| 1 | The Effects of Magnetic Fields on Swing Amplifier显示文摘The excitation and evolution of magnetohydrodynamic density waves are considered in a differentially rotating thin gaseous disk embedded with both an azimuthal magnetic field and a vertical magnetic field perpendicular to the disk. Our results shows that the effect of isopedic vertical magnetic fields tend to stabilize the fast MHD density waves while slow MHD density waves are not affected by such vertical magnetic fields for either rigid or differential rotation. | Chih Kang Chou, Kuo Ming Wang Institute of Astronomy and Department of Physics, National Central University Chung Li, Taiwan, 32054, China, chou @ joule. phy. ncu. edu. tw | 1999 | 天文研究与技术1999，，S1： | 1 |
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