Nodal Waves in Particle Disks.

Details Nodal Waves in Particle Disks. Nodal Waves in Particle Disks.

Nov 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001dps....33.2509w&link_type=abstract

American Astronomical Society, DPS Meeting #33, #25.09; Bulletin of the American Astronomical Society, Vol. 33, p.1086

Physics

Scientific paper

The physics of bending waves launched in a particle disk from a secular resonance by an inclined perturber is described. These so-called nodal waves are of long wavelength, carry negative angular momentum but little energy, and have a negative pattern speed. When originating from a resonance exterior (interior) to the perturber, they propagate outward (inward) as a leading (trailing) spiral wave. The reaction torque on the perturber tends to damp its orbital inclination, but causes little change in its semi-major axis. Some cosmogonical implications of this type of disk-satellite interaction for particle populations, such as the primordial asteroid and Kuiper belts, will be discussed.

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