期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS D
卷 13, 期 1, 页码 1-64出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0218271804004426
关键词
black hole physics; (galaxy) globular clusters : general; gravitational waves; stellar dynamics; X-rays : binaries
The mathematical simplicity of black holes, combined with their links to some of the most energetic events in the universe, means that black holes are key objects for fundamental physics and astrophysics. Until recently, it was generally believed that black holes in nature appear in two broad mass ranges: stellar-mass (M similar to 3 - 20 M-.), which are produced by the core collapse of massive stars, and supermassive (M similar to 10(6) - 10(10) M-.), which are found in the centers of galaxies and are produced by a still uncertain combination of processes. In the last few years, however, evidence has accumulated for an intermediate-mass class of black holes, with M similar to 10(2) - 10(4) M-.. If such objects exist they have important implications for the dynamics of stellar clusters, the formation of supermassive black holes, and the production and detection of gravitational waves. We review the evidence for intermediate-mass black holes and discuss future observational and theoretical work that will help clarify numerous outstanding questions about these objects.
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