Nonlinear coupling of galactic spiral modes

Details Nonlinear coupling of galactic spiral modes Nonlinear coupling of galactic spiral modes

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...318l..43t&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 318, July 15, 1987, p. L43-L46.

Statistics

Computation

89

Computational Astrophysics, Coupled Modes, Galactic Evolution, Galactic Structure, Spiral Galaxies, Barred Galaxies, Density Wave Model, Galactic Rotation, Mathematical Models, Nonlinear Systems

Scientific paper

The authors have worked out the nonlinear coupling of modes with
different pattern speeds and propose that it explains some salient
features of recent galactic simulations. This nonlinear mechanism may
provide a new key for understanding the long-term evolution of spirals
in galaxies.

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