Search Results - "Nagaosa, N"

Transformation between meron and skyrmion topological spin textures in a chiral magnet by Yu, X. Z., Koshibae, W., Tokunaga, Y., Shibata, K., Taguchi, Y., Nagaosa, N., Tokura, Y.

“…Crystal lattices with tetragonal or hexagonal structure often exhibit structural transitions in response to external stimuli 1 . Similar behaviour is…”
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Observation of the Magnon Hall Effect by Onose, Y, Ideue, T, Katsura, H, Shiomi, Y, Nagaosa, N, Tokura, Y

“…The Hall effect usually occurs in conductors when the Lorentz force acts on a charge current in the presence of a perpendicular magnetic field. Neutral…”
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Bulk rectification effect in a polar semiconductor by Ideue, T., Hamamoto, K., Koshikawa, S., Ezawa, M., Shimizu, S., Kaneko, Y., Tokura, Y., Nagaosa, N., Iwasa, Y.

“…Electrical rectification is usually achieved by layering p-type and n-type materials, but experiments now demonstrate rectification in a bulk polar…”
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Emergent phenomena at oxide interfaces by Hwang, H. Y., Iwasa, Y., Kawasaki, M., Keimer, B., Nagaosa, N., Tokura, Y.

“…From magnetism, ferroelectricity and superconductivity to electrical and thermal properties, oxides show a broad range of phenomena of fundamental as well as…”
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Experimental signature of the parity anomaly in a semi-magnetic topological insulator by Mogi, M., Okamura, Y., Kawamura, M., Yoshimi, R., Yasuda, K., Tsukazaki, A., Takahashi, K. S., Morimoto, T., Nagaosa, N., Kawasaki, M., Takahashi, Y., Tokura, Y.

“…A three-dimensional (3D) topological insulator features a 2D surface state consisting of a single linearly dispersive Dirac cone 1 – 3 . Under broken…”
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Thermally driven ratchet motion of a skyrmion microcrystal and topological magnon Hall effect by Mochizuki, M., Yu, X. Z., Seki, S., Kanazawa, N., Koshibae, W., Zang, J., Mostovoy, M., Tokura, Y., Nagaosa, N.

“…Remarkably stable excitations known as skyrmions have recently garnered significant attention in condensed-matter systems. It is now shown that skyrmions in…”
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Geometric Hall effects in topological insulator heterostructures by Yasuda, K., Wakatsuki, R., Morimoto, T., Yoshimi, R., Tsukazaki, A., Takahashi, K. S., Ezawa, M., Kawasaki, M., Nagaosa, N., Tokura, Y.

“…Two intriguing manifestations of Hall physics are reported in a topologically insulating heterostructure: a sign-reversal of the anomalous Hall effect and the…”
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Spectral dynamics of shift current in ferroelectric semiconductor SbSI by Sotome, M., Nakamura, M., Fujioka, J., Ogino, M., Kaneko, Y., Morimoto, T., Zhang, Y., Kawasaki, M., Nagaosa, N., Tokura, Y., Ogawa, N.

“…Photoexcitation in solids brings about transitions of electrons/holes between different electronic bands. If the solid lacks an inversion symmetry, these…”
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Real-space observation of a two-dimensional skyrmion crystal by Yu, X. Z, Tokura, Y, Onose, Y, Kanazawa, N, Park, J. H, Han, J. H, Matsui, Y, Nagaosa, N

“…Crystal order is not restricted to the periodic atomic array, but can also be found in electronic systems such as the Wigner crystal or in the form of orbital…”
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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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Large anisotropic deformation of skyrmions in strained crystal by Shibata, K., Iwasaki, J., Kanazawa, N., Aizawa, S., Tanigaki, T., Shirai, M., Nakajima, T., Kubota, M., Kawasaki, M., Park, H. S., Shindo, D., Nagaosa, N., Tokura, Y.

“…Uniaxial strain as small as 0.3% in FeGe thin films can induce large anisotropic deformation of magnetic skyrmions and their crystal lattice hosted in the…”
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Detection of Berry's Phase in a Bulk Rashba Semiconductor by Murakawa, H., Bahramy, M. S., Tokunaga, M., Kohama, Y., Bell, C., Kaneko, Y., Nagaosa, N., Hwang, H. Y., Tokura, Y.

“…The motion of electrons in a solid has a profound effect on its topological properties and may result in a nonzero Berry's phase, a geometric quantum phase…”
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Rapid change of superconductivity and electron-phonon coupling through critical doping in Bi-2212 by He, Y, Hashimoto, M, Song, D, Chen, S-D, He, J, Vishik, I M, Moritz, B, Lee, D-H, Nagaosa, N, Zaanen, J, Devereaux, T P, Yoshida, Y, Eisaki, H, Lu, D H, Shen, Z-X

“…Electron-boson coupling plays a key role in superconductivity for many systems. However, in copper-based high-critical temperature ( ) superconductors, its…”
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Critical phenomena of emergent magnetic monopoles in a chiral magnet by Kanazawa, N., Nii, Y., Zhang, X. -X., Mishchenko, A. S., De Filippis, G., Kagawa, F., Iwasa, Y., Nagaosa, N., Tokura, Y.

“…Second-order continuous phase transitions are characterized by symmetry breaking with order parameters. Topological orders of electrons, characterized by the…”
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Phonon Magnetochiral Effect by Nomura, T, Zhang, X-X, Zherlitsyn, S, Wosnitza, J, Tokura, Y, Nagaosa, N, Seki, S

“…The magnetochiral effect (MCE) of phonons, a nonreciprocal acoustic propagation arising due to symmetry principles, is demonstrated in the chiral-lattice…”
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Polaronic metal state at the LaAlO3/SrTiO3 interface by Cancellieri, C., Mishchenko, A. S., Aschauer, U., Filippetti, A., Faber, C., Barišić, O. S., Rogalev, V. A., Schmitt, T., Nagaosa, N., Strocov, V. N.

“…Interplay of spin, charge, orbital and lattice degrees of freedom in oxide heterostructures results in a plethora of fascinating properties, which can be…”
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Orbital Physics in Transition-Metal Oxides by Tokura, Y., Nagaosa, N.

“…An electron in a solid, that is, bound to or nearly localized on the specificatomic site, has three attributes: charge, spin, and orbital. The orbital…”
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Effect of lattice geometry on magnon Hall effect in ferromagnetic insulators by Ideue, T, Onose, Y, Katsura, H, Shiomi, Y, Ishiwata, S, Nagaosa, N, Tokura, Y

“…We have investigated the thermal Hall effect of magnons for various ferromagnetic insulators. For pyrochlore ferromagnetic insulators Lu sub(2) V sub(2) O…”
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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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Crossover behavior of the anomalous Hall effect and anomalous nernst effect in itinerant ferromagnets by Miyasato, T, Abe, N, Fujii, T, Asamitsu, A, Onoda, S, Onose, Y, Nagaosa, N, Tokura, Y

“…The anomalous Hall effect (AHE) and anomalous Nernst effect (ANE) are experimentally investigated in a variety of ferromagnetic metals including pure…”
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