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Perturbed particle disksThe velocity ellipsoid in a particle disk near an isolated satellite resonance is determined by solving the Boltzmann moment equations, and solutions are obtained that are stationary functions of the azimuthal angle in a coordinate frame which rotates with the pattern speed of the perturbation potential. The magnitude of the deformation rate tensor in a perturbed particle disk is bounded from above by an expression which includes the orbital angular velocity, the optical depth, and a dimensionless constant of order unity. It is also found that, in sufficiently perturbed regions, there are ranges of azimuthal angle over which the radial component of the angular momentum flux is negative. It is also possible for the angular momentum luminosity to be negative. These results are pertinent to the understanding of sharp edges and density wave decay in planetary rings.
Document ID
19830059566
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Borderies, N.
(California Inst. of Tech. Pasadena, CA, United States)
Goldreich, P.
(California Institute of Technology Pasadena, CA, United States)
Tremaine, S.
(MIT Cambridge, MA, United States)
Date Acquired
August 11, 2013
Publication Date
July 1, 1983
Publication Information
Publication: Icarus
Volume: 55
ISSN: 0019-1035
Subject Category
Lunar And Planetary Exploration
Accession Number
83A40784
Funding Number(s)
CONTRACT_GRANT: NGL-22-009-638
CONTRACT_GRANT: NSG-7643
CONTRACT_GRANT: NSF AST-82-10463
CONTRACT_GRANT: NSF AST-80-20005
CONTRACT_GRANT: NGL-05-002-003
Distribution Limits
Public
Copyright
Other

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