Аннотация:
Рассмотрены фазовые переходы в упорядоченные состояния, соответствующие тороидному семейству мультиполей в электродинамике. Возможна как ситуация, когда образование тороидных моментов и их упорядочение происходят одновременно (как в случае сверхпроводимости), так и ситуация, когда сначала образуются тороидные моменты, а при более низкой температуре происходит их упорядочение. Кроме электродинамических тороидных моментов, соответствующих либо полоидальным зарядовым токам, либо спиновой конфигурации, возможно тороидное состояние, соответствующее полоидальным спиновым токам.
Satoru Hayami, “Conversion between dipoles with different spatial parities by circularly polarized light”, Materials Today Quantum, 5 (2025), 100019
Hao Luo, Cong Chen, Peng Gao, Yue Feng, Ziyan Ren, Yujia Qiao, Hai Liu, “Toroidal dipole response in rectangular waveguide: used to generate vector beams and vector vortex beams”, Chin. Opt. Lett., 22:1 (2024), 011601
Satoru Hayami, Ryota Yambe, Hiroaki Kusunose, “Analysis of Photo-Induced Chirality and Magnetic Toroidal Moment Based on Floquet Formalism”, J. Phys. Soc. Jpn., 93:4 (2024)
Satoru Hayami, “Linear and nonlinear spin-current generation in polar collinear antiferromagnets without relativistic spin-orbit coupling”, Phys. Rev. B, 109:21 (2024)
Satoru Hayami, Hiroaki Kusunose, “Unified Description of Electronic Orderings and Cross Correlations by Complete Multipole Representation”, J. Phys. Soc. Jpn., 93:7 (2024)
Satoru Hayami, “Effect of external fields and currents on electronic nematic ordering with quadrupole moments”, Journal of Magnetism and Magnetic Materials, 604 (2024), 172274
Hao Wu, Adil Amin, Yue Yu, Daniel F. Agterberg, “Nematic Bogoliubov Fermi surfaces from magnetic toroidal order in
FeSe1-xSx”, Phys. Rev. B, 109:22 (2024)
Satoru Hayami, “Spin–Orbit Coupling Free Nonlinear Spin Hall Effect in a Triangle-Unit Collinear Antiferromagnet with Magnetic Toroidal Dipole”, JLPEA, 14:3 (2024), 35
Satoru Hayami, “Symmetry Classification of Antiferromagnets with Four Types of Multipoles”, Symmetry, 16:7 (2024), 926
Tong Wu, Andrey B. Evlyukhin, Vladimir R. Tuz, “Bonding and antibonding electromagnetic coupling in two interacting toroidal metamolecules”, Phys. Rev. B, 110:11 (2024)
Satoru Hayami, Satoshi Tsutsui, Hiroki Hanate, Nobumoto Nagasawa, Yoshitaka Yoda, Kazuyuki Matsuhira, “Cluster Toroidal Multipoles Formed by Electric-Quadrupole and Magnetic-Octupole Trimers: A Possible Scenario for Hidden Orders in Ca5Ir3O12”, J. Phys. Soc. Jpn., 92:3 (2023)
Vladimir R. Tuz, Andrey B. Evlyukhin, Volodymyr I. Fesenko, “Transition between radial and toroidal orders in a trimer-based magnetic metasurface”, Phys. Rev. Applied, 20:4 (2023)
Jannis Lehmann, Naëmi Leo, Laura J. Heyderman, Manfred Fiebig, “Long-range order in arrays of composite and monolithic magnetotoroidal moments”, Phys. Rev. B, 108:10 (2023)
Hayami S., Matsumoto T., “Essential Model Parameters For Nonreciprocal Magnons in Multisublattice Systems”, Phys. Rev. B, 105:1 (2022), 014404
Satoru Hayami, Megumi Yatsushiro, “Spin Conductivity Based on Magnