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

Evgeny Griv; Michael Gedalin; David Eichler; Chi Yuan

doi:10.1103/PhysRevLett.84.4280

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

Evgeny Griv, Michael Gedalin, David Eichler, Chi Yuan

Department of Physics

Research output: Contribution to journal › Article › peer-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 language	English
Pages (from-to)	4280-4283
Number of pages	4
Journal	Physical Review Letters
Volume	84
Issue number	19
DOIs	https://doi.org/10.1103/PhysRevLett.84.4280
State	Published - 1 Jan 2000

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.84.4280

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title = "Landau excitation of spiral density waves in an inhomogeneous disk of stars",

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.",

author = "Evgeny Griv and Michael Gedalin and David Eichler and Chi Yuan",

year = "2000",

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doi = "10.1103/PhysRevLett.84.4280",

language = "English",

volume = "84",

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journal = "Physical Review Letters",

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T1 - Landau excitation of spiral density waves in an inhomogeneous disk of stars

AU - Griv, Evgeny

AU - Gedalin, Michael

AU - Eichler, David

AU - Yuan, Chi

PY - 2000/1/1

Y1 - 2000/1/1

N2 - 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.

AB - 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.

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U2 - 10.1103/PhysRevLett.84.4280

DO - 10.1103/PhysRevLett.84.4280

M3 - Article

AN - SCOPUS:0000815179

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VL - 84

SP - 4280

EP - 4283

JO - Physical Review Letters

JF - Physical Review Letters

IS - 19

ER -

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

Abstract

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