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The two-dimensional one-component plasma, i.e. the system of point-like charged particles embedded in a homogeneous neutralizing background, is studied on the surface of a cylinder of finite circumference, or equivalently in a semiperiodic…

Statistical Mechanics · Physics 2016-08-31 L. Samaj , J. Wagner , P. Kalinay

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

Collections of micrometer sized solid particles immersed in plamsa are used to mimic many systems from solid state and fluid physics, due to their strong electrostatic interaction, their large inertia, and the fact that they are large…

Plasma Physics · Physics 2009-11-13 V. Land , W. J. Goedheer

Coulomb plasmas crystallize in a number of physical systems, such as dusty plasmas, neutron star crusts, and white dwarf cores. The crystal structure of the one component and binary plasma has received significant attention in the…

Soft Condensed Matter · Physics 2020-02-12 M. E. Caplan

The behavior of identical particles interacting through the harmonic-repulsive pair potential has been studied in 3D using molecular dynamics simulations at a number of different densities. We found that at many densities, as the…

Soft Condensed Matter · Physics 2017-10-11 V. A. Levashov

We present an experimental study of the rheology and structure of a confined suspension of deformable particles flowing in a quasi-two-dimensional Poiseuille flow. Thanks to a precise microfluidic viscosimetry technique combined with…

Soft Condensed Matter · Physics 2022-04-27 Vassanti Audemar , Thomas Podgorski , Gwennou Coupier

The phase diagram of crystalline bilayers of particles interacting via a Yukawa potential is calculated for arbitrary screening lengths and particle densities. Staggered rectangular, square, rhombic and triangular structures are found to be…

Soft Condensed Matter · Physics 2007-05-23 Rene Messina , Hartmut Loewen

Three-dimensional (3D) particle-in-cell (PIC) simulations are used to investigate the interaction of ultrahigh intensity lasers ($> 10^{20}$ W/cm$^{-2}$) with matter at overcritical densities. Intense laser pulses are shown to penetrate up…

Plasma Physics · Physics 2012-05-15 F. Fiuza , R. A. Fonseca , L. O. Silva , J. Tonge , J. May , W. B. Mori

We report on the observation of the self-excited dust density waves in the dc discharge complex plasma. The experiments were performed under microgravity conditions in the Plasmakristall-4 facility on board the International Space Station.…

Ground state structures of finite, cylindrically confined two-dimensional Yukawa systems composed of charged superparamagnetic dust grains in an external magnetic field are investigated numerically, using molecular dynamic simulations and…

Plasma Physics · Physics 2012-08-07 Peter Hartmann , Marlene Rosenberg , Gabor J. Kalman , Zoltán Donkó

A classical dusty plasma experiment was performed using two different dust grain sizes to form a strongly coupled asymmetric bilayer (two closely spaced interacting monolayers) of two species of charged dust particles. The observation and…

Plasma Physics · Physics 2011-03-02 P. Hartmann , Z. Donko , G. J. Kalman , S. Kyrkos , K. I. Golden , M. Rosenberg

The self-organization of dust grains into stable filamentary dust structures (or "chains") largely depends on dynamic interactions between the individual charged dust grains and the complex electric potential arising from the distribution…

In the last experiment with the PK-3 Plus laboratory onboard the International Space Station, interactions of millimeter-size metallic spheres with a complex plasma were studied~[M. Schwabe {\it et al.}, New J. Phys. {\bf 19}, 103019…

Plasma Physics · Physics 2019-06-05 S. Khrapak , P. Huber , H. Thomas , V. Naumkin. V. Molotkov , A. Lipaev

Complex plasmas consist of microparticles embedded in a low-temperature plasma containing ions, electrons and neutral particles. The microparticles form a dynamical system that can be used to study a multitude of effects on the level of the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-11 Daniel P. Mohr , Peter Huber , Mierk Schwabe , Christina A. Knapek

Slow dynamics in an amorphous quasi-two-dimensional complex plasma, comprised of microparticles of two different sizes, was studied experimentally. The motion of individual particles was observed using video microscopy, and the self-part of…

Small three-dimensional strongly coupled clusters of charged particles in a spherical confinement potential arrange themselves in nested concentric shells. If the particles are immersed into a background plasma the interaction is screened.…

Plasma Physics · Physics 2009-11-13 H. Baumgartner , D. Asmus , V. Golubnychiy , P. Ludwig , H. Kählert , M. Bonitz

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

Dust Dynamics Simulations utilizing a dynamical screening approach are performed to study the effect of ion-streaming on the self-organized structures in a three-dimensional spherically confined complex (dusty) plasma. Varying the Mach…

Plasma Physics · Physics 2015-04-22 Patrick Ludwig , Hanno Kählert , Michael Bonitz

The three-dimensional instability of two coupled electromagnetic waves in an unmagnetized plasma is investigated theoretically and numerically. In the regime of two-plasmon decay, where one pump wave frequency is approximately twice the…

Plasma Physics · Physics 2015-05-13 L. Stenflo , B. Eliasson , M. Marklund

The response of a two-dimensional plasma crystal to an externally imposed initial perturbation has been explored using molecular dynamics (MD) simulations. A two-dimensional (2D) monolayer of micron-sized charged particles (dust) is formed…

Plasma Physics · Physics 2023-04-21 Srimanta Maity , Garima Arora