Entropy Change of Black Holes in Disk-Accretion
作者机构：Department of PhysicsHuazhong University of Science and TechnologyWuhan 430074
出 版 物：《Chinese Physics Letters》 (中国物理快报（英文版）)
年 卷 期：1999年第16卷第6期
页 面：464-466页
核心收录：
学科分类：07[理学] 070401[理学-天体物理] 0704[理学-天文学] 0702[理学-物理学]
基 金：Supported by the National Natural Science Foundation of China under Grant No.19773005
摘 要：Entropy change of central black holes of accretion disks(including thin and thick disks)is investigated by considering both accretion and the Blandford-Znajek(BZ)process in *** is shown that the contribution of the BZ process to the rate of change of black hole entropy is always less than that arising from accretion process in the case of thin disks,while the former may be greater than the latter for a fast-spinning black hole surrounded by a thick *** addition the non-monotonic characteristics of the rate of change of black hole entropy in the BZ process are discussed.
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