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Phys. Rev. Lett. 105, 055002 (2010) [4 pages]

Nonlinear Magnetoplasmons in Strongly Coupled Yukawa Plasmas

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M. Bonitz1, Z. Donkó2, T. Ott1, H. Kählert1, and P. Hartmann2
1Institut für Theoretische Physik und Astrophysik, Christian-Albrechts-Universität zu Kiel, Leibnizstraße 15, 24098 Kiel, Germany
2Research Institute for Solid State Physics and Optics, Hungarian Academy of Sciences, P.O. Box 49, H-1525 Budapest, Hungary

Received 13 March 2010; published 28 July 2010

The existence of plasma oscillations at multiples of the magnetoplasmon frequency in a strongly coupled two-dimensional magnetized Yukawa plasma is reported, based on extensive molecular dynamics simulations. These modes are the analogues of Bernstein modes which are renormalized by strong interparticle correlations. Their properties are theoretically explained by a dielectric function incorporating the combined effect of a magnetic field, strong correlations and finite temperature.

© 2010 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.105.055002
DOI:
10.1103/PhysRevLett.105.055002
PACS:
52.27.Gr, 52.27.Lw