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Volume 103, Issue 3
Displaying 1-41 of 41 articles from this issue
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Article type: Cover
2001 Volume 103 Issue 3 Pages Cover1-
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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Article type: Appendix
2001 Volume 103 Issue 3 Pages App1-
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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Article type: Appendix
2001 Volume 103 Issue 3 Pages C1-C2
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C3-C12
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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Kengo Maeda, Takashi Torii, Makoto Narita, Shigeaki YahikozawaArticle type: Article
2001 Volume 103 Issue 3 Pages C13-C20
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
JOURNAL FREE ACCESSWe investigate how much a first-quantized charged bosonic test string gets excited after crossing a shock wave generated by a charged particle with mass M^^〜 and charge Q^^〜. On the basis of Kaluza-Klein theory, we pay attention to a closed string model where charge is given by a momentum along a compactified extra-dimension. The shock wave is given by a charged Aichelburg-Sexl (GAS) spacetime where Q^^〜 = 0 corresponds to the ordinary Aichelburg-Sexl one. We first show that the CAS spacetime is a solution to the equations of motion for the metric, the gauge field, and the axion field in the low-energy limit. Secondly, we compute the mass expectation value of the charged test string after passing through the shock wave in the CAS spacetime. In the case of small Q^^〜, gravitational and Coulomb forces are canceled out each other and hence the excitation of the string remains very small. This is independent of the particle mass M^^〜 or the strength of the shock wave. In the case of large Q^^〜, however, every charged string gets highly excited by quantum fluctuation in the extra-dimension caused by both the gauge and the axion fields. This is quite different from classical "molecule", which consists of two electrically charged particles connected by a classical spring.View full abstractDownload PDF (560K) -
[in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C21-C24
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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Masaru SiinoArticle type: Article
2001 Volume 103 Issue 3 Pages C25-C29
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese], [in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C30-C33
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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T. P. SinghArticle type: Article
2001 Volume 103 Issue 3 Pages C34-C41
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
JOURNAL FREE ACCESSWe outline a method for calculating the spectrum of quantum radiation produced during the gravitational collapse of a star to a naked singularity. This talk is a report on the work done on this problem in collaboration with Harada, Iguchi, Nakao, Tanaka, Vaz and Witten.View full abstractDownload PDF (326K) -
[in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C42-C48
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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Tomohiro HARADAArticle type: Article
2001 Volume 103 Issue 3 Pages C49-C54
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
JOURNAL FREE ACCESSThere is no characteristic scale in general relativity as well as Newton gravity. It implies that there exist scale-invariant solutions, which is called self-similar solutions. This is an incomplete review of self-similar collapse solutions with some preliminary results.View full abstractDownload PDF (382K) -
[in Japanese], [in Japanese], [in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C55-C59
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese], [in Japanese], [in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C60-C63
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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Kouji NakamuraArticle type: Article
2001 Volume 103 Issue 3 Pages C64-C68
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
JOURNAL FREE ACCESSWe review the initial data for the gravitational field produced by a loop conical singularity and show the loop is a geodesic. This suggests that there is the "critical thickness" of a string at which the linear perturbation theory around Minkowski spacetime fails to describe the gravity produced by cosmic strings. We also briefly show our discussion about this critical thickness.View full abstractDownload PDF (455K) -
[in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C69-C75
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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Hideo IguchiArticle type: Article
2001 Volume 103 Issue 3 Pages C76-C80
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
JOURNAL FREE ACCESSThe expectation value of the quantum stress tensor for the massless scalar field on the classical background of spherical dust collapse is considered. The results show that the back reaction does not become important during the semiclassical phase.View full abstractDownload PDF (253K) -
Article type: Appendix
2001 Volume 103 Issue 3 Pages C81-
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese], [in Japanese], [in Japanese], Augs PurwantoArticle type: Article
2001 Volume 103 Issue 3 Pages C82-C84
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C85-C87
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C88-
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C89-C91
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C92-C93
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C94-C95
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese], [in Japanese], [in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C96-
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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Nahomi KanArticle type: Article
2001 Volume 103 Issue 3 Pages C97-C99
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese], [in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C100-C101
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese], [in Japanese], [in Japanese], [in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C102-C104
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese], [in Japanese], [in Japanese], [in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C105-C107
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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Article type: Appendix
2001 Volume 103 Issue 3 Pages C108-C109
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C110-
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C111-
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C111-
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C111-C112
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages C112-
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages 95-100
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages 101-103
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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[in Japanese]Article type: Article
2001 Volume 103 Issue 3 Pages 104-114
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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Article type: Appendix
2001 Volume 103 Issue 3 Pages App2-
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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Article type: Appendix
2001 Volume 103 Issue 3 Pages App3-
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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Article type: Cover
2001 Volume 103 Issue 3 Pages Cover2-
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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Article type: Cover
2001 Volume 103 Issue 3 Pages Cover3-
Published: June 20, 2001
Released on J-STAGE: October 02, 2017
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