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Phys Rev Lett. 2016 Mar 25;116(12):125001. doi: 10.1103/PhysRevLett.116.125001. Epub 2016 Mar 22.

Interparticle Attraction in 2D Complex Plasmas.

Physical review letters

Roman Kompaneets, Gregor E Morfill, Alexei V Ivlev

Affiliations

  1. Max-Planck-Institut für extraterrestrische Physik, Giessenbachstrasse 1, 85748 Garching, Germany.
  2. BMSTU Centre for Plasma Science and Technology, Moscow, Russia.

PMID: 27058083 DOI: 10.1103/PhysRevLett.116.125001

Abstract

Complex (dusty) plasmas allow experimental studies of various physical processes occurring in classical liquids and solids by directly observing individual microparticles. A major problem is that the interaction between microparticles is generally not molecularlike. In this Letter, we propose how to achieve a molecularlike interaction potential in laboratory 2D complex plasmas. We argue that this principal aim can be achieved by using relatively small microparticles and properly adjusting discharge parameters. If experimentally confirmed, this will make it possible to employ complex plasmas as a model system with an interaction potential resembling that of conventional liquids.

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