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Article type: Cover
2013 Volume 68 Issue 9 Pages
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Published: September 05, 2013
Released on J-STAGE: October 17, 2019
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Article type: Index
2013 Volume 68 Issue 9 Pages
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Published: September 05, 2013
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Article type: Index
2013 Volume 68 Issue 9 Pages
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Published: September 05, 2013
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Article type: Appendix
2013 Volume 68 Issue 9 Pages
581-582
Published: September 05, 2013
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Norisuke Sakai
Article type: Article
2013 Volume 68 Issue 9 Pages
583-
Published: September 05, 2013
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Satoshi N. Nakamura, Yuu Fujii, Kyo Tsukada
Article type: Article
2013 Volume 68 Issue 9 Pages
584-592
Published: September 05, 2013
Released on J-STAGE: October 17, 2019
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Adding a strange quark to a nucleus, deep inside of the nucleus and the baryon force which bridges nuclear force and QCD could be studied. Spectroscopic study of Lambda hypernuclei, which have the lightest strange baryon Λ, has been extensively performed with meson beams such as K^-s and π^+s. A new experimental technique, the study of hypernuclei with electron beams, has been recognized important from the '80s, however experimental difficulties prevented the experiment until year 2000. With a decade of efforts at JLab, Λ hypernuclear spectroscopy with electron beams has been established and further progresses are expected at JLab and Mainz. This article reviews spectroscopic study of Λ hypernuclei with electron beams and future prospects.
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Takasada Shibauchi, Yuji Matsuda
Article type: Article
2013 Volume 68 Issue 9 Pages
592-601
Published: September 05, 2013
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The new iron-based high temperature superconductors knocked the cuprates off their pedestal as a seemingly unique class of high-temperature superconductors. High transition temperatures in these materials cannot be explained by the conventional phonon-mediated mechanism of superconductivity. The electronic phase diagrams of iron-based superconductors have a lot in common with those of heavy-fermion superconducting materials, which are prototypical of unconventional superconductors although their transition temperatures are rather low. Thus the iron-based superconductors have provided a new platform of the studies of unconventional superconductivity, which include important subjects of condensed matter physics such as electron correlations, quantum phase transition, non-Fermi liquid properties, and novel ordered phases. We review important aspects of magnetic, electronic and superconducting properties in the iron-based materials recently revealed from several precise measurements by using high-quality single crystals.
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Shuichi Takamura, Shin Kajita, Noriyasu Ohno
Article type: Article
2013 Volume 68 Issue 9 Pages
602-611
Published: September 05, 2013
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Helium defects on plasma-facing refractory metals like tungsten have been studied in fusion sciences from the view point of the effects on metal surface properties, concentrating on the bubble formation. However, the surface morphology over the lower surface temperature range was found recently to be changed drastically, something like cotton down or arborescence, sometimes called as "fuzz". The formation process, although still open problem, would be discussed in terms of viscoelastic model with the effect of surface tension, taking account of its thermal properties and nano-bubbles inside the thin fibers. Some physical surface characteristics like electron emission, radiation emissivity and sputtering are quite influenced by its forest-like structure. Unipolar arcing has been newly studied by using such a surface structure which makes its initiation controllable. In the present report, other examples of nanostructure formation in a variety of particle incident conditions have been introduced as well as the possibility of its industrial applications to enhance interdisciplinary interests.
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Hirofumi Wada
Article type: Article
2013 Volume 68 Issue 9 Pages
612-616
Published: September 05, 2013
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Biomechanics seeks to understand mechanisms underlying shapes and motions of various living systems based on the continuum mechanics without much relying on molecular and genetic information. While it is a traditional research field with very classical tools, it may currently emerge as a somewhat unique approach among other dominant microscopic studies in modern sciences. Here we give two specific examples of such biomechanical studies. A common keyword is "helix"; The first one is a bacterial motility, the other is a morphology of plant organs.
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Tsuneya Ando
Article type: Article
2013 Volume 68 Issue 9 Pages
617-619
Published: September 05, 2013
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Norisuke Sakai
Article type: Article
2013 Volume 68 Issue 9 Pages
620-621
Published: September 05, 2013
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[in Japanese]
2013 Volume 68 Issue 9 Pages
622-
Published: September 05, 2013
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[in Japanese]
2013 Volume 68 Issue 9 Pages
622-
Published: 2013
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Toru Asahi, Hiromichi Nakazato, Kiyotaka Suzuki
Article type: Article
2013 Volume 68 Issue 9 Pages
623-627
Published: September 05, 2013
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Hiroaki Menjoh
Article type: Article
2013 Volume 68 Issue 9 Pages
628-629
Published: September 05, 2013
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Masayuki Ohzeki
Article type: Article
2013 Volume 68 Issue 9 Pages
630-631
Published: September 05, 2013
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[in Japanese]
Article type: Article
2013 Volume 68 Issue 9 Pages
632-
Published: September 05, 2013
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[in Japanese]
Article type: Article
2013 Volume 68 Issue 9 Pages
632-633
Published: September 05, 2013
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2013 Volume 68 Issue 9 Pages
633-
Published: 2013
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Article type: Appendix
2013 Volume 68 Issue 9 Pages
634-641
Published: September 05, 2013
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Article type: Appendix
2013 Volume 68 Issue 9 Pages
641-642
Published: September 05, 2013
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[in Japanese]
2013 Volume 68 Issue 9 Pages
642-
Published: September 05, 2013
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Article type: Appendix
2013 Volume 68 Issue 9 Pages
643-645
Published: September 05, 2013
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Article type: Appendix
2013 Volume 68 Issue 9 Pages
646-647
Published: September 05, 2013
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Article type: Appendix
2013 Volume 68 Issue 9 Pages
648-
Published: September 05, 2013
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