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  Light cone structure near null infinity of the Kerr metric

Bai, S., Cao, J., Gong, X. F., Shang, Y., Wu, X. N., & Lau, Y. K. (2007). Light cone structure near null infinity of the Kerr metric. Physical Review D, 75(4): 044003.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-487B-A Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-487C-8
Genre: Journal Article

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 Creators:
Bai, S., Author
Cao, J., Author
Gong, X. F., Author
Shang, Y., Author
Wu, X. N., Author
Lau, Y. K.1, Author
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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 Abstract: Motivated by our attempt to understand the question of angular momentum of a relativistic rotating source carried away by gravitational waves, in the asymptotic regime near future null infinity of the Kerr metric, a family of null hypersurfaces intersecting null infinity in shearfree (good) cuts are constructed by means of asymptotic expansion of the eikonal equation. The geometry of the null hypersurfaces as well asthe asymptotic structure of the Kerr metric near null infinity are studied. To the lowest order in angular momentum, the Bondi-Sachs form of the Kerr metric is worked out. The Newman-Unti formalism is then further developed, with which the Newman-Penrose constants of the Kerr metric are computed and shown to be zero. Possible physical implications of the vanishing of the Newman-Penrose constants of the Kerr metric are also briefly discussed.

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 Dates: 2007-02
 Publication Status: Issued
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 Identifiers: eDoc: 334426
ISI: 000244535200041
Other: arXiv:gr-qc/0701171
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Title: Physical Review D
Source Genre: Journal
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Pages: - Volume / Issue: 75 (4) Sequence Number: 044003 Start / End Page: - Identifier: ISSN: 1550-7998