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70,164 results on '"Miwa A"'

201. Magnetic anisotropy energies and metal-insulator transitions in monolayers of $\alpha$-RuCl$_3$ and OsCl$_3$ on graphene

Author

Souza, P. H., Deus, D. P. de Andrade, Brito, W. H., and Miwa, R. H.

Subjects
Condensed Matter - Materials Science
Abstract

Transition metal thriclorides, with $4d$ or $5d$ electrons, are materials at the forefront of recent studies about the interplay of spin-orbit coupling and strong Coulomb interactions. Within our first-principles calculations (DFT+$U$+SOC) we study the effects of graphene on the electronic and magnetic properties of the monolayers of $\alpha$-RuCl$_3$ and OsCl$_3$. Despite the spatially inhomogeneous $n$-type doping induced by graphene, we show that the occupancy of the upper Hubbard bands of MLs of \rucl and OsCl$_3$ can be tuned through external electric fields, and allows the control of (i) metal-insulator transitions, and (ii) the magnetic easy-axis and anisotropy energies. Our findings point towards the tunning of electronic and magnetic properties of transition metal thriclorides monolayers by using graphene and external electronic fields., Comment: 10 pages and 8 figures

Published
2022
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208. Extensive ablation for persistent atrial fibrillation patients with mitral regurgitation: Insights from the EARNEST-PVI prospective randomized trial

Author

Sunaga, Akihiro, Matsuoka, Yuki, Nakatani, Daisaku, Okada, Katsuki, Kida, Hirota, Sakamoto, Daisuke, Kitamura, Tetsuhisa, Tanaka, Nobuaki, Masuda, Masaharu, Watanabe, Tetsuya, Minamiguchi, Hitoshi, Egami, Yasuyuki, Oka, Takafumi, Miyoshi, Miwa, Okada, Masato, Matsuda, Yasuhiro, Kawasaki, Masato, Inoue, Koichi, Hikoso, Shungo, Sotomi, Yohei, and Sakata, Yasushi

Published
2024
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212. Suppressed basal mitophagy drives cellular aging phenotypes that can be reversed by a p62-targeting small molecule

Author

Kelly, George, Kataura, Tetsushi, Panek, Johan, Ma, Gailing, Salmonowicz, Hanna, Davis, Ashley, Kendall, Hannah, Brookes, Charlotte, Ayine-Tora, Daniel Moscoh, Banks, Peter, Nelson, Glyn, Dobby, Laura, Pitrez, Patricia R., Booth, Laura, Costello, Lydia, Richardson, Gavin D., Lovat, Penny, Przyborski, Stefan, Ferreira, Lino, Greaves, Laura, Szczepanowska, Karolina, von Zglinicki, Thomas, Miwa, Satomi, Brown, Max, Flagler, Michael, Oblong, John E., Bascom, Charles C., Carroll, Bernadette, Reynisson, Jóhannes, and Korolchuk, Viktor I.

Published
2024
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217. Phenotypic and genetic spectra of galactose mutarotase deficiency: A nationwide survey conducted in Japan

Author

Mikami-Saito, Yasuko, Wada, Yoichi, Arai-Ichinoi, Natsuko, Nakajima, Yoko, Suzuki-Ajihara, Sayaka, Murayama, Kei, Tanaka, Toju, Numakura, Chikahiko, Hamazaki, Takashi, Igarashi, Noboru, Esaki, Hiroyuki, Kagawa, Reiko, Kono, Tomotaka, Sawada, Takaaki, Sawada, Tomo, Nyuzuki, Hiromi, Hirai, Hiroki, Fumoto, Seiko, Matsuda, Junko, Matsunaga, Ayako, Maruyama, Shinsuke, Yamaguchi, Kenichiro, Yoshino, Miwa, Totsune, Eriko, Kikuchi, Atsuo, Ohura, Toshihiro, and Kure, Shigeo

Published
2024
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228. Pulmonary Embolism after Arthroscopic Rotator Cuff Repair: A Case Report

Author

Tadashi Yamamoto, Kazuya Tamai, Miwa Akutsu, Kazuo Tomizawa, Takuya Sukegawa, and Yutaka Nohara

Subjects
Orthopedic surgery, RD701-811
Abstract

Total hip/knee arthroplasty may cause venous thromboembolism (VTE) as a postoperative complication. However, there are few reports on VTE after arthroscopic shoulder surgery. We report a patient who developed pulmonary embolism (PE) 6 days after arthroscopic rotator cuff repair but recovered without sequelae. In this case, the possibility of DVT of the lower limbs was denied by contrast-enhanced CT. Most possibly, the source of PE was deep vein thrombosis (DVT) of the upper limb under Desault fixation which showed arthroscopic surgery-related swelling postoperatively.

