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The stability of an isothermal magnetized accretion disk
WU, XB1,2; YANG, LT1; Xie GZ(谢光中)3; YANG, PB1
发表期刊ASTRONOMY & ASTROPHYSICS
1995-03
卷号295期号:3页码:833-840
产权排序第3完成单位
收录类别SCI
关键词Instabilities Accretion Magnetohydrodynamics (Mhd) Accretion Disks
摘要The stability of an isothermal magnetized accretion disk is examined both analytically and numerically. We find that acoustic instabilities exist not only in purely viscous disks, but also in disks where viscosity and magnetic field coexist. The inclusion of magnetic field does not change the local stability properties very much, apart from altering the numerical values of the growth rates. If the growth rate is required to be greater than the escape rate, the acoustic modes are unstable only in the long wavelength limit and when some viscosity and magnetic field parameters are larger than certain values. These results are unchanged if a different viscosity prescription is adopted.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6361
URL查看原文
WOS记录号WOS:A1995QR43100028
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]PULSATIONAL INSTABILITY ; BLACK-HOLES ; OSCILLATIONS
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被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6900
专题星系研究组
作者单位1.Institute of Astrophysics, Huazhong Normal University, Wuhan 430070, Hubei, China
2.Beijing Astronomical Observatory, Academia Sinica, Beijing 100080, China
3.Yunnan Astronomical Observatory, Academia Sinica, Kunming 650011, Yunnan, China
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GB/T 7714
WU, XB,YANG, LT,Xie GZ,et al. The stability of an isothermal magnetized accretion disk[J]. ASTRONOMY & ASTROPHYSICS,1995,295(3):833-840.
APA WU, XB,YANG, LT,Xie GZ,&YANG, PB.(1995).The stability of an isothermal magnetized accretion disk.ASTRONOMY & ASTROPHYSICS,295(3),833-840.
MLA WU, XB,et al."The stability of an isothermal magnetized accretion disk".ASTRONOMY & ASTROPHYSICS 295.3(1995):833-840.
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