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Volume 68, Issue 5
Displaying 1-25 of 25 articles from this issue
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Article type: Cover
2013 Volume 68 Issue 5 Pages Cover1-
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
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Article type: Index
2013 Volume 68 Issue 5 Pages Toc1-
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
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Article type: Index
2013 Volume 68 Issue 5 Pages Toc3-
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
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Article type: Appendix
2013 Volume 68 Issue 5 Pages 283-286
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
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Tohru MotobayashiArticle type: Article
2013 Volume 68 Issue 5 Pages 287-
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
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Michihisa Yamamoto, Shintaro Takada, Seigo TaruchaArticle type: Article
2013 Volume 68 Issue 5 Pages 288-295
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
JOURNAL FREE ACCESSSince quantum interferences such as Aharonov-Bohm effect are observed in solid systems, development of quantum devices utilizing wave nature of flying electrons has been one of the most intriguing and longstanding issues of solid state physics. However, quantum interferences in solid systems suffer from complicated multi-path scattering and many body interactions. Researchers therefore found it difficult to transfer or control quantum states of individual propagating electrons. In this article, we present new technologies to overcome such difficulties and to transfer and control quantum information possessed by each flying electron. These open avenues towards quantum electron optics, in which quantum optics like experiments are performed with flying electrons in a single electron unit.View full abstractDownload PDF (14732K) -
Hideo Sugama, Tomohiko WatanabeArticle type: Article
2013 Volume 68 Issue 5 Pages 296-304
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
JOURNAL FREE ACCESSPhysical properties of fusion and space plasmas are significantly influenced by background magnetic fields. The gyrokinetic theory is a basic framework for describing microinstabilities and turbulence in these magnetized plasmas. In the gyrokinetic theory, particles' distribution functions are averaged with respect to the angle variables associated with particles' gyromotion around magnetic field lines and the dimension of the treated phase space is reduced so that theoretical analyses and numerical simulations can be simplified. Besides primary kinetic effects such as particles' orbits in complex magnetic configurations, finite gyroradii, and Landau damping due to resonant wave-particle interaction are accurately described by the gyrokinetic model. Therefore, theoretical and simulation researches based on the gyro-kinetics have been actively done in the fields of turbulent transport in fusion plasmas and spectral analyses of space plasma turbulence.View full abstractDownload PDF (8821K) -
Yukiko Yamada-Takamura, Antoine Fleurence, Rainer Friedlein, Taisuke O ...Article type: Article
2013 Volume 68 Issue 5 Pages 305-308
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
JOURNAL FREE ACCESSAlthough silicon and carbon are homologous elements, we had rarely heard about the Si-counterpart of graphite. But in 2012, experimental evidence for the existence of a Si-version of graphene, "silicene", was reported by several groups. Silicene is expected to possess electronic properties exotic as those of graphene, but on the other hand, its crystal structure is flexible because it can be buckled. In this article, we will introduce this new two-dimensional material, silicene, which is in some aspects similar to, but also different from graphene.View full abstractDownload PDF (11067K) -
Kouji Miura, Naruo SasakiArticle type: Article
2013 Volume 68 Issue 5 Pages 309-313
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
JOURNAL FREE ACCESSExfoliation and adhesion are a daily ordinary phenomenon. However, these exhibit irregular behaviors on the atomic- and molecular-scale. In this article, we introduce that a carbon nanotube and a graphene exhibit atomic-scale movements on a graphite substrate, in which stick-slip sliding occurs at the atomic scale while maintaining AB-stacking registry with the graphite substrate. It is expected that the study on exfoliation and adhesion provides control of friction, a stronger adhesion and an easier exfoliation than those of a gecko foot and applications for nanomachine and biomolecular motor.View full abstractDownload PDF (6805K) -
Muneaki Hase, Kotaro Makino, Junji TominagaArticle type: Article
2013 Volume 68 Issue 5 Pages 314-318
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
JOURNAL FREE ACCESSMulti-component chalcogenides, such as Ge_2Sb_2Te_5, are potentially used in optical data storage media in the forms of rewritable DVDs, and Blu-ray discs. Irradiating Ge_2Sb_2Te_5 with laser pulses induces phase transition between the amorphous and crystal. Since optical reflectivity is significantly different in the two states, the material has been used in optical memories. Recently, by monitoring coherent phonons excited by femtosecond laser pulses in Ge_2Sb_2Te_5, it becomes possible to induce and observe the phase transition in the ultrafast time scale of sub-picoseconds. Here we report the recent progress of the ultrafast phase transition observed in optical data storage media.View full abstractDownload PDF (4163K) -
Daichi Chiba, Teruo OnoArticle type: Article
2013 Volume 68 Issue 5 Pages 318-322
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
JOURNAL FREE ACCESSWe found that the ferromagnetism in Co ultra-thin film can be switched on and off isothermally and reversible way by applying a gate voltage thorough an insulator layer. This is attributed to the change in electron density at the surface of Co film. In this manuscript, we discuss the recent experimental results of electric field effect on magnetism in transition metals.View full abstractDownload PDF (4214K) -
Tsuneya AndoArticle type: Article
2013 Volume 68 Issue 5 Pages 323-324
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
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Tetsuro SasoArticle type: Article
2013 Volume 68 Issue 5 Pages 325-326
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
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Kohsuke YagiArticle type: Article
2013 Volume 68 Issue 5 Pages 326-327
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
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[in Japanese]Article type: Article
2013 Volume 68 Issue 5 Pages 328-
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
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[in Japanese]Article type: Article
2013 Volume 68 Issue 5 Pages 329-
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
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[in Japanese]Article type: Article
2013 Volume 68 Issue 5 Pages 329-330
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
JOURNAL FREE ACCESSDownload PDF (373K) -
2013 Volume 68 Issue 5 Pages 330-
Published: 2013
Released on J-STAGE: October 18, 2019
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Article type: Appendix
2013 Volume 68 Issue 5 Pages 331-335
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
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Article type: Appendix
2013 Volume 68 Issue 5 Pages 335-336
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
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[in Japanese]2013 Volume 68 Issue 5 Pages 337-
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
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Article type: Appendix
2013 Volume 68 Issue 5 Pages 338-
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
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Article type: Appendix
2013 Volume 68 Issue 5 Pages 339-340
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
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Article type: Appendix
2013 Volume 68 Issue 5 Pages 340-342
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
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Article type: Appendix
2013 Volume 68 Issue 5 Pages 343-344
Published: May 05, 2013
Released on J-STAGE: October 18, 2019
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