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Prog. Theor. Phys. Supplement No.70 (1981) pp. 215-237

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Multi-Soliton Solutions of the Einstein Equation and the Tomimatsu-Sato Metric

Akira Tomimatsu and Humitaka Sato*

Research Institute for Theoretical Physics, Hiroshima University, Takehara, Hiroshima 725
*Research Institute for Fundamental Physics, Kyoto University, Kyoto 606

(Received August 10, 1981)

Abstract:

We present a new recognition about the Tomimatsu-Sato metric through reviewing the recent study of the stationary and axially symmetric Einstein field equation. We describe some powerful methods of solving the Einstein equation; the Backlund transformation, the inverse scattering method and any other. These methods derive the so-called multi-soliton solution, which represents the Kerr-NUT metric or a non-linear superposition of several Kerr-NUT metrics aligned along their common rotational axis. The Tomimatsu-Sato metric of δ = N is constructed via a limiting process that the N Kerr metrics with the same mass and angular momentum approach mutually towards their complete overlapping. We investigate the space-time properties of the multi-soliton metric, by taking the two Kerr case as a typical example.


URL : http://ptp.ipap.jp/link?PTPS/70/215/
DOI : 10.1143/PTPS.70.215

[ Full Text PDF : FREE ACCESS (1436K) ] Citation:


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