Published
2013
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241. Current-in-plane magnetoresistance in chiral-molecule/ferromagnetic metal bilayer due to thermally induced spin polarization

Author

Kondou, Kouta, Shiga, Masanobu, Sakamoto, Shoya, Inuzuka, Hiroyuki, Nihonyanagi, Atsuko, Araoka, Fumito, Kobayashi, Masaki, Miwa, Shinji, Miyajima, Daigo, and Otani, YoshiChika

Subjects
Condensed Matter - Materials Science, Condensed Matter - Mesoscale and Nanoscale Physics
Abstract

We report chirality-induced current-in-plane magnetoresistance (CIP-MR) in chiral molecule/ferromagnetic metal bilayer at room temperature. The previously reported chiralityinduced current-perpendicular-to-plane magnetoresistance (CPP-MR) originates from the chiral induced spin-selectivity (CISS) effect that needs charge-current passing through the molecule. In contrast, the observed CIP-MR in the present study requires no bias charge current through the molecule. The temperature dependence of CIP-MR suggests thermally induced spin-polarization in the chiral molecules is the key for the observed MR., Comment: 11 pages, 4 figures

Published
2021

242. Precise measurement of differential cross sections of the {\Sigma}-p --> {\Lambda} n reaction in momentum range 470-650 MeV/c

Author

Collaboration, J-PARC E40, Miwa, K., Ahn, J. K., Akazawa, Y., Aramaki, T., Ashikaga, S., Callier, S., Chiga, N., Choi, S. W., Ekawa, H., Evtoukhovitch, P., Fujioka, N., Fujita, M., Gogami, T., Harada, T., Hasegawa, S., Hayakawa, S. H., Honda, R., Hoshino, S., Hosomi, K., Ichikawa, M., Ichikawa, Y., Ieiri, M., Ikeda, M., Imai, K., Ishikawa, Y., Ishimoto, S., Jung, W. S., Kajikawa, S., Kanauchi, H., Kanda, H., Kitaoka, T., Kang, B. M., Kawai, H., Kim, S. H., Kobayashi, K., Koike, T., Matsuda, K., Matsumoto, Y., Nagao, S., Nagatomi, R., Nakada, Y., Nakagawa, M., Nakamura, I., Nanamura, T., Naruki, M., Ozawa, S., Raux, L., Rogers, T. G., Sakaguchi, A., Sakao, T., Sako, H., Sato, S., Shiozaki, T., Shirotori, K., Suzuki, K. N., Suzuki, S., Tabata, M., Taille, C. d. L., Takahashi, H., Takahashi, T., Takahashi, T. N., Tamura, H., Tanaka, M., Tanida, K., Tsamalaidze, Z., Ukai, M., Umetsu, H., Wada, S., Yamamoto, T. O., Yoshida, J., and Yoshimura, K.

Subjects
Nuclear Experiment, Nuclear Theory
Abstract

The differential cross sections of the {\Sigma}-p --> {\Lambda} n reaction were measured accurately for the {\Sigma}- momentum (p_{{\Sigma}}) ranging from 470 to 650 MeV/c at the J-PARC Hadron Experimental Facility. Precise angular information about the {\Sigma}-p --> {\Lambda} n reaction was obtained for the first time by detecting approximately 100 reaction events at each angular step of {\Delta}cos{\theta} = 0.1. The obtained differential cross sections show slightly forward-peaking structure in the measured momentum regions.The cross sections integrated for -0.7 < cos{\theta} < 1.0 were obtained as 22.5 +- 0.68 (stat.) +- 0.65 (syst.) mb and 15.8 +-0.83(stat.) +- 0.52 (syst.) mb for 470

Published
2021

243. Electronic properties of the Weyl semimetals Co$_2$MnX (X=Si, Ge, Sn)

Author

Sharan, Abhishek, de Lima, Felipe Crasto, Khalid, Shoaib, Miwa, Roberto H., and Janotti, Anderson

Subjects
Condensed Matter - Materials Science, Physics - Computational Physics
Abstract

Using first-principles electronic structure calculations, we show that ferromagnetic Heusler compounds Co$_2$MnX (X= Si, Ge, Sn) present non-trivial topological characteristics and belong to the category of Weyl semimetals. These materials exhibit two topologically interesting band crossings near the Fermi level. These band crossings have complex 3D geometries in the Brillouin zone and are characterized by non-trivial topology as Hopf links and chain-like nodal lines, that are protected by the perpendicular mirror planes. The spin-orbit interaction split these nodal lines into several zero-dimensional Weyl band crossings. Unlike previously known topologically non-trivial Heusler materials, these majority-spin band crossings lie in the band gap of minority spin bands, potentially facilitating its experimental realization.

Published
2021

244. Observation of spontaneous x-ray magnetic circular dichroism in a chiral antiferromagnet

Author

Sakamoto, Shoya, Higo, Tomoya, Shiga, Masanobu, Amemiya, Kenta, Nakatsuji, Satoru, and Miwa, Shinji

Subjects
Condensed Matter - Materials Science
Abstract

X-ray magnetic circular dichroism (XMCD) signals are usually absent in antiferromagnets. In this letter, we report the observation of spontaneous XMCD spectra originating from the inverse triangular spin structure, or the polarization of the cluster magnetic octupole, in the chiral antiferromagnet Mn$_{3}$Sn thin film. The result is consistent with the recent theoretical predictions that the inverse triangular spin structure can give rise to finite XMCD signals in the absence of net magnetization [J. Phys. Soc. Jpn. 89, 083703 (2020) and Phys. Rev. Lett. 126, 157402 (2021)].

Published
2021
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245. Extension of the J-PARC Hadron Experimental Facility: Third White Paper

Author

Aoki, Kazuya, Fujioka, Hiroyuki, Gogami, Toshiyuki, Hidaka, Yoshimasa, Hiyama, Emiko, Honda, Ryotaro, Hosaka, Atsushi, Ichikawa, Yudai, Ieiri, Masaharu, Isaka, Masahiro, Ishii, Noriyoshi, Ishikawa, Takatsugu, Komatsu, Yusuke, Komatsubara, Takeshi, Lim, GeiYoub, Miwa, Koji, Morino, Yuhei, Nagae, Tomofumi, Nagao, Sho, Nakamura, Satoshi N., Nanjo, Hajime, Naruki, Megumi, Nemura, Hidekatsu, Nomura, Tadashi, Noumi, Hiroyuki, Ohnishi, Hiroaki, Ozawa, Kyoichiro, Sakuma, Fuminori, Sawada, Shinya, Sekihara, Takayasu, Shim, Sang-In, Shiomi, Koji, Shirotori, Kotaro, Tajima, Yasuhisa, Takahashi, Hitoshi, Takahashi, Toshiyuki, Takeuchi, Sachiko, Takizawa, Makoto, Tamura, Hirokazu, Tanida, Kiyoshi, Ukai, Mifuyu, Yamamoto, Takeshi O., and Yamamoto, Yasuo

Subjects
Nuclear Experiment, High Energy Physics - Experiment, Nuclear Theory, Physics - Instrumentation and Detectors
Abstract

The J-PARC Hadron Experimental Facility was constructed with an aim to explore the origin and evolution of matter in the universe through the experiments with intense particle beams. In the past decade, many results on particle and nuclear physics have been obtained at the present facility. To expand the physics programs to unexplored regions never achieved, the extension project of the Hadron Experimental Facility has been extensively discussed. This white paper presents the physics of the extension of the Hadron Experimental Facility for resolving the issues in the fields of the strangeness nuclear physics, hadron physics, and flavor physics., Comment: 261 pages, 186 figures

Published
2021

246. Thrombolysis for Wake-Up Stroke Versus Non–Wake-Up Unwitnessed Stroke: EOS Individual Patient Data Meta-Analysis

Author

Kamogawa, Naruhiko, Miwa, Kaori, Toyoda, Kazunori, Jensen, Märit, Inoue, Manabu, Yoshimura, Sohei, Fukuda-Doi, Mayumi, Kitazono, Takanari, Boutitie, Florent, Ma, Henry, Ringleb, Peter, Wu, Ona, Schwamm, Lee H., Warach, Steven, Hacke, Werner, Davis, Stephen M., Donnan, Geoffrey A., Gerloff, Christian, Thomalla, Götz, Koga, Masatoshi, Cheng, Bastian, Bendszus, Martin, Bladin, Christopher, Churilov, Leonid, Campbell, Brunce, Parsons, Mark, Yassi, Nawaf, Ebinger, Martin, Endres, Matthias, Fiebach, Jochen B., Kleinig, Timothy, Latour, Lawrence, Lemmens, Robin, Levi, Christopher, Leys, Didier, Molina, Carlos, Muir, Keith, Nighoghossian, Norbert, Pedraza, Salvador, Schellinger, Peter D., Schwab, Stefan, Simonsen, Claus Z., Song, Shlee S., Thijs, Vincent, Toni, Danilo, Hsu, Chung Y., and Wahlgren, Nils

Published
2024
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