Butsuri

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

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Volume 58, Issue 4

Displaying 1-32 of 32 articles from this issue

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[title in Japanese]

Article type: Cover
2003 Volume 58 Issue 4 Pages Cover1-
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.Cover1

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[title in Japanese]

Article type: Index
2003 Volume 58 Issue 4 Pages Toc1-
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.Toc1

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[title in Japanese]

Article type: Index
2003 Volume 58 Issue 4 Pages Toc2-
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.Toc2

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On the Evaluation Based on Numerical Data

Koji Kajita

Article type: Article
2003 Volume 58 Issue 4 Pages 229-
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.229

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"High-Temperature Superconducivity" in Heavy Fermions

Takashi Hotta

Article type: Article
2003 Volume 58 Issue 4 Pages 230-
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.230

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Observational Results of Cosmic Microwave Background Fluctuations by WMAP Satellite

Makoto Matsumiya, Jun'ichi Yokoyama

Article type: Article
2003 Volume 58 Issue 4 Pages 231-
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.231

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Structural Studies on the Mechanism of Biological Molecular Motor Kinesins

Masahide Kikkawa

2003 Volume 58 Issue 4 Pages 232-238
Published: April 05, 2003
Released on J-STAGE: April 14, 2008

DOIhttps://doi.org/10.11316/butsuri1946.58.232

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What is the smallest converter on the earth that trans-forms chemical energy to mechanical energy? Probably, it is a biological molecule called "kinesin." In these 15 years, to know how such a small molecule (5-6nm) can generate force, various methods, such as genetic engineering, single-molecule motility assays and structural biology were used and revealed quantitative properties of kinesin. In this paper, I will describe what has been revealed by investigating the structures of kinesins.

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Statistical Mechanics of Information Processing : An Application to Error Correcting Codes

Yoshiyuki Kabashima

2003 Volume 58 Issue 4 Pages 239-246
Published: April 05, 2003
Released on J-STAGE: April 14, 2008

DOIhttps://doi.org/10.11316/butsuri1946.58.239

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Statistical mechanics for equilibrium systems which are described by the Boltzmann distribution can be regarded as a tool box for calculating various averages from large scale probabilistic models. This implies that there is no reason for restricting its employment to natural phenomenon. In this article, we explore a possible extension of statistical mechanics to topics in information sciences illustrating a recent application of spin glass theory to error-correcting codes.

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Protein Dynamics Leading to Its Biological Functions

Akinori Kidera, Mitsunoti Ikeguchi

2003 Volume 58 Issue 4 Pages 246-253
Published: April 05, 2003
Released on J-STAGE: April 14, 2008

DOIhttps://doi.org/10.11316/butsuri1946.58.246

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Proteins are the biological devices, transporting/transmitting substances/information along the pathway constructed by the genomic information. These devices work by switching its biological function in the on/off manner, through the structural changes occurring as the response to the external stimulations. The mechanism realizing the biological functions must be implemented even in a single protein molecule. How can we describe such mechanism in the words of physics? Here, we will explain various pictures of protein dynamics.

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Impurity-Induced Bound States in High-Te Cuprates

Hiroshi Tsuchiura, Masao Ogata, Yukio Tanaka, Satoshi Kashiwaya

2003 Volume 58 Issue 4 Pages 254-257
Published: April 05, 2003
Released on J-STAGE: April 14, 2008

DOIhttps://doi.org/10.11316/butsuri1946.58.254

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Quasiparticle bound states can be formed around an impurity in high-T_e cuprates. Recently the property of the bound states has been increasingly understood because of the development in technology of scanning tunneling microscopy. Here we present the recent experimental and theoretical results about the bound states around a Zn impurity, which is the best understood among various impurity-induced bound states.

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Exciton Dynamics Polysilane

Shozo Suto, Makoto Shimizu

2003 Volume 58 Issue 4 Pages 258-261
Published: April 05, 2003
Released on J-STAGE: April 14, 2008

DOIhttps://doi.org/10.11316/butsuri1946.58.258

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We review the exciton dynamics in polysilane studied by the time resolved photoluminescence spectroscopy at pico- and subpico-second region. The rise time of 70 ps is observed. In order to explain the result, numerical diagonalization of Frenkel exciton Hamiltonian with disorder is carried out and the luminescent process is formulated. We discuss the exciton dynamics and the role of hidden structures appeared in the site representation of exciton wave functions.

