Butsuri

Online ISSN : 2423-8872
Print ISSN : 0029-0181
ISSN-L : 0029-0181

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Volume 59, Issue 12

Displaying 1-36 of 36 articles from this issue

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[title in Japanese]

Article type: Cover
2004 Volume 59 Issue 12 Pages Cover1-
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.Cover1

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[title in Japanese]

Article type: Index
2004 Volume 59 Issue 12 Pages Toc1-
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.Toc1

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[title in Japanese]

Article type: Index
2004 Volume 59 Issue 12 Pages Toc2-
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.Toc2

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Physics Junior Session : a Bridge to Tomorrow

Masatoshi Namiki

Article type: Article
2004 Volume 59 Issue 12 Pages 855-
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.855

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Field Theory in Noncommutative Spacetime and Superstring Theory

Katsushi Ito

2004 Volume 59 Issue 12 Pages 856-861
Published: December 05, 2004
Released on J-STAGE: April 14, 2008

DOIhttps://doi.org/10.11316/butsuri1946.59.856

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Noncommutative spacetime is a spacetime where its coordinates are considered to be not ordinary numbers but operators. The idea of noncommutativity in spacetime naturally appears in the context of superstring theory. Superstring theory is a theory which is a candidate of the theory unifying gravity and quantum theory. In this article, we will discuss some strange solitonic solutions found in quantum field theory in noncommutative spacetime and their relation to the superstring theory.

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Analysis of Quark Gluon Plasma in Relativistic Heavy Ion Collisions through Jet Quenching

Tetsufumi Hirano, Hideki Hamagaki

2004 Volume 59 Issue 12 Pages 862-870
Published: December 05, 2004
Released on J-STAGE: April 14, 2008

DOIhttps://doi.org/10.11316/butsuri1946.59.862

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Jet quenching is one of the promising tools to investigate a new form of matter, the quark gluon plasma, produced in relativistic heavy ion collisions at RHIC. We first review the spacetime picture of heavy ion reaction and the parton energy loss in dense matter. Experimental results for high p_T hadrons such as suppression of yields, azimuthal anisotropy and disappearance of azimuthal correlations are manifestations of parton energy loss in dense matter. By comparison of these experimental results with theoretical analyses, we deduce the properties of matter produced in the early stage of collisions. We also briefly comment on a possibility of creation of another form of matter, the color glass condensate.

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The Modern Emulsion Technique and a Research for Cosmic Rays

Kimio Niwa

2004 Volume 59 Issue 12 Pages 871-878
Published: December 05, 2004
Released on J-STAGE: April 14, 2008

DOIhttps://doi.org/10.11316/butsuri1946.59.871

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An Emulsion Cloud Chamber has been widely used to study high energy cosmic rays. Recently, this detector has been extensively improved and developed to a Micro Segment Chamber (MSC). The MSC basically consists of a stack of thin and low-background emulsion film which can be used for high-speed image processing. A sophisticated image processing technique makes it possible to analyze a lot of emulsion films of a kiloton scale. Using this MSC, we have succeeded to detect v_τ events, and are going to start the OPERA experiment at CERN to search for v_μ-v_τ oscillation phenomena. In this article, we briefly introduce the performance and the balloon-borne MSC designed for observing cosmic ray electrons. We also discuss the possibility of searching for WIMPs using super-fine grain emulsion films.

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Globular Protein Crystallization in Lipid Cubic Phase (Current Topics)

Shinpei Tanaka

2004 Volume 59 Issue 12 Pages 879-882
Published: December 05, 2004
Released on J-STAGE: April 14, 2008

DOIhttps://doi.org/10.11316/butsuri1946.59.879

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Crystallization of a globular protein, lysozyme, was found to be enhanced in the medium of a lipid cubic phase. We propose that the confinement of lysozyme molecules to the nanoscale water channels in the cubic phase induces the enhancement.

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Ion Mobility in Cooled Helium Gas (Current Topics)

Hajime Tanuma

2004 Volume 59 Issue 12 Pages 883-887
Published: December 05, 2004
Released on J-STAGE: April 14, 2008

DOIhttps://doi.org/10.11316/butsuri1946.59.883

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Mobilities of ions in helium gas at low temperature have been measured by using of a drift tube apparatus cooled by liquid helium. We have found that mobilities of some molecular ions are lower than the polarization limit below 100 K of the effective temperature. This finding means that the momentum-transfer cross sections become much larger than the classical ones in the ion-atom collisions of lower energies than 10 meV. The reason of this phenomenon is discussed in detail.

