Butsuri

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

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Issue 4 Pages 229-
Issue 3 Pages 155-

Volume 62, Issue 4

Displaying 1-28 of 28 articles from this issue

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[title in Japanese]

Article type: Index
2007Volume 62Issue 4 Pages Toc1-
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_Toc1

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[title in Japanese]

Article type: Index
2007Volume 62Issue 4 Pages Toc3-
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_Toc3

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To the Memory of Professor Takehiko Oguchi

Ikuo Ono

Article type: Article
2007Volume 62Issue 4 Pages 229-
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_229

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Spin-Polarization Induced by Pulsed Lasers

Takashi Nakajima

Article type: Article
2007Volume 62Issue 4 Pages 230-238
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_230

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Spin-polarized electrons, ions, and nucleus are known to be very useful in high-energy physics, surface science, atomic and molecular physics, and nuclear physics, etc. In particular, use of lasers for spin-polarization has a great advantage in that spin-polarization is realized without physical contact. However, most of the existing schemes of spin-polarization rely on continuous wave (CW) lasers which have some restrictions in terms of the available wavelengths, powers, and simpliness of handling. Use of pulsed lasers lifts these restrictions. In this review we will discuss some schemes based on pulsed lasers together with theoretical and experimental data.

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Extra Dimensions and Higher-Dimensional Black Holes

Daisuke Ida

Article type: Article
2007Volume 62Issue 4 Pages 238-244
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_238

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As soon as the brane universe model is proposed, it was suggested that there possibly exist extra dimensions with their size much greater than the Planck length. In a space-time model with such macroscopic extra dimensions, higher-dimensional black holes enter the theory at the classical level. One could see a lot of aspects of the theories in higher-dimensional space-times through such black holes. On the other hand, it has gradually been known that higher-dimensional black holes look quite different from those in four-dimensional space-times. Here we review recent studies and related topics on higher-dimensional black holes.

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Anisotropy of 3-Dimensional Diamagnetic Crystals and Their Efficiency of Magnetic Alignment(Current Topics)

Chiaki Uyeda

Article type: Article
2007Volume 62Issue 4 Pages 245-249
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_245

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Up to now, existence of diamagnetic anisotropy Δχ_<DIA> has not been recognized for a immense number of nonmetallic crystals. Small Δχ_<DIA> are accumulated for various oxide crystals by measuring the rotational oscillation of the crystal with respect to magnetic field. The Δχ_<DIA> values were explained quantitatively by assigning a constant Δχ_<DIA> to the individual bonding orbital. Almost full alignment is achieved for many of the micron-sized diamagnetic crystals dispersed in fluid at field intensity below 2T.

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Observation of Particle-Antiparticle Oscillations of the B^O_S Meson(Current Topics)

Fumihiko Ukegawa, Satoru Uozumi, Shinhong Kim

Article type: Article
2007Volume 62Issue 4 Pages 249-254
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_249

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The CDF experiment at the Tevatron proton-antiproton collider at Fermi National Accelerator Laboratory in Batavia, Illinois, USA, has recently observed particle-antiparticle oscillations of the bottom-strange meson, B^O_S, and measured the frequency of the oscillations, Δm_s. It has led to a precise determination of the elements |V_<td>/V_<ts>| of the Kobayashi-Maskawa matrix, providing a unique test of the Kobayashi-Maskawa theory of CP violation in weak interactions of elementary particles. The observation will also enable studies of CP-violation phenomena using the decay modes of the B^O_S meson that have not been explored previously.

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Spin Disordered State in a Two-Dimensional Triangular Antiferromagnet(Current Topics)

Yusuke Nambu, Satoru Nakatsuji, Yoshiteru Maeno

Article type: Article
2007Volume 62Issue 4 Pages 254-259
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_254

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Geometrically frustrated magnets have attracted interest because of their possible novel phenomena upon suppression of conventional magnetic orders. Among such magnets, one of the simplest examples, the triangular antiferromagnet, has been studied extensively. However, most of the systems have been found to order antiferromagnetically at low temperatures. Recently, we have developed NiGa_2S_4, as the first example of a bulk low spin (S≤1) 2D antiferromagnet with an exact triangular lattice. This compound exhibits a spin disordered state instead of either antiferromagnetic order or conventional spin glass state. In this review, we present our recent experimental results for NiGa_2S_4 and its nonmagnetic impurity effects, as well as the relevant theoretical results.

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Stochasticity and Non-Locality of Time(Current Topics)

Toru Ohira

Article type: Article
2007Volume 62Issue 4 Pages 260-264
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_260

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Report on the Result of the Questionnaire at the JPS Fall Meeting 2006 at Chiba

Hisao Hayakawa

Article type: Article
2007Volume 62Issue 4 Pages 265-268
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_265

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Toward Development of Physics for All : From International Conference on Physics Education 2006(Tokyo)(Physics Education Today)

Toshio Hyodo

Article type: Article
2007Volume 62Issue 4 Pages 269-272
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_269

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Pursuing an Explorer's Life(Network Pages for Professional Develoopment of Physicists)

Hideki Takayasu

Article type: Article
2007Volume 62Issue 4 Pages 272-275
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_272

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26th Shimadzu Prize; Shigemasa Suga(Physics Community News)

[in Japanese]

Article type: Article
2007Volume 62Issue 4 Pages 276-
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_276_1

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Deriving Maxwell Equations form Newton Equation(Forum)

Noboru Hokkyo

Article type: Article
2007Volume 62Issue 4 Pages 276-277
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_276_2

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JPSJ Selected Papers in the Latest Issue

Hiroyuki Shiba

Article type: Article
2007Volume 62Issue 4 Pages 278-279
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_278

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[title in Japanese]

[in Japanese]

Article type: Article
2007Volume 62Issue 4 Pages 279-
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_279_1

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[title in Japanese]

[in Japanese]

Article type: Article
2007Volume 62Issue 4 Pages 279-280
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_279_2

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[title in Japanese]

[in Japanese]

Article type: Article
2007Volume 62Issue 4 Pages 280-
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_280

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[title in Japanese]

[in Japanese]

Article type: Article
2007Volume 62Issue 4 Pages 281-
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_281

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[title in Japanese]

[in Japanese]

2007Volume 62Issue 4 Pages 282-
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_282

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[title in Japanese]

2007Volume 62Issue 4 Pages 283-
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_283

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[title in Japanese]

Article type: Appendix
2007Volume 62Issue 4 Pages 284-290
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_284

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[title in Japanese]

Article type: Appendix
2007Volume 62Issue 4 Pages 290-291
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_290

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[title in Japanese]

[in Japanese]

Article type: Appendix
2007Volume 62Issue 4 Pages 291-
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_291_1

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[title in Japanese]

Article type: Appendix
2007Volume 62Issue 4 Pages 292-295
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_292

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[title in Japanese]

Article type: Appendix
2007Volume 62Issue 4 Pages 296-314
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_296

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[title in Japanese]

Article type: Appendix
2007Volume 62Issue 4 Pages 315-316
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_315

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[title in Japanese]

Article type: Appendix
2007Volume 62Issue 4 Pages 317-318
Published: April 05, 2007
Released on J-STAGE: June 21, 2024

DOIhttps://doi.org/10.11316/butsuri.62.4_317

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