Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996ap%26ss.240..305l&link_type=abstract
Astrophysics and Space Science, Vol. 240, No. 2, p. 305 - 316
Astronomy and Astrophysics
Astrophysics
1
Accretion Disks: Compact Objects, Accretion Disks: Black Holes, Accretion Disks: Active Galactic Nuclei, Accretion Disks: X-Ray Binaries, Accretion Disks: Oscillations, Accretion Disks: Instabilities
Scientific paper
This is the first paper to consider the effects of both magnetic field and self-gravity on the pulsational instability. The authors' main new results are that the self-gravity enhances the instability of the magneto-acoustic mode in the outer disk strongly, and also affects the instability in the inner disk, but stabilized the viscous mode. The effect of self-gravity is much greater than that of magnetic field in the outer disk, while the effect of magnetic field on the instability is weaker than that in previous work (Wu et al., 1995; Yang et al., 1995), in which the self-gravity has not been considered. Finally, the authors discuss their results.
Lu Ye
Wu Shaoping
Yang Lantian
Yang Pibo
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