Melting dynamics of a plasma crystal

Modes of oscillations of magnetized grains in a complex plasma

“…The dynamic properties of the particle motion, formation of colloidal crystals and phase transitions in plasma-dust systems are important fundamental questions [1].…”

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The dynamic properties of the particle motion, formation of colloidal crystals and phase transitions in plasma-dust systems are important fundamental questions [1].The cases mostly studied, experimentally and theoretically, correspond to oscillations and lattice modes in the chains of electrically charged dust grains [2,3] . The magnetic moment of a spherical particle can be written as m i =4 πa 3 M i /3 where M i is the particle's magnetization.

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Observation of particle pairing in a two-dimensional plasma crystal

“…Immersed into a plasma, the particles charge up and interact with each other. It is a well-established fact that complex plasmas are able to self-organize, forming a highly ordered structure, plasma crystal, when the mutual interparticle interaction energy exceeds significantly their kinetic energy [4]. In the presence of gravity, a single-layer, or two-dimensional (2D) plasma crystal can form.…”

Quasi-two-dimensional complex plasma containing spherical particles and their binary agglomerates

“…The dynamics of each particle can be tracked precisely after analyzing the image sequences taken by video camera. In the strong coupling regime, complex plasma forms "crystals" which can be arranged in 2D and 3D structures [5][6][7][8]. In particular, the 2D crystal has been used extensively to investigate various generic processes associated with strong coupling phenomena such as crystallization [9] The goal of this paper is to explore the structural properties of a quasi-2D suspension (a mixture of spherical particles and their binary agglomerates), which can be created at the centre using controlled systematic partial purification method.…”

“…The dynamics of each particle can be tracked precisely after analyzing the image sequences taken by video camera. In the strong coupling regime, complex plasma forms "crystals" which can be arranged in 2D and 3D structures [5][6][7][8]. In particular, the 2D crystal has been used extensively to investigate various generic processes associated with strong coupling phenomena such as crystallization [9], melting [10][11][12][13], dislocation dynamics [14], recrystallization [15], Mach cones [16], dynamical heterogeneity [17], transport phenomena such as heat conductivity [18], viscosity [11], superdiffusion [19], etc.…”