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Coupling of Noncrossing Wave Modes in a Two-Dimensional Plasma Crystal.
- Source :
-
Physical Review Letters . 12/22/2017, Vol. 119 Issue 25, p1-1. 1p. - Publication Year :
- 2017
-
Abstract
- We report an experimental observation of the coupling of the transverse vertical and longitudinal in-plane dust-lattice wave modes in a two-dimensional complex plasma crystal in the absence of mode crossing. A new large-diameter rf plasma chamber was used to suspend the plasma crystal. The observations are confirmed with molecular dynamics simulations. The coupling manifests itself in traces of the transverse vertical mode appearing in the measured longitudinal spectra and vice versa. We calculate the expected ratio of the trace to the principal mode with a theoretical analysis of the modes in a crystal with finite temperature and find good agreement with the experiment and simulations. [ABSTRACT FROM AUTHOR]
- Subjects :
- *MOLECULAR dynamics
*PLASMA radiofrequency heating
Subjects
Details
- Language :
- English
- ISSN :
- 00319007
- Volume :
- 119
- Issue :
- 25
- Database :
- Academic Search Index
- Journal :
- Physical Review Letters
- Publication Type :
- Academic Journal
- Accession number :
- 126988138
- Full Text :
- https://doi.org/10.1103/PhysRevLett.119.255001