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Generation and Polarization Measurement of High-Quality, Short-Pulse Polarized

Tsunehiko Omori, Masufumi Fukuda

2003 Volume 58 Issue 4 Pages 262-265
Published: April 05, 2003
Released on J-STAGE: April 14, 2008

DOIhttps://doi.org/10.11316/butsuri1946.58.262

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Recently production of high quality photon beams through backward Compton scattering has attracted a great interest. In this method, a photon beam is created in collision of a laser beam with a relativistic electron beam. A distinctive feature of the method is as follows : First, we can easily control the energy of photon beams from few hundred eV to few GeV, by choosing combination of energies of laser and electron beams : second, very short and high brightness is available ; third, the photon beam has good directivity ; and forth, high magnitude of a photon-beam polarization is achievable by using an initially polarized laser-beam. In this article, we describe our recent experiment in which a highly polarized gamma-ray beam with a maximum energy of 56MeV is efficiently generated, and a transmission method is, for the first time, demonstrated in the polarization measurement of a short pulse photon beam.

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Deep Space Exploration by Magnetoplasma Sail

Ikkoh Funaki, Hiroshi Yamakawa, Kazuhisa Fujita, Satoshi Nonaka

2003 Volume 58 Issue 4 Pages 266-269
Published: April 05, 2003
Released on J-STAGE: April 14, 2008

DOIhttps://doi.org/10.11316/butsuri1946.58.266

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[title in Japanese]

Article type: Appendix
2003 Volume 58 Issue 4 Pages 270-
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.270_1

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[title in Japanese]

Article type: Appendix
2003 Volume 58 Issue 4 Pages 270-
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.270_2

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[title in Japanese]

Article type: Appendix
2003 Volume 58 Issue 4 Pages 270-
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.270_3

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The 5th Asian International Seminar on Atomic and Molecular Physics

Michio Matsuzawa

Article type: Article
2003 Volume 58 Issue 4 Pages 271-
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.271

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5th Japanese-American Frontiers of Science Symposium

Masako Takasu

Article type: Article
2003 Volume 58 Issue 4 Pages 272-
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.272

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Recalling the Memory of the Late Masahiro Wakatani

Kyoji Nishikawa

Article type: Article
2003 Volume 58 Issue 4 Pages 273-
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.273

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[title in Japanese]

[in Japanese]

Article type: Article
2003 Volume 58 Issue 4 Pages 274-
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.274_1

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[title in Japanese]

[in Japanese]

Article type: Article
2003 Volume 58 Issue 4 Pages 274-275
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.274_2

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[title in Japanese]

[in Japanese]

Article type: Article
2003 Volume 58 Issue 4 Pages 275-
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.275

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[title in Japanese]

[in Japanese]

Article type: Article
2003 Volume 58 Issue 4 Pages 276-
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.276_1

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[title in Japanese]

[in Japanese]

Article type: Article
2003 Volume 58 Issue 4 Pages 276-277
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.276_2

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[title in Japanese]

Article type: Appendix
2003 Volume 58 Issue 4 Pages 277-282
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.277

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[title in Japanese]

Article type: Appendix
2003 Volume 58 Issue 4 Pages 282-285
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.282

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[title in Japanese]

Article type: Appendix
2003 Volume 58 Issue 4 Pages 285-
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.285

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[title in Japanese]

Article type: Appendix
2003 Volume 58 Issue 4 Pages 286-287
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.286

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[title in Japanese]

Article type: Appendix
2003 Volume 58 Issue 4 Pages 287-
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.287_1

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[title in Japanese]

Article type: Appendix
2003 Volume 58 Issue 4 Pages 287-
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.287_3

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[title in Japanese]

Article type: Appendix
2003 Volume 58 Issue 4 Pages 288-305
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.288

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[title in Japanese]

Article type: Appendix
2003 Volume 58 Issue 4 Pages 306-312
Published: April 05, 2003
Released on J-STAGE: March 07, 2019

DOIhttps://doi.org/10.11316/butsuri1946.58.4.306

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