Search Results - "Ryotaro Arita"

Topological Magnets: Functions Based on Berry Phase and Multipoles by Nakatsuji, Satoru, Arita, Ryotaro

“…Macroscopic responses of magnets are often governed by magnetization and, thus, have been restricted to ferromagnets. However, such responses are strikingly…”
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Dzyaloshinskii-Moriya Interaction as a Consequence of a Doppler Shift due to Spin-Orbit-Induced Intrinsic Spin Current by Kikuchi, Toru, Koretsune, Takashi, Arita, Ryotaro, Tatara, Gen

“…We present a physical picture for the emergence of the Dzyaloshinskii-Moriya (DM) interaction based on the idea of the Doppler shift by an intrinsic spin…”
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A perspective on conventional high-temperature superconductors at high pressure: Methods and materials by Flores-Livas, José A., Boeri, Lilia, Sanna, Antonio, Profeta, Gianni, Arita, Ryotaro, Eremets, Mikhail

“…Two hydrogen-rich materials, H3S and LaH10, synthesized at megabar pressures, have revolutionized the field of condensed matter physics providing the first…”
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Nickelate superconductors—a renaissance of the one-band Hubbard model by Kitatani, Motoharu, Si, Liang, Janson, Oleg, Arita, Ryotaro, Zhong, Zhicheng, Held, Karsten

“…The recently discovered nickelate superconductors appear, at first glance, to be even more complicated multi-orbital systems than cuprates. To identify the…”
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Imaging the coupling between itinerant electrons and localised moments in the centrosymmetric skyrmion magnet GdRu2Si2 by Yasui, Yuuki, Butler, Christopher J., Khanh, Nguyen Duy, Hayami, Satoru, Nomoto, Takuya, Hanaguri, Tetsuo, Motome, Yukitoshi, Arita, Ryotaro, Arima, Taka-hisa, Tokura, Yoshinori, Seki, Shinichiro

“…Magnetic skyrmions were thought to be stabilised only in inversion-symmetry breaking structures, but skyrmion lattices were recently discovered in inversion…”
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Large anomalous Nernst effect at room temperature in a chiral antiferromagnet by Ikhlas, Muhammad, Tomita, Takahiro, Koretsune, Takashi, Suzuki, Michi-To, Nishio-Hamane, Daisuke, Arita, Ryotaro, Otani, Yoshichika, Nakatsuji, Satoru

“…The anomalous Nernst effect is usually associated with ferromagnets — enabling a temperature gradient to generate a transverse electric field — but the Berry…”
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Finite phenine nanotubes with periodic vacancy defects by Sun, Zhe, Ikemoto, Koki, Fukunaga, Toshiya M, Koretsune, Takashi, Arita, Ryotaro, Sato, Sota, Isobe, Hiroyuki

“…Discrete graphitic carbon compounds serve as tunable models for the properties of extended macromolecular structures such as nanotubes. Here, we report…”
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Anomalous transport due to Weyl fermions in the chiral antiferromagnets Mn3X, X = Sn, Ge by Chen, Taishi, Tomita, Takahiro, Minami, Susumu, Fu, Mingxuan, Koretsune, Takashi, Kitatani, Motoharu, Muhammad, Ikhlas, Nishio-Hamane, Daisuke, Ishii, Rieko, Ishii, Fumiyuki, Arita, Ryotaro, Nakatsuji, Satoru

“…The recent discoveries of strikingly large zero-field Hall and Nernst effects in antiferromagnets Mn 3 X ( X  = Sn, Ge) have brought the study of magnetic…”
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Evidence for a higher-order topological insulator in a three-dimensional material built from van der Waals stacking of bismuth-halide chains by Noguchi, Ryo, Kobayashi, Masaru, Jiang, Zhanzhi, Kuroda, Kenta, Takahashi, Takanari, Xu, Zifan, Lee, Daehun, Hirayama, Motoaki, Ochi, Masayuki, Shirasawa, Tetsuroh, Zhang, Peng, Lin, Chun, Bareille, Cédric, Sakuragi, Shunsuke, Tanaka, Hiroaki, Kunisada, So, Kurokawa, Kifu, Yaji, Koichiro, Harasawa, Ayumi, Kandyba, Viktor, Giampietri, Alessio, Barinov, Alexei, Kim, Timur K., Cacho, Cephise, Hashimoto, Makoto, Lu, Donghui, Shin, Shik, Arita, Ryotaro, Lai, Keji, Sasagawa, Takao, Kondo, Takeshi

“…Low-dimensional van der Waals materials have been extensively studied as a platform with which to generate quantum effects. Advancing this research,…”
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Gate-controlled BCS-BEC crossover in a two-dimensional superconductor by Nakagawa, Yuji, Kasahara, Yuichi, Nomoto, Takuya, Arita, Ryotaro, Nojima, Tsutomu, Iwasa, Yoshihiro

“…Bardeen-Cooper-Schrieffer (BCS) superfluidity and Bose-Einstein condensation (BEC) are the two extreme limits of the ground state of the paired fermion…”
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Quantum crystal structure in the 250-kelvin superconducting lanthanum hydride by Errea, Ion, Belli, Francesco, Monacelli, Lorenzo, Sanna, Antonio, Koretsune, Takashi, Tadano, Terumasa, Bianco, Raffaello, Calandra, Matteo, Arita, Ryotaro, Mauri, Francesco, Flores-Livas, José A.

“…The discovery of superconductivity at 200 kelvin in the hydrogen sulfide system at high pressures 1 demonstrated the potential of hydrogen-rich materials as…”
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Giant anomalous Nernst effect and quantum-critical scaling in a ferromagnetic semimetal by Sakai, Akito, Mizuta, Yo Pierre, Nugroho, Agustinus Agung, Sihombing, Rombang, Koretsune, Takashi, Suzuki, Michi-To, Takemori, Nayuta, Ishii, Rieko, Nishio-Hamane, Daisuke, Arita, Ryotaro, Goswami, Pallab, Nakatsuji, Satoru

“…In conducting ferromagnets, an anomalous Nernst effect—the generation of an electric voltage perpendicular to both the magnetization and an applied temperature…”
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Visualization of the strain-induced topological phase transition in a quasi-one-dimensional superconductor TaSe3 by Lin, Chun, Ochi, Masayuki, Noguchi, Ryo, Kuroda, Kenta, Sakoda, Masahito, Nomura, Atsushi, Tsubota, Masakatsu, Zhang, Peng, Bareille, Cedric, Kurokawa, Kifu, Arai, Yosuke, Kawaguchi, Kaishu, Tanaka, Hiroaki, Yaji, Koichiro, Harasawa, Ayumi, Hashimoto, Makoto, Lu, Donghui, Shin, Shik, Arita, Ryotaro, Tanda, Satoshi, Kondo, Takeshi

“…Control of the phase transition from topological to normal insulators can allow for an on/off switching of spin current. While topological phase transitions…”
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Electrical manipulation of a topological antiferromagnetic state by Tsai, Hanshen, Higo, Tomoya, Kondou, Kouta, Nomoto, Takuya, Sakai, Akito, Kobayashi, Ayuko, Nakano, Takafumi, Yakushiji, Kay, Arita, Ryotaro, Miwa, Shinji, Otani, Yoshichika, Nakatsuji, Satoru

“…Electrical manipulation of phenomena generated by nontrivial band topology is essential for the development of next-generation technology using topological…”
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Development of density-functional theory for a plasmon-assisted superconducting state: application to lithium under high pressures by Akashi, Ryosuke, Arita, Ryotaro

“…We extend the density-functional theory for superconductors (SCDFT) to take account of the dynamical structure of the screened Coulomb interaction. We…”
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Iron-based binary ferromagnets for transverse thermoelectric conversion by Sakai, Akito, Minami, Susumu, Koretsune, Takashi, Chen, Taishi, Higo, Tomoya, Wang, Yangming, Nomoto, Takuya, Hirayama, Motoaki, Miwa, Shinji, Nishio-Hamane, Daisuke, Ishii, Fumiyuki, Arita, Ryotaro, Nakatsuji, Satoru

“…Thermoelectric generation using the anomalous Nernst effect (ANE) has great potential for application in energy harvesting technology because the transverse…”
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Anomalous transport due to Weyl fermions in the chiral antiferromagnets Mn3 X, X = Sn, Ge by Taishi Chen, Takahiro Tomita, Susumu Minami, Mingxuan Fu, Takashi Koretsune, Motoharu Kitatani, Ikhlas Muhammad, Daisuke Nishio-Hamane, Rieko Ishii, Fumiyuki Ishii, Ryotaro Arita, Satoru Nakatsuji

“…The large anomalous Hall (AHE) and anomalous Nernst effects (ANE) in antiferromagnets Mn3Sn/Mn3Ge are considered fingerprints of Weyl nodes residing near the…”
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Gate-Tuned Thermoelectric Power in Black Phosphorus by Saito, Yu, Iizuka, Takahiko, Koretsune, Takashi, Arita, Ryotaro, Shimizu, Sunao, Iwasa, Yoshihiro

“…The electric field effect is a useful means of elucidating intrinsic material properties as well as for designing functional devices. The electric-double-layer…”
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Giant thermoelectric power factor in ultrathin FeSe superconductor by Shimizu, Sunao, Shiogai, Junichi, Takemori, Nayuta, Sakai, Shiro, Ikeda, Hiroaki, Arita, Ryotaro, Nojima, Tsutomu, Tsukazaki, Atsushi, Iwasa, Yoshihiro

“…The thermoelectric effect is attracting a renewed interest as a concept for energy harvesting technologies. Nanomaterials have been considered a key to realize…”
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Fermi Surface Expansion above Critical Temperature in a Hund Ferromagnet by Nomura, Yusuke, Sakai, Shiro, Arita, Ryotaro

“…Using a cluster extension of the dynamical mean-field theory, we show that strongly correlated metals subject to Hund's physics exhibit significant electronic…”
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