Landau excitation of spiral density waves in an inhomogeneous disk of stars

Evgeny Griv, Michael Gedalin, David Eichler, Chi Yuan

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Drift-resonant Landau excitation of spiral density waves in a stellar disk of flat galaxies is proposed. This excitation of waves is suggested as a mechanism for the formation of structural features such as spiral arms and the slow dynamical relaxation of galaxies in a regime of hydrodynamical Jeans-type stability.

Original languageEnglish
Pages (from-to)4280-4283
Number of pages4
JournalPhysical Review Letters
Volume84
Issue number19
DOIs
StatePublished - 1 Jan 2000

ASJC Scopus subject areas

  • Physics and Astronomy (all)

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