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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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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Exotic pairing state in quasicrystalline superconductors under a magnetic field by Sakai, Shiro, Arita, Ryotaro

“…We theoretically study the effect of a magnetic field on quasicrystalline superconductors, by modeling them as an attractive Hubbard model on a Penrose-tiling…”
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Efficient method to calculate the electron–phonon coupling constant and superconducting transition temperature by Koretsune, Takashi, Arita, Ryotaro

“…We show an efficient way to compute the electron–phonon coupling constant, λ, and the superconducting transition temperature, Tc from first-principles…”
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Quantum phase transition between hyperuniform density distributions by Sakai, Shiro, Arita, Ryotaro, Ohtsuki, Tomi

“…We study an electron distribution under a quasiperiodic potential in light of hyperuniformity, aiming to establish a classification and analysis method for…”
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Cluster multipole dynamics in noncollinear antiferromagnets by Nomoto, Takuya, Arita, Ryotaro

“…A systematic framework to investigate the spin dynamics in a noncollinear antiferromagnet is proposed. Taking Mn_{3}Sn as a representative example, we derive…”
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Density Functional Theory for Plasmon-Assisted Superconductivity by Akashi, Ryosuke, Arita, Ryotaro

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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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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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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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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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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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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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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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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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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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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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