2012 Fiscal Year Final Research Report
Gravitational collapse and spacetime singularities in quantum gravity
Project/Area Number |
21740190
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Research Category |
Grant-in-Aid for Young Scientists (B)
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Allocation Type | Single-year Grants |
Research Field |
Particle/Nuclear/Cosmic ray/Astro physics
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Research Institution | Rikkyo University |
Principal Investigator |
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Project Period (FY) |
2009 – 2012
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Keywords | 相対論 / 重力理論 |
Research Abstract |
We have revealed the relationship between quantisation ambiguities in quantum cosmology and the absence of spacetime singularity, deduced the astrophysical observational implications of superextremal Kerr spacetimes and wormhole structures, both of which may be possible under significant quantum gravity effects, and indicated the possibility of particle collision near the horizon of near-extremal rotating black holes of which the centre-of-mass energy might reach the Planck scale.
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[Journal Article] Self-similar black holes in an accelerated universe2009
Author(s)
Tomohiro Harada
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Journal Title
AIP Conf. Proc. (Physics and Mathematics of Gravitation: the Proceedings of the Spanish Relativity Meeting 2008, 15 - 19 Sep 2008, Salamanca, Spain", ed. K.E. Kunze, M. Mars and M.A. Vazquez-Mozo, (American Insitute of Physics, New York, 2009))
Volume: 1122
Pages: 288-291
URL
Peer Reviewed
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