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Volume 60, Issue 5
Displaying 1-33 of 33 articles from this issue
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Article type: Cover
2005 Volume 60 Issue 5 Pages Cover1-
Published: May 05, 2005
Released on J-STAGE: January 25, 2019
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Article type: Index
2005 Volume 60 Issue 5 Pages Toc1-
Published: May 05, 2005
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Article type: Index
2005 Volume 60 Issue 5 Pages Toc2-
Published: May 05, 2005
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Hiroyuki ShibaArticle type: Article
2005 Volume 60 Issue 5 Pages 335-
Published: May 05, 2005
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Kenichi KuboArticle type: Article
2005 Volume 60 Issue 5 Pages 336-
Published: May 05, 2005
Released on J-STAGE: January 25, 2019
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Masaru Matsuoka2005 Volume 60 Issue 5 Pages 337-343
Published: May 05, 2005
Released on J-STAGE: April 14, 2008
JOURNAL FREE ACCESSThe last century the classical astronomy has been developed to astrophysics by introducing modern physics of the quantum theory and the theory of relativity. Thus the astrophysics founded in last one century has several fields such as cosmic ray physics, radio astronomy, X-ray astronomy, gamma-ray astronomy, infrared astronomy, neutrino astronomy and so on. We describe a partial short history and activities of the astrophysics in Japan. Although the astrophysics has widely advanced, we could expect new surprising objects and phenomena in the universe even in the future.View full abstractDownload PDF (1412K) -
Hiroyuki Hata2005 Volume 60 Issue 5 Pages 344-350
Published: May 05, 2005
Released on J-STAGE: April 14, 2008
JOURNAL FREE ACCESSString field theory (SFT) is a field theory having as its dynamical variable the operator (string field) which creates/annihilates a string. It has a huge gauge invariance which is an extension of symmetries in Yang-Mills theory and Einstein gravity theory. Recently, the usefulness of SFT has been recognized through the analysis of tachyon condensation, a nonperturbative phenomenon in string theory. Also SFT is expected to give a fundamental framework of string theory for solving the important problem of whether string theory can reproduce the standard model. Here, I present an introductory review of SFT including the formulation SFT, its application to tachyon condensation and future problems.View full abstractDownload PDF (929K) -
Keiichi Takasugi2005 Volume 60 Issue 5 Pages 351-358
Published: May 05, 2005
Released on J-STAGE: April 14, 2008
JOURNAL FREE ACCESSZ-Pinch has the nature of contracting by itself to produce a hot dense state spontaneously with the help of surrounding magnetic energy. Although it has been the most promising candidate in the early nuclear fusion research, it was given up immediately because of its unstable nature. With the emergence of the gas-puff Z-pinch, it comes to have a new recognition of Z-pinch as an intense pulsed source of EUV light and soft X-ray, and research on Z-pinch as a driver for inertial confinement fusion is advanced now. Here introduced is Z-pinch as a self-contracting system.View full abstractDownload PDF (1348K) -
Goro Oohata, Keiichi Edamatsu2005 Volume 60 Issue 5 Pages 359-362
Published: May 05, 2005
Released on J-STAGE: April 14, 2008
JOURNAL FREE ACCESSWe demonstrate the first experimental realization of the generation of entangled photon pairs via biexciton-resonant hyper parametric scattering in a semiconductor (CuCl). Polarization correlation measurements and quantum tomographic analysis show that the generated photon pairs have a high degree of polarization entanglement.View full abstractDownload PDF (738K) -
Koji Usami, Yoshihiro Nambu, Akihisa Tomita, Kazuo Nakamura2005 Volume 60 Issue 5 Pages 363-367
Published: May 05, 2005
Released on J-STAGE: April 14, 2008
JOURNAL FREE ACCESSWhen the electromagnetic field is detected by stimulated emission, rather than by absorption, antinormally ordered photodetection can be realized. One of the distinct features of this photodetection scheme, i.e., a quantum counter, is its sensitivity to vacuum fluctuations. We have recently succeeded in experimentally demonstrating the quantum counter by exploiting stimulated parametric down-conversion. Here, we present some interesting physics concerning vacuum fluctuations and quantum measurement processes through our experiment on the quantum counter.View full abstractDownload PDF (797K) -
