Nonlinear traveling stellar-density waves in a model of a homogeneous medium

Details Nonlinear traveling stellar-density waves in a model of a homogeneous medium Nonlinear traveling stellar-density waves in a model of a homogeneous medium

Nov 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977afz....13..697n&link_type=abstract

Astrofizika, vol. 13, Nov. 1977, p. 697-702. In Russian.

Astronomy and Astrophysics

Astronomy

1

Astronomical Models, Density Wave Model, Star Distribution, Stellar Mass, Stellar Systems, Traveling Waves, Amplitudes, Density Distribution, Gravitational Waves, Homogeneity, Phase Velocity, Wave Packets, Wavelengths

Scientific paper

The existence of nonlinear traveling density waves in a model of a stellar system with constant phase density is demonstrated. The amplitude dependence of wavelength is determined in a comoving coordinate system. It is shown that the existence region of nonlinear traveling waves decreases with increasing phase velocity and that a traveling wave does not decay into individual bunches, as does a standing wave. However, the nonlinear traveling wave is found to be unstable with respect to wave partition into packets as well as to self-contraction of wave packets.

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