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Real Time Observation of Fano Interference in Si (Current Topics)

Masahiro Kitajima, Muneaki Hase, Hrvoje Petek

2004 Volume 59 Issue 12 Pages 888-892
Published: December 05, 2004
Released on J-STAGE: April 14, 2008

DOIhttps://doi.org/10.11316/butsuri1946.59.888

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The progress in femtosecond laser has enabled us to observe coherent motion of lattice vibrations and molecular vibrations in solids. Nevertheless study of coherent phonons in Si, which is an important material for modern devise application, is still missing. We report dynamics of transient interaction of electrons with phonons, followed by generation of coherent optical phonon, observed by using pump-probe technique with 400 nm, 10 fs laser.

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Pogress in the Theory of Anisotropic Superconductivity on the Basis of the Fermi Liquid Theory (Current Topics)

Takuji Nomura, Kosaku Yamada

2004 Volume 59 Issue 12 Pages 893-897
Published: December 05, 2004
Released on J-STAGE: April 14, 2008

DOIhttps://doi.org/10.11316/butsuri1946.59.893

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A number of superconductors exhibiting anisotropic pairing have been discovered so far. In anisotropic superconductors, the attractive force originates from the l>0 component of the pairscattering amplitude. We provide a unified view on the microscopic mechanism of anisotropic superconductivity on the basis of the Fermi liquid theory.

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A Personal Supercomputer Equipped with High-Speed Communication Software

Motohiko Tanaka

2004 Volume 59 Issue 12 Pages 898-902
Published: December 05, 2004
Released on J-STAGE: April 14, 2008

DOIhttps://doi.org/10.11316/butsuri1946.59.898

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The Novel Prize in Physics 2004; David J. Gross, H. David Politzer, Frank Wilczek

Taizo Muta

Article type: Article
2004 Volume 59 Issue 12 Pages 903-
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.903

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A Tribute to the Memory of the Late Professor Isao Imai

Tomomasa Tatsumi

Article type: Article
2004 Volume 59 Issue 12 Pages 904-
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.904

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[title in Japanese]

[in Japanese]

Article type: Article
2004 Volume 59 Issue 12 Pages 905-
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.905_1

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[title in Japanese]

[in Japanese]

Article type: Article
2004 Volume 59 Issue 12 Pages 905-906
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.905_2

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[title in Japanese]

[in Japanese]

Article type: Article
2004 Volume 59 Issue 12 Pages 906-
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.906_1

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[title in Japanese]

[in Japanese]

Article type: Article
2004 Volume 59 Issue 12 Pages 906-907
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.906_2

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[title in Japanese]

[in Japanese]

Article type: Article
2004 Volume 59 Issue 12 Pages 907-
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.907_1

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[title in Japanese]

[in Japanese]

Article type: Article
2004 Volume 59 Issue 12 Pages 907-908
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.907_2

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[title in Japanese]

[in Japanese]

Article type: Article
2004 Volume 59 Issue 12 Pages 908-
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.908_1

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[title in Japanese]

[in Japanese], [in Japanese], [in Japanese], [in Japanese]

Article type: Article
2004 Volume 59 Issue 12 Pages 908-909
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.908_2

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[title in Japanese]

Article type: Appendix
2004 Volume 59 Issue 12 Pages 910-916
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.910

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[title in Japanese]

Article type: Appendix
2004 Volume 59 Issue 12 Pages 917-918
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.917

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[title in Japanese]

Article type: Appendix
2004 Volume 59 Issue 12 Pages 918-919
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.918

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[title in Japanese]

Article type: Appendix
2004 Volume 59 Issue 12 Pages 919-
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.919_2

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[title in Japanese]

Article type: Appendix
2004 Volume 59 Issue 12 Pages 920-922
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.920

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[title in Japanese]

Article type: Appendix
2004 Volume 59 Issue 12 Pages 922-924
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.922

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[title in Japanese]

Article type: Appendix
2004 Volume 59 Issue 12 Pages 925-930
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.925

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[title in Japanese]

Article type: Appendix
2004 Volume 59 Issue 12 Pages App1-
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.App1

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[title in Japanese]

Article type: Index
2004 Volume 59 Issue 12 Pages ii-vii
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.ii

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[title in Japanese]

Article type: Appendix
2004 Volume 59 Issue 12 Pages App2-
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.App2

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[title in Japanese]

Article type: Index
2004 Volume 59 Issue 12 Pages x-xvi
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.x

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[title in Japanese]

Article type: Index
2004 Volume 59 Issue 12 Pages xix-
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.xix

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[title in Japanese]

Article type: Index
2004 Volume 59 Issue 12 Pages xvii-xviii
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.xvii

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[title in Japanese]

Article type: Appendix
2004 Volume 59 Issue 12 Pages xx-
Published: December 05, 2004
Released on J-STAGE: February 15, 2019

DOIhttps://doi.org/10.11316/butsuri1946.59.12.xx

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