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Article type: Cover
2011 Volume 66 Issue 6 Pages
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Article type: Index
2011 Volume 66 Issue 6 Pages
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Article type: Index
2011 Volume 66 Issue 6 Pages
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Article type: Appendix
2011 Volume 66 Issue 6 Pages
409-412
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Tohru Motobayashi
Article type: Article
2011 Volume 66 Issue 6 Pages
413-
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Masaru Aniya
Article type: Article
2011 Volume 66 Issue 6 Pages
414-422
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Superionic conductors or solid electrolytes have been studied from the end of 19th century. In recent years, these materials are attracting considerable interest for their applications in Li ion batteries, fuel cells and other devices. However, their fundamental materials properties are not sufficiently understood. The most peculiar property of these materials is that the ions forming the solid can move as in the liquid state. How this phenomenon can occur? What are the factors controlling the appearance of fast ion conduction? In the present report, after reviewing the fundamental aspects of solid electrolytes, the mechanism of superionic conductors is discussed based on the bond fluctuation model proposed by the author. In the last part, applications of superionic conductors and other topics related to the subject is briefly mentioned.
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Kazuyuki Matsubayashi, Takehiko Matsumoto, Yoshiya Uwatoko, Masato Hed ...
Article type: Article
2011 Volume 66 Issue 6 Pages
423-429
Published: June 05, 2011
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High pressure experiment at low temperature is one of the important methods to explore novel phenomena in condensed matter physics. There are large demands from users of high pressure cells to extend maximum pressure, generate hydrostatic pressure and cool to a lower temperature. We report the recent developments of the hybrid-type piston cylinder cell and the compact cubic anvil apparatus "Palm Cubic Anvil Cell". We have also present high pressure experimental results of recent topics on strongly correlated systems.
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Norikazu Tomita, Shuji Watanabe, Takaaki Maruyama
Article type: Article
2011 Volume 66 Issue 6 Pages
430-434
Published: June 05, 2011
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A resonating Hartree-Fock method constructs many-fermion wavefuctions by superposition of non-orthogonal Slater determiants The orbitals of all the Slater determinants as well as thier superposition coefficients are variationally determined. From the structures of the optimized Slater determinants, we can visualize quantum fluctuations and find phyics behind the complicated quantum many-body effects. We briefly review this method and report our recent researches on the two-dimensional Hubbard model.
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Akinori Tanaka, Hal Tasaki
Article type: Article
2011 Volume 66 Issue 6 Pages
434-438
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We present a brief account of our continuing attempt to rigorously derive metallic ferromagnetism in certain versions of the Hubbard model.
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Yuimaru Kubo
Article type: Article
2011 Volume 66 Issue 6 Pages
439-443
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Microscopic quantum systems have long coherence times, whereas macroscopic superconducting qubits (artificial atoms) can be manipulated and entangled very rapidly and with high fidelity. It is thus appealing to combine them to build "hybrid" quantum circuits, in which we can take the best of both worlds. Here we report a first important step towards this goal.
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Tetsuo Yamaguchi, Masatoshi Morishita, Masao Doi
Article type: Article
2011 Volume 66 Issue 6 Pages
443-447
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When soft and sticky materials are slid against a substrate, specific types of sliding behavior are observed. In this study, we conducted sliding friction experiments using a soft and sticky gel-sheet. We found that the system shows regular-irregular transition of the sliding behavior. We also found that the distribution of the size of slip events at small pull velocities obeys a power-law, which is similar to Gutenberg-Richter law for earthquakes.
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Keisuke Suzuki
Article type: Article
2011 Volume 66 Issue 6 Pages
448-450
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Arisato Kawabata
Article type: Article
2011 Volume 66 Issue 6 Pages
451-453
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Takao Koda
Article type: Article
2011 Volume 66 Issue 6 Pages
454-456
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Kikuo Cho
Article type: Article
2011 Volume 66 Issue 6 Pages
456-458
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[in Japanese]
Article type: Article
2011 Volume 66 Issue 6 Pages
458-459
Published: June 05, 2011
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[in Japanese]
Article type: Article
2011 Volume 66 Issue 6 Pages
459-460
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Article type: Appendix
2011 Volume 66 Issue 6 Pages
461-466
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Article type: Appendix
2011 Volume 66 Issue 6 Pages
466-467
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Article type: Appendix
2011 Volume 66 Issue 6 Pages
467-
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Article type: Appendix
2011 Volume 66 Issue 6 Pages
468-
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Article type: Appendix
2011 Volume 66 Issue 6 Pages
469-474
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Article type: Appendix
2011 Volume 66 Issue 6 Pages
476-
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Article type: Appendix
2011 Volume 66 Issue 6 Pages
476-513
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Article type: Appendix
2011 Volume 66 Issue 6 Pages
514-
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