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Journal Articles

Feedback of superconductivity on the magnetic excitation spectrum of UTe$$_{2}$$

Raymond, S.*; Knafo, W.*; Knebel, G.*; Kaneko, Koji; Brison, J.-P.*; Flouquet, J.*; Aoki, Dai*; Lapertot, G.*

Journal of the Physical Society of Japan, 90(11), p.113706_1 - 113706_5, 2021/11

Journal Articles

Twisted skyrmion strings in a layered Heisenberg model with dipole-dipole interactions

Yokota, Terufumi

Journal of the Physical Society of Japan, 90(10), p.104701_1 - 104701_5, 2021/10

Journal Articles

Nodal lines and boundary modes in topological Dirac semimetals with magnetism

Araki, Yasufumi; Watanabe, Jin*; Nomura, Kentaro*

Journal of the Physical Society of Japan, 90(9), p.094702_1 - 094702_9, 2021/09

 Times Cited Count:0

While nodal-line semimetals with magnetism have been theoretically predicted and experimentally observed in a few compounds, idea on the relation between the magnetic order and the electronic structure is still limited. We theoretically explore the electronic structure in bulk and boundary of such a magnetic nodal-line state by introducing magnetism in topological Dirac semimetal (TDSM). TDSMs, such as $$mathrm{Cd_3 As_2}$$ and $$mathrm{Na_3 Bi}$$,are characterized by a pair of spin-degenerate Dirac points protected by rotational symmetries of crystals. By introducing local magnetic moments coupled to the electron spins in the lattice model of TDSM, we show that the TDSM can turn into either a Weyl semimetal or a nodal-line semimetal, which is determined by the orbital dependence in the exchange coupling and the direction of magnetization formed by the magnetic moments. In this magnetic nodal-line semimetal state, we find zero modes with drumhead-like band structure at the boundary that are characterized by the topological number of $$mathbb{Z}$$. Those zero modes are numerically demonstrated by introducing magnetic domain walls in the lattice model.

Journal Articles

Spin-flop phase in a honeycomb antiferromagnet Mn$$_{0.84}$$Mg$$_{0.16}$$TiO$$_{3}$$

Shamoto, Shinichi; Yamauchi, Hiroki; Ikeuchi, Kazuhiko*; Lee, M. K.*; Chang, L.-J.*; Garlea, V. O.*; Hwang, I. Y.*; Lee, K. H.*; Chung, J.-H.*

Journal of the Physical Society of Japan, 90(9), p.093703_1 - 093703_4, 2021/09

 Times Cited Count:0

no abstracts in English

Journal Articles

Topological Hall effects of magnons in ferrimagnets

Nakata, Koki; Kim, S. K.*

Journal of the Physical Society of Japan, 90(8), p.081004_1 - 081004_10, 2021/08

 Times Cited Count:0 Percentile:0.01(Physics, Multidisciplinary)

This article reviews the past works on topological Hall effects of magnons in insulating magnets with a particular focus on ferrimagnets.

Journal Articles

Neutron scattering study on yttrium iron garnet for spintronics

Nambu, Yusuke*; Shamoto, Shinichi

Journal of the Physical Society of Japan, 90(8), p.081002_1 - 081002_15, 2021/08

 Times Cited Count:0 Percentile:0.01(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Microscopic theory of electrically induced spin torques in magnetic Weyl semimetals

Kurebayashi, Daichi*; Araki, Yasufumi; Nomura, Kentaro*

Journal of the Physical Society of Japan, 90(8), p.084702_1 - 084702_9, 2021/08

 Times Cited Count:1 Percentile:0.01(Physics, Multidisciplinary)

We theoretically study current- and charge-induced spin torque in magnetic Weyl semimetals. In magnetic Weyl semimetals (WSM), topologically nontrivial band structure mediates anomalous coupling between magnetization and transport, making WSMs preferable for spintronics systems. In this paper, we determine all current-induced spin torques including spin-orbit torque and spin-transfer torque, up to first order with respect to spatial and temporal derivatives and electrical currents. We also calculate the charge-induced spin torque microscopically. We find the charge-induced spin torque originates from the chiral anomaly due to the correspondence between spin operators and axial current operators in our model.

