balls -- is given. These novel kinds of Wigner crystals can be directly analyzed…

Plasma Physics · Physics 2015-05-13 H. Baumgartner , D. Block , M. Bonitz

In this paper we discuss the relations between the exact shape of interparticle interactions in complex (dusty) plasmas and the dispersion relation of the longitudinal collective mode. Several representative repulsive potentials, predicted…

Plasma Physics · Physics 2017-02-22 S. A. Khrapak , B. A. Klumov , H. M. Thomas

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

Two-dimensional classical cluster of particles interacting through a screened Coulomb potential is studied. This system can be used as a model for "dusty particles" in high-frequency discharge plasma. For systems consisting of N = 2 - 40…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 G. E. Astrakharchik , A. I. Belousov , Yu. E. Lozovik

The nonlinear aspects of longitudinal motion of interacting point masses in a lattice are revisited, with emphasis on the paradigm of charged dust grains in a dusty plasma (DP) crystal. Different types of localized excitations, predicted by…

Soft Condensed Matter · Physics 2009-11-10 I. Kourakis , P. K. Shukla

Charges on the dust grains immersed in a plasma vary in time. We follow the hydrodynamic approach to obtain dispersion relations for some low frequency electrostatic modes, taking into account charge fluctuation on the dust. We have used…

Plasma Physics · Physics 2007-05-23 Bizhan Farokhi

Spiral wave formations are ubiquitous in nature. In the present paper, the excitation of spiral waves in the context of driven two-dimensional dusty plasma (Yukawa system) has been demonstrated at particle level using molecular dynamics…

Plasma Physics · Physics 2018-06-13 Sandeep Kumar , Amita Das

The dusty plasma liquid formed by micro-meter sized particles negatively charged and suspended in a low pressure discharge background is a good candidate to study the generic spatio-temporal dynamical behaviors at the kinetic level through…

Plasma Physics · Physics 2007-05-23 Chan Chia-Ling , Lai Ying-Ju , Woon Wei-Yen , Chu Hong-Yu , I. Lin

The existence of large-amplitude electron-acoustic solitary structures is investigated in an unmagnetized and collisionless two-temperature dusty plasma penetrated by an electron beam. A nonlinear pseudopotential technique is used to…

High Energy Astrophysical Phenomena · Physics 2011-12-05 Ashkbiz Danehkar , Nareshpal Singh Saini , Manfred A. Hellberg , Ioannis Kourakis

The dynamical behavior of binary mixtures consisting of highly charged colloidal particles is studied by means of Brownian dynamics simulations. We investigate differently sized, but identically charged particles with nearly identical…

Soft Condensed Matter · Physics 2024-11-14 Daniel Weidig , Joachim Wagner

Density waves were studied in a phase-separated binary complex plasma under microgravity conditions. For the big particles, waves were self-excited by the two-stream instability, while for small particles, they were excited by heartbeat…

Observations made in dusty plasma experiments suggest that an ensemble of electrically charged solid particles, confined in an elongated trap, develops structural inhomogeneities. With narrowing the trap the particles tend to form layers…

Plasma Physics · Physics 2021-01-25 Hong Pan , Gabor J. Kalman , Peter Hartmann

Molecular dynamics computer simulations are used to investigate thedynamics of a binary mixture of charged (Yukawa) particles with a size-ratio of 1:5. We find that the system undergoes a phase transition where the large particles…

Disordered Systems and Neural Networks · Physics 2015-06-25 Norio Kikuchi , Juergen Horbach

In this paper, we studied the structure and dynamics for a trilayer Yukawa crystal. We firstly studied the optimal lattice structure by comparing lattice interaction energy from different lattice distribution, after that, we did the…

Plasma Physics · Physics 2019-06-10 Hong Pan , Gabor J. Kalman , Peter Hartmann , Zoltán Donkó

The plasma is an ionized gas that responses collectively to any external (or internal) perturbations. Introducing micron-sized solid dust grains into plasma makes it more interesting. The solid grains acquire large negative charges on their…

Physics Education · Physics 2021-07-07 Mangilal Choudhary

The dynamics of a harmonically trapped three-dimensional Yukawa ball of charged dust particles immersed in plasma is investigated as function of external magnetic field and Coulomb coupling parameter using molecular dynamics simulation. It…

Plasma Physics · Physics 2023-05-30 Hirakjyoti Sarma , Ritupan Sarmah , Nilakshi Das

The omnipresence of dust particulates in space and astrophysical plasmas has been attracting numerous researchers to study the collective excitation and propagation dynamics of different eigen-mode structures in diversifed astrocosmic…

Plasma Physics · Physics 2022-11-16 Souvik Das , Ahmed Atteya , Pralay Kumar Karmakar