Akihiro Haga, Yataro Horikawa2005 Volume 60 Issue 5 Pages 368-372
Published: May 05, 2005
Released on J-STAGE: April 14, 2008
JOURNAL FREE ACCESSRecent high-precision spectroscopy in hydrogen-like heavy ions is reaching the level where nuclear dynamics become significant. The study of nuclear-polarization effects on the atomic energy spectra and the g-factor of the bound electron, together with the study of muonic atoms, provides a new frontier that bridges the atomic physics, nuclear physics, and precision tests of QED. In this report, recent developments of these researches are reviewed.View full abstractDownload PDF (914K) -
Makoto Tashiro2005 Volume 60 Issue 5 Pages 373-376
Published: May 05, 2005
Released on J-STAGE: April 14, 2008
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Akira HatanoArticle type: Article
2005 Volume 60 Issue 5 Pages 377-380
Published: May 05, 2005
Released on J-STAGE: January 25, 2019
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Peter Melville, Roy LangArticle type: Article
2005 Volume 60 Issue 5 Pages 380-384
Published: May 05, 2005
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[in Japanese]Article type: Article
2005 Volume 60 Issue 5 Pages 384-
Published: May 05, 2005
Released on J-STAGE: January 25, 2019
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Fumiaki ShibataArticle type: Article
2005 Volume 60 Issue 5 Pages 385-386
Published: May 05, 2005
Released on J-STAGE: January 25, 2019
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Kenichi Iga2005 Volume 60 Issue 5 Pages 387-388
Published: May 05, 2005
Released on J-STAGE: April 14, 2008
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Keiji HirataArticle type: Article
2005 Volume 60 Issue 5 Pages 388-390
Published: May 05, 2005
Released on J-STAGE: January 25, 2019
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Katsuhiko SatoArticle type: Article
2005 Volume 60 Issue 5 Pages 391-
Published: May 05, 2005
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[in Japanese]Article type: Article
2005 Volume 60 Issue 5 Pages 392-
Published: May 05, 2005
Released on J-STAGE: January 25, 2019
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[in Japanese]Article type: Article
2005 Volume 60 Issue 5 Pages 392-393
Published: May 05, 2005
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[in Japanese]Article type: Article
2005 Volume 60 Issue 5 Pages 393-394
Published: May 05, 2005
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[in Japanese]Article type: Article
2005 Volume 60 Issue 5 Pages 394-
Published: May 05, 2005
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Article type: Appendix
2005 Volume 60 Issue 5 Pages 395-
Published: May 05, 2005
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Article type: Appendix
2005 Volume 60 Issue 5 Pages 396-403
Published: May 05, 2005
Released on J-STAGE: January 25, 2019
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Article type: Appendix
2005 Volume 60 Issue 5 Pages 403-404
Published: May 05, 2005
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Article type: Appendix
2005 Volume 60 Issue 5 Pages 405-
Published: May 05, 2005
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Article type: Appendix
2005 Volume 60 Issue 5 Pages 405-
Published: May 05, 2005
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Article type: Appendix
2005 Volume 60 Issue 5 Pages 406-407
Published: May 05, 2005
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Article type: Appendix
2005 Volume 60 Issue 5 Pages 410-411
Published: May 05, 2005
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Article type: Appendix
2005 Volume 60 Issue 5 Pages 411-412
Published: May 05, 2005
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Article type: Appendix
2005 Volume 60 Issue 5 Pages 412-413
Published: May 05, 2005
Released on J-STAGE: January 25, 2019
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Article type: Appendix
2005 Volume 60 Issue 5 Pages 414-
Published: May 05, 2005
Released on J-STAGE: January 25, 2019
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