Journal Articles

Magnetic structure of short-range ordering in intermetallic antiferromagnet Mn$$_3$$RhSi

Kodama, Katsuaki; Honda, Takashi*; Yamauchi, Hiroki; Shamoto, Shinichi*; Ikeda, Kazutaka*; Otomo, Toshiya*

Journal of the Physical Society of Japan, 90(7), p.074710_1 - 074710_7, 2021/07

 Times Cited Count:0 Percentile:0.01(Physics, Multidisciplinary)

Journal Articles

Anisotropic physical properties of layered antiferromagnet U$$_2$$Pt$$_6$$Ga$$_{15}$$

Matsumoto, Yuji*; Haga, Yoshinori; Yamamoto, Etsuji; Takeuchi, Tetsuya*; Miyake, Atsushi*; Tokunaga, Masashi*

Journal of the Physical Society of Japan, 90(7), p.074707_1 - 074707_6, 2021/07

 Times Cited Count:0 Percentile:0.01(Physics, Multidisciplinary)

Journal Articles

Observation of longitudinal magnetic fluctuations at a first-order ferromagnetic quantum phase transition in UGe$$_2$$

Noma, Yuichiro*; Kotegawa, Hisashi*; Kubo, Tetsuro*; To, Hideki*; Harima, Hisatomo*; Haga, Yoshinori; Yamamoto, Etsuji; Onuki, Yoshichika*; Ito, Kohei*; Nakamura, Ai*; et al.

Journal of the Physical Society of Japan, 90(7), p.073707_1 - 073707_5, 2021/07

 Times Cited Count:0 Percentile:0.01(Physics, Multidisciplinary)

Journal Articles

Charge-density-wave order and multiple magnetic transitions in divalent europium compound EuAl$$_4$$

Kaneko, Koji; Kawasaki, Takuro; Nakamura, Ai*; Munakata, Koji*; Nakao, Akiko*; Hanashima, Takayasu*; Kiyanagi, Ryoji; Ohara, Takashi; Hedo, Masato*; Nakama, Takao*; et al.

Journal of the Physical Society of Japan, 90(6), p.064704_1 - 064704_6, 2021/06

 Times Cited Count:1 Percentile:74.81(Physics, Multidisciplinary)

Journal Articles

Spin wave excitations in honeycomb antiferromagnet MnTiO$$_{3}$$

Hwang, I. Y.*; Lee, K. H.*; Chung, J.-H.*; Ikeuchi, Kazuhiko*; Garlea, V. O.*; Yamauchi, Hiroki; Akatsu, Mitsuhiro*; Shamoto, Shinichi

Journal of the Physical Society of Japan, 90(6), p.064708_1 - 064708_6, 2021/06

 Times Cited Count:1 Percentile:0.01(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Spin excitations of the $$S$$=1/2 one-dimensional Ising-like antiferromagnet BaCo$$_{2}$$V$$_{2}$$O$$_{8}$$ in transverse magnetic fields

Okutani, Akira*; Onishi, Hiroaki; Kimura, Shojiro*; Takeuchi, Tetsuya*; Kida, Takanori*; Mori, Michiyasu; Miyake, Atsushi*; Tokunaga, Masashi*; Kindo, Koichi*; Hagiwara, Masayuki*

Journal of the Physical Society of Japan, 90(4), p.044704_1 - 044704_9, 2021/04

 Times Cited Count:0 Percentile:0.01(Physics, Multidisciplinary)

Journal Articles

Analysis of glass behavior of Lu$$_{2}$$Fe$$_{3}$$O$$_{7}$$ with distributed equivalent circuit model

