Effects of Stress Evolution Process on the Thermal Stability of Thin Accretion Discs

Details Effects of Stress Evolution Process on the Thermal Stability of Thin Accretion Discs Effects of Stress Evolution Process on the Thermal Stability of Thin Accretion Discs

2011-04-05

arxiv.org/abs/1104.0859v1

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

5 pages, 2 figures, accepted by MNRAS

Scientific paper

The stress evolution process is taken into account in the linear stability analysis of standard thin accretion discs. We find that the growth rate of thermally unstable modes can decrease significantly owing to the stress delay, which may help to understand the quasi-periodic variability of GRS 1915+105. We also discuss possible application of stress evolution to the stability of Shapiro-Lightman-Eardley disc.

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