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Phys. Rev. Lett. 81, 5820 - 5823 (1998)

Linear Kinetic Modes in Weakly Collisional Plasma

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F. Skiff, S. De Souza-Machado, W. A. Noonan, and A. Case
Institute for Plasma Research, University of Maryland, College Park, Maryland 20742

T. N. Good
Department of Physics, Gettysburg College, Gettysburg, Pennsylvania 17325

Received 3 August 1998

Experimental and theoretical evidence is reported for the existence of discrete modes in the weakly collisional regime of electrostatic ion waves. The decay of time-harmonic perturbations of the ion velocity distribution function is found to be weaker than expected, and to have a different functional form from the classical theory.


©1998 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevLett.81.5820
DOI: 10.1103/PhysRevLett.81.5820
PACS: 52.35.Fp

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