Fukada, Yukimasa*; Fukuyama, Ryota*; Fujiwara, Kosuke*; Yoshii, Kenji; Shigematsu, Kei*; Azuma, Masaki*; Ikeda, Naoshi*

Journal of the Physical Society of Japan, 90(2), p.024710_1 - 024710_6, 2021/02

 Times Cited Count:0 Percentile:0.01(Physics, Multidisciplinary)

We report an analysis of the dielectric glasslike state of the spin- and charge-ordered system Lu$$_{2}$$Fe$$_{3}$$O$$_{7}$$, which has structural and physical properties analogous to those of the electronic ferroelectrics ${it R}$Fe$$_{2}$$O$$_{4}$$ (${it R}$: rare earth). Aging and memory effects of resistivity were found in the electric impedance response. We performed a numerical analysis with equivalent electric circuits that have a logarithmic Gaussian distribution of resistance and capacitance. The distribution parameters well explained the glassy nature of the electric and dielectric properties between 100 and 200 K and the distribution variations of charge- and magnetic-ordered domains underlying the glass nature.

Journal Articles

Magnetic excitations of Sr$$_{3}$$Ir$$_{2}$$O$$_{7}$$ observed by inelastic neutron scattering technique

Fujita, Masaki*; Ikeuchi, Kazuhiko*; Kajimoto, Ryoichi; Nakamura, Mitsutaka

Journal of the Physical Society of Japan, 90(2), p.025001_1 - 025001_2, 2021/02

 Times Cited Count:0 Percentile:0.01(Physics, Multidisciplinary)

Journal Articles

Detailed investigations on short- and intermediate-range structures of Ge-Se glasses near the stiffness transition composition

Hosokawa, Shinya*; Kawakita, Yukinobu; Pusztai, L.*; Ikeda, Kazutaka*; Otomo, Toshiya*

Journal of the Physical Society of Japan, 90(2), p.024601_1 - 024601_12, 2021/02

 Times Cited Count:0 Percentile:0.01(Physics, Multidisciplinary)

Journal Articles

Core-level photoelectron spectroscopy study of UTe$$_{2}$$

Fujimori, Shinichi; Kawasaki, Ikuto; Takeda, Yukiharu; Yamagami, Hiroshi; Nakamura, Ai*; Homma, Yoshiya*; Aoki, Dai*

Journal of the Physical Society of Japan, 90(1), p.015002_1 - 015002_2, 2021/01

 Times Cited Count:3 Percentile:89.07(Physics, Multidisciplinary)

Journal Articles

Nuclear magnetic relaxation time near the compensation temperature in a ferrimagnetic insulator

Mori, Michiyasu

Journal of the Physical Society of Japan, 89(11), p.114705_1 - 114705_7, 2020/11

 Times Cited Count:1 Percentile:34.55(Physics, Multidisciplinary)

Journal Articles

Non-reciprocal pumping of surface acoustic waves by spin wave resonance

Yamamoto, Kei; Yu, W.*; Yu, T.*; Puebla, J.*; Xu, M.*; Maekawa, Sadamichi*; Bauer, G.*

Journal of the Physical Society of Japan, 89(11), p.113702_1 - 113702_5, 2020/11

 Times Cited Count:1 Percentile:34.55(Physics, Multidisciplinary)

Journal Articles

Coexistence of two components in magnetic excitations of La$$_{2-x}$$Sr$$_{x}$$CuO$$_{4}$$ ($$x$$ = 0.10 and 0.16)

Sato, Kentaro*; Ikeuchi, Kazuhiko*; Kajimoto, Ryoichi; Wakimoto, Shuichi; Arai, Masatoshi*; Fujita, Masaki*

Journal of the Physical Society of Japan, 89(11), p.114703_1 - 114703_7, 2020/11

 Times Cited Count:1 Percentile:34.55(Physics, Multidisciplinary)

1036 (Records 1-20 displayed on this page)