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Volume 69, Issue 3
Displaying 1-26 of 26 articles from this issue
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Article type: Cover
2014 Volume 69 Issue 3 Pages Cover1-
Published: March 05, 2014
Released on J-STAGE: August 22, 2019
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Leo EsakiArticle type: Article
2014 Volume 69 Issue 3 Pages 127-
Published: March 05, 2014
Released on J-STAGE: August 22, 2019
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Article type: Index
2014 Volume 69 Issue 3 Pages Toc1-
Published: March 05, 2014
Released on J-STAGE: August 22, 2019
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Masao OgataArticle type: Article
2014 Volume 69 Issue 3 Pages 130-131
Published: March 05, 2014
Released on J-STAGE: August 22, 2019
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Masahito Mochizuki, Shinichiro SekiArticle type: Article
2014 Volume 69 Issue 3 Pages 132-139
Published: March 05, 2014
Released on J-STAGE: August 22, 2019
JOURNAL FREE ACCESSMagnetic skyrmions, vortex-like swirling spin textures characterized by a quantized topological invariant in chiral-lattice magnets, are currently attracting intensive research interest. In particular, their dynamics under external fields is an issue of vital importance because its understanding is crucial both for fundamental science and for technical applications. It has turned out that the skyrmions in an insulating magnet Cu_2OSeO_3 exhibit a multiferroic nature with magnetism-induced ferroelectricity. In this article, we discuss that this multiferroic skyrmion phase shows unique coupled oscillation modes of magnetizations and polarizations, which are both magnetically and electrically active, and the intense interference between their electric and magnetic activation processes leads to an unprecedentedly large diode effect on microwaves. The microwave absorption by this skyrmion phase changes up to 〜20% when the incident direction is reversed. Our results demonstrate that the multiferroic skyrmions can be a promising building block for microwave devices.View full abstractDownload PDF (20527K) -
Masahiro TakadaArticle type: Article
2014 Volume 69 Issue 3 Pages 140-148
Published: March 05, 2014
Released on J-STAGE: August 22, 2019
JOURNAL FREE ACCESSThe cosmic acceleration problem or dark energy problem is one of the most important and tantalizing problems in astronomy, cosmology as well as particle physics. There are various wide-field, imaging galaxy survey being planned across the world, aimed at exploring the nature of dark energy. Ahead of these projects, the next-generation wide-field prime-focus camera of the 8.2m Subaru Telescope, the Hyper Suprime-Cam, just had the first image of real sky (see the article by Prof. Miyazaki in this journal for details). The combination of wide field-of-view and large mirror aperture makes HSC/Subaru the most powerful instrument for a wide-field galaxy survey. Starting from next year, for 5 years duration, we are planning to carry out an ever largest galaxy survey with HSC. In this article, I briefly describe the HSC project and the science cases we can carry out with the HSC survey, and will also discuss prospects for observational cosmology in coming decades.View full abstractDownload PDF (19472K) -
Satoshi MiyazakiArticle type: Article
2014 Volume 69 Issue 3 Pages 149-156
Published: March 05, 2014
Released on J-STAGE: August 22, 2019
JOURNAL FREE ACCESSNew wide field camera of 1.5 degree FOV is being built for 8.2m Subaru Telescope. The primary science case is to probe dark energy through weak gravitational lensing.View full abstractDownload PDF (20076K) -
[in Japanese], [in Japanese], [in Japanese]Article type: Article
2014 Volume 69 Issue 3 Pages 157-158
Published: March 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese]2014 Volume 69 Issue 3 Pages 159-167
Published: 2014
Released on J-STAGE: August 22, 2019
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[in Japanese]Article type: Article
2014 Volume 69 Issue 3 Pages 168-169
Published: March 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese]2014 Volume 69 Issue 3 Pages 172-
Published: 2014
Released on J-STAGE: October 17, 2019
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[in Japanese]2014 Volume 69 Issue 3 Pages 170-
Published: 2014
Released on J-STAGE: October 17, 2019
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[in Japanese]2014 Volume 69 Issue 3 Pages 171-
Published: 2014
Released on J-STAGE: October 17, 2019
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[in Japanese]2014 Volume 69 Issue 3 Pages 171-172
Published: 2014
Released on J-STAGE: October 17, 2019
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[in Japanese]2014 Volume 69 Issue 3 Pages 172-173
Published: 2014
Released on J-STAGE: October 17, 2019
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[in Japanese]2014 Volume 69 Issue 3 Pages 173-
Published: 2014
Released on J-STAGE: October 17, 2019
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[in Japanese]Article type: Article
2014 Volume 69 Issue 3 Pages 174-
Published: March 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese]Article type: Article
2014 Volume 69 Issue 3 Pages 175-
Published: March 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese]Article type: Article
2014 Volume 69 Issue 3 Pages 175-176
Published: March 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese]Article type: Article
2014 Volume 69 Issue 3 Pages 176-177
Published: March 05, 2014
Released on J-STAGE: August 22, 2019
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2014 Volume 69 Issue 3 Pages 177-
Published: 2014
Released on J-STAGE: August 22, 2019
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Article type: Appendix
2014 Volume 69 Issue 3 Pages 178-182
Published: March 05, 2014
Released on J-STAGE: August 22, 2019
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Article type: Appendix
2014 Volume 69 Issue 3 Pages 183-
Published: March 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese]2014 Volume 69 Issue 3 Pages 183-184
Published: March 05, 2014
Released on J-STAGE: August 22, 2019
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2014 Volume 69 Issue 3 Pages 185-187
Published: March 05, 2014
Released on J-STAGE: August 22, 2019
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Article type: Appendix
2014 Volume 69 Issue 3 Pages 189-190
Published: March 05, 2014
Released on J-STAGE: August 22, 2019
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