Topology Change of Black Holes(Astrophysics and Relativity)
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概要
- 論文の詳細を見る
The topological structure of the event horizon has been investigated in terms of the Morse theory. The elementary process of topological evolution can be understood as a handle attachment. It has been found that there are certain constraints on the nature of black hole topological evolution : (i) There are n kinds of handle attachments in (n+1)-dimensional black hole space-times. (ii) Handles are further classified as either of black or white type, and only black handles appear in real black hole space-times. (iii) The spatial section of a exterior of the black hole region is always connected. As a corollary, it is shown that the formation of a black hole with an S^<n-2>×S^1 horizon from that with an S^<n-1> horizon must be non-axisymmetric in asymptotically flat space-times.
- 理論物理学刊行会の論文
- 2007-10-25
著者
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IDA Daisuke
Department of Physics, Gakushuin University
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Ida Daisuke
Gakushuin Univ. Tokyo Jpn
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Ida Daisuke
Department Of Physics Gakushuin University
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Siino Masaru
Tokyo Inst. Technol. Tokyo Jpn
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Siino Masaru
Department Of Physic Kyoto University
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