Search Results - "Arita, R."

Superconducting Dome in a Gate-Tuned Band Insulator by Ye, J. T., Zhang, Y. J., Akashi, R., Bahramy, M. S., Arita, R., Iwasa, Y.

“…A dome-shaped superconducting region appears in the phase diagrams of many unconventional superconductors. In doped band insulators, however, reaching optimal…”
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Giant magneto-optical responses in magnetic Weyl semimetal Co3Sn2S2 by Okamura, Y., Minami, S., Kato, Y., Fujishiro, Y., Kaneko, Y., Ikeda, J., Muramoto, J., Kaneko, R., Ueda, K., Kocsis, V., Kanazawa, N., Taguchi, Y., Koretsune, T., Fujiwara, K., Tsukazaki, A., Arita, R., Tokura, Y., Takahashi, Y.

“…The Weyl semimetal (WSM), which hosts pairs of Weyl points and accompanying Berry curvature in momentum space near Fermi level, is expected to exhibit novel…”
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Topological transitions among skyrmion- and hedgehog-lattice states in cubic chiral magnets by Fujishiro, Y., Kanazawa, N., Nakajima, T., Yu, X. Z., Ohishi, K., Kawamura, Y., Kakurai, K., Arima, T., Mitamura, H., Miyake, A., Akiba, K., Tokunaga, M., Matsuo, A., Kindo, K., Koretsune, T., Arita, R., Tokura, Y.

“…Manipulating topological spin textures is a key for exploring unprecedented emergent electromagnetic phenomena. Whereas switching control of magnetic…”
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Strong-correlation induced high-mobility electrons in Dirac semimetal of perovskite oxide by Fujioka, J., Yamada, R., Kawamura, M., Sakai, S., Hirayama, M., Arita, R., Okawa, T., Hashizume, D., Hoshino, M., Tokura, Y.

“…Electrons in conventional metals become less mobile under the influence of electron correlation. Contrary to this empirical knowledge, we report here that…”
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Emergence of non-centrosymmetric topological insulating phase in BiTeI under pressure by Bahramy, M.S., Yang, B.-J., Arita, R., Nagaosa, N.

“…The spin–orbit interaction affects the electronic structure of solids in various ways. Topological insulators are one example in which the spin–orbit…”
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Spontaneous topological Hall effect induced by non-coplanar antiferromagnetic order in intercalated van der Waals materials by Takagi, H., Takagi, R., Minami, S., Nomoto, T., Ohishi, K., Suzuki, M.-T., Yanagi, Y., Hirayama, M., Khanh, N. D., Karube, K., Saito, H., Hashizume, D., Kiyanagi, R., Tokura, Y., Arita, R., Nakajima, T., Seki, S.

“…In ferromagnets, an electric current generally induces a transverse Hall voltage in proportion to the internal magnetization. This effect is frequently used…”
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Evidence for magnetic Weyl fermions in a correlated metal by Kuroda, K., Tomita, T., Suzuki, M.-T., Bareille, C., Nugroho, A. A., Goswami, P., Ochi, M., Ikhlas, M., Nakayama, M., Akebi, S., Noguchi, R., Ishii, R., Inami, N., Ono, K., Kumigashira, H., Varykhalov, A., Muro, T., Koretsune, T., Arita, R., Shin, S., Kondo, Takeshi, Nakatsuji, S.

“…Experimental evidence for the realization of magnetic Weyl fermions in the strongly correlated metal Mn 3 Sn is reported. Weyl fermions 1 , 2 , 3 have been…”
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Valley-dependent spin polarization in bulk MoS2 with broken inversion symmetry by Suzuki, R., Sakano, M., Zhang, Y. J., Akashi, R., Morikawa, D., Harasawa, A., Yaji, K., Kuroda, K., Miyamoto, K., Okuda, T., Ishizaka, K., Arita, R., Iwasa, Y.

“…The valley degree of freedom of electrons is attracting growing interest as a carrier of information in various materials, including graphene, diamond and…”
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Ab initio studies on the interplay between spin-orbit interaction and Coulomb correlation in Sr2IrO4 and Ba2IrO4 by Arita, R, Kuneš, J, Kozhevnikov, A V, Eguiluz, A G, Imada, M

“…Ab initio analyses of A(2)IrO(4) (A=Sr,Ba) are presented. Effective Hubbard-type models for Ir 5d t(2g) manifolds downfolded from the global band structure are…”
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A weak topological insulator state in quasi-one-dimensional bismuth iodide by Noguchi, Ryo, Takahashi, T., Kuroda, K., Ochi, M., Shirasawa, T., Sakano, M., Bareille, C., Nakayama, M., Watson, M. D., Yaji, K., Harasawa, A., Iwasawa, H., Dudin, P., Kim, T. K., Hoesch, M., Kandyba, V., Giampietri, A., Barinov, A., Shin, S., Arita, R., Sasagawa, T., Kondo, Takeshi

“…The major breakthroughs in understanding of topological materials over the past decade were all triggered by the discovery of the Z 2 -type topological…”
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Strongly spin-orbit coupled two-dimensional electron gas emerging near the surface of polar semiconductors by Sakano, M, Bahramy, M S, Katayama, A, Shimojima, T, Murakawa, H, Kaneko, Y, Malaeb, W, Shin, S, Ono, K, Kumigashira, H, Arita, R, Nagaosa, N, Hwang, H Y, Tokura, Y, Ishizaka, K

“…We investigate the two-dimensional highly spin-polarized electron accumulation layers commonly appearing near the surface of n-type polar semiconductors BiTeX…”
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Experimental Determination of the Topological Phase Diagram in Cerium Monopnictides by Kuroda, Kenta, Ochi, M, Suzuki, H S, Hirayama, M, Nakayama, M, Noguchi, R, Bareille, C, Akebi, S, Kunisada, S, Muro, T, Watson, M D, Kitazawa, H, Haga, Y, Kim, T K, Hoesch, M, Shin, S, Arita, R, Kondo, Takeshi

“…Experimental determinations of bulk band topology in the solid states have been so far restricted to only indirect investigation through the probing of surface…”
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Dichotomy between large local and small ordered magnetic moments in iron-based superconductors by Hansmann, P, Arita, R, Toschi, A, Sakai, S, Sangiovanni, G, Held, K

“…We study a four-band model for iron-based superconductors within the local density approximation combined with dynamical mean-field theory (LDA+DMFT). This…”
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Topological Kagome Magnet Co3Sn2S2 Thin Flakes with High Electron Mobility and Large Anomalous Hall Effect by Tanaka, M, Fujishiro, Y, Mogi, M, Kaneko, Y, Yokosawa, T, Kanazawa, N, Minami, S, Koretsune, T, Arita, R, Tarucha, S, Yamamoto, M, Tokura, Y

“…Magnetic Weyl semimetals attract considerable interest not only for their topological quantum phenomena but also as an emerging materials class for realizing…”
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Octet-Line Node Structure of Superconducting Order Parameter in KFe2As2 by Okazaki, K., Ota, Y., Kotani, Y., Malaeb, W., Ishida, Y., Shimojima, T., Kiss, T., Watanabe, S., Chen, C.-T., Kihou, K., Lee, C. H., Iyo, A., Eisaki, H., Saito, T., Fukazawa, H., Kohori, Y., Hashimoto, K., Shibauchi, T., Matsuda, Y., Ikeda, H., Miyahara, H., Arita, R., Chainani, A., Shin, S.

“…In iron-pnictide superconductivity, the interband interaction between the hole and electron Fermi surfaces (FSs) is believed to play an important role…”
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Magneto-optical spectroscopy on Weyl nodes for anomalous and topological Hall effects in chiral MnGe by Hayashi, Y., Okamura, Y., Kanazawa, N., Yu, T., Koretsune, T., Arita, R., Tsukazaki, A., Ichikawa, M., Kawasaki, M., Tokura, Y., Takahashi, Y.

“…Physics of Weyl electrons has been attracting considerable interests and further accelerated by recent discoveries of giant anomalous Hall effect (AHE) and…”
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Devil's staircase transition of the electronic structures in CeSb by Kuroda, Kenta, Arai, Y., Rezaei, N., Kunisada, S., Sakuragi, S., Alaei, M., Kinoshita, Y., Bareille, C., Noguchi, R., Nakayama, M., Akebi, S., Sakano, M., Kawaguchi, K., Arita, M., Ideta, S., Tanaka, K., Kitazawa, H., Okazaki, K., Tokunaga, M., Haga, Y., Shin, S., Suzuki, H. S., Arita, R., Kondo, Takeshi

“…Solids with competing interactions often undergo complex phase transitions with a variety of long-periodic modulations. Among such transition, devil’s…”
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Giant Rashba-type spin splitting in bulk BiTeI by Ishizaka, K., Bahramy, M. S., Murakawa, H., Sakano, M., Shimojima, T., Sonobe, T., Koizumi, K., Shin, S., Miyahara, H., Kimura, A., Miyamoto, K., Okuda, T., Namatame, H., Taniguchi, M., Arita, R., Nagaosa, N., Kobayashi, K., Murakami, Y., Kumai, R., Kaneko, Y., Onose, Y., Tokura, Y.

“…There has been increasing interest in phenomena emerging from relativistic electrons in a solid, which have a potential impact on spintronics and…”
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Quantum dynamical screening of the local magnetic moment in Fe-based superconductors by Toschi, A., Arita, R., Hansmann, P., Sangiovanni, G., Held, K.

“…We have calculated the local magnetic susceptibility of one of the prototypical Fe-based superconductors (LaFeAsO) by means of the local density…”
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Large magneto-thermopower in MnGe with topological spin texture by Fujishiro, Y., Kanazawa, N., Shimojima, T., Nakamura, A., Ishizaka, K., Koretsune, T., Arita, R., Miyake, A., Mitamura, H., Akiba, K., Tokunaga, M., Shiogai, J., Kimura, S., Awaji, S., Tsukazaki, A., Kikkawa, A., Taguchi, Y., Tokura, Y.

“…Quantum states characterized by nontrivial topology produce interesting electrodynamics and versatile electronic functionalities. One source for such…”
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