Propagating spin excitations along skyrmion strings

Autor: Seki, S., Garst, M., Waizner, J., Takagi, R., Okamura, Y., Kondou, K., Kagawa, F., Otani, Y., Tokura, Y.

Publikováno v: Nature Communications 11, 256 (2020)

Magnetic skyrmions, topological solitons characterized by a two-dimensional swirling spin texture, have recently attracted attention as stable particle-like objects. In a three-dimensional system, a skyrmion can extend in the third dimension forming

Externí odkaz: http://arxiv.org/abs/1902.10302

Phase Boundary Exchange Coupling in the Mixed Magnetic Phase Regime of a Pd-doped FeRh Epilayer

Autor: Massey, J. R., Matsumoto, K., Strungaru, M., Temple, R. C., Higo, T., Kondou, K., Evans, R. F. L., Burnell, G., Chantrell, R. W., Otani, Y., Marrows, C. H.

Publikováno v: Phys. Rev. Materials 4, 024403 (2020)

Spin-wave resonance measurements were performed in the mixed magnetic phase regime of a Pd-doped FeRh epilayer that appears as the first-order ferromagnetic-antiferromagnetic phase transition takes place. It is seen that the measured value of the exc

Externí odkaz: http://arxiv.org/abs/1807.01615

Fermi level dependent charge-to-spin current conversion by Dirac surface state of topological insulators

Autor: Kondou, K., Yoshimi, R., Tsukazaki, A., Fukuma, Y., Matsuno, J., Takahashi, K. S., Kawasaki, M., Tokura, Y., Otani, Y.

Publikováno v: Nature Physics,12,11,1027-1031 (2016)

The spin-momentum locking at the Dirac surface state of a topological insulator (TI) offers a distinct possibility of a highly efficient charge-to-spin current (C-S) conversion compared with spin Hall effects in conventional paramagnetic metals. For

Externí odkaz: http://arxiv.org/abs/1510.03572

Spatial Distributions of A3558 in the Core Region of the Shapley Supercluster

Autor: Akimoto, F., Kondou, K., Furuzawa, A., Tawara, Y., Yamashita, K.

Publikováno v: Astrophys.J. 596 (2003) 170-180

The core region is dominated by three rich Abell clusters and two poor clusters. Their spatial distributions of gas temperature and metal abundance provide us with information on the interactions and motions of member clusters. From eight ASCA pointi

Externí odkaz: http://arxiv.org/abs/astro-ph/0310802

Current-driven fast magnetic octupole domain-wall motion in noncollinear antiferromagnets.

Autor: Wu M; The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, 277-8581, Japan.; Center for Emergent Matter Science, RIKEN, 2-1 Hirosawa, Wako, 351-0198, Japan., Chen T; The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, 277-8581, Japan.; Key Laboratory of Quantum Materials and Devices of Ministry of Education, School of Physics, Southeast University, Nanjing, 211189, China.; Department of Physics, University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan., Nomoto T; Research Center for Advanced Science and Technology, University of Tokyo, 4-6-1 Meguro-ku, Tokyo, 153-8904, Japan., Tserkovnyak Y; Department of Physics and Astronomy and Bhaumik Institute for Theoretical Physics, University of California, Los Angeles, Los Angeles, CA, 90095, USA., Isshiki H; The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, 277-8581, Japan.; CREST, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan., Nakatani Y; Department of Computer Science, University of Electro-Communications, 1-5-1 Chofugaoka, Chofu-Shi, Tokyo, 182-8585, Japan., Higo T; The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, 277-8581, Japan.; Department of Physics, University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.; CREST, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan., Tomita T; The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, 277-8581, Japan.; Department of Physics, University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.; CREST, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan., Kondou K; Center for Emergent Matter Science, RIKEN, 2-1 Hirosawa, Wako, 351-0198, Japan.; CREST, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan., Arita R; Center for Emergent Matter Science, RIKEN, 2-1 Hirosawa, Wako, 351-0198, Japan.; Research Center for Advanced Science and Technology, University of Tokyo, 4-6-1 Meguro-ku, Tokyo, 153-8904, Japan.; CREST, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan., Nakatsuji S; The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, 277-8581, Japan.; Department of Physics, University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.; CREST, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan.; Trans-Scale Quantum Science Institute, University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan., Otani Y; The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, 277-8581, Japan. yotani@issp.u-tokyo.ac.jp.; Center for Emergent Matter Science, RIKEN, 2-1 Hirosawa, Wako, 351-0198, Japan. yotani@issp.u-tokyo.ac.jp.; CREST, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan. yotani@issp.u-tokyo.ac.jp.; Trans-Scale Quantum Science Institute, University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan. yotani@issp.u-tokyo.ac.jp.

Publikováno v: Nature communications [Nat Commun] 2024 Jun 11; Vol. 15 (1), pp. 4305. Date of Electronic Publication: 2024 Jun 11.