Freezing and melting of 3D complex plasma structures under microgravity conditions driven by neutral gas pressure manipulation

Freezing and melting of large three-dimensional complex plasmas under microgravity conditions is investigated. The neutral gas pressure is used as a control parameter to trigger the phase changes: Complex plasma freezes (melts) by decreasing (increasing) the pressure. The evolution of complex plasma...

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Veröffentlicht in:	Physical review letters 2011-05, Vol.106 (20), p.205001-205001, Article 205001
Hauptverfasser:	Khrapak, S A, Klumov, B A, Huber, P, Molotkov, V I, Lipaev, A M, Naumkin, V N, Thomas, H M, Ivlev, A V, Morfill, G E, Petrov, O F, Fortov, V E, Malentschenko, Yu, Volkov, S
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS FREEZING MELTING PHASE TRANSFORMATIONS PLASMA PRESSURE DEPENDENCE THREE-DIMENSIONAL CALCULATIONS
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Beschreibung
Zusammenfassung:	Freezing and melting of large three-dimensional complex plasmas under microgravity conditions is investigated. The neutral gas pressure is used as a control parameter to trigger the phase changes: Complex plasma freezes (melts) by decreasing (increasing) the pressure. The evolution of complex plasma structural properties upon pressure variation is studied. Theoretical estimates allow us to identify the main factors responsible for the observed behavior.
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PhysRevLett.106.205001