Non-equilibrium phase transitions in complex plasma

Sütterlin, K. R.; Wysocki, Adam; Räth, C.; Ivlev, A. V.; Thomas, Hubertus M.; Khrapak, S. A.; Zhdanov, S. K.; Rubin-Zuzic, M.; Goedheer, W. J.; Фортов, В. Е.; Lipaev, A. M.; Molotkov, V. I.; Petrov, O. F.; Morfill, G. E.; Löwen, Hartmut

doi:10.1088/0741-3335/52/12/124042

Cited by 9 publications

(5 citation statements)

References 54 publications

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“…An interest in the structural and dynamical properties of ordered many-body systems confined by various geometries is due to the recent advances in studies of, e.g., confined plasma [1][2][3][4]. Knowledge of the properties, e.g., the ground state configurations and the normal mode spectra of the system allows one to calculate thermodynamic characteristics such as the free energy, entropy, etc.…”

Section: Introductionmentioning

confidence: 99%

Dispersion relations for circular single and double dusty plasma chains

Tkachenko

Sheridan

2011

Physics of Plasmas

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We derive dispersion relations for a system of identical particles confined in a two-dimensional annular harmonic well and which interact through a Yukawa potential, e.g., a dusty plasma ring. When the particles are in a single chain (i.e., a one-dimensional ring) we find a longitudinal acoustic mode and a transverse optical mode which show approximate agreement with the dispersion relation for a straight configuration for large radii of the ring. When the radius decreases, the dispersion relations modify: there appears an anticrossing of the modes near the crossing point resulting in a frequency gap between the lower and upper branches of the modified dispersion relations. For the double chain (i.e., a two-dimensional zigzag configuration) the dispersion relation has four branches: longitudinal acoustic and optical and transverse acoustic and optical.Comment: 10 pages, 8 fugure

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Section: Introductionmentioning

confidence: 99%

Dispersion relations for circular single and double dusty plasma chains

Tkachenko

Sheridan

2011

Physics of Plasmas

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“…Non equilibrium phase transitions have been extensively studied over the years both for basic understanding and potential applications [1]. Among the numerous examples of non equilibrium phase transitions, one can quote: direct percolation [2], infection spreading [3], geophysical flows [4], complex plasmas [5], surfaces [6] and nanowire growing [7] and traffic jams [8].…”

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confidence: 99%

Nonequilibrium Phase Transition with Gravitational-like Interaction in a Cloud of Cold Atoms

2014

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We propose to use a cloud of laser-cooled atoms in a quasi-two-dimensional trap to investigate a nonequilibrium collapse phase transition in the presence of a gravitational-like interaction. Using theoretical arguments and numerical simulations, we show that, like in two-dimensional gravity, a transition to a collapsed state occurs below a critical temperature. In addition and as a signature of the nonequilibrium nature of the system, persistent particle currents, dramatically increasing close to the phase transition, are observed.

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“…Many important fundamental phenomena were studied using PK-3 Plus laboratory, including, for instance, equilibrium and non-equilibrium phase transitions [26][27][28][29], lane formation [30], wave excitation [31], instabilities [32,33], Mach cones [34,35], etc.…”

Section: Methodsmentioning

confidence: 99%

Theory of a cavity around a large floating sphere in complex (dusty) plasma

Khrapak

Huber²,

Thomas³

et al. 2019

Phys. Rev. E

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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 et al., New J. Phys. 19, 103019 (2017)]. Among the phenomena observed was the formation of cavities (regions free of microparticles forming a complex plasma) surrounding the spheres. The size of the cavity is governed by the balance of forces experienced by the microparticles at the cavity edge. In this article we develop a detailed theoretical model describing the cavity size and demonstrate that it agrees well with sizes measured experimentally. The model is based on a simple practical expression for the ion drag force, which is constructed to take into account simultaneously the effects of non-linear ion-particle coupling and ion-neutral collisions. The developed model can be useful for describing interactions between a massive body and surrounding complex plasma in a rather wide parameter regime.

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Non-equilibrium phase transitions in complex plasma

Cited by 9 publications

References 54 publications

Dispersion relations for circular single and double dusty plasma chains

Dispersion relations for circular single and double dusty plasma chains

Nonequilibrium Phase Transition with Gravitational-like Interaction in a Cloud of Cold Atoms

Theory of a cavity around a large floating sphere in complex (dusty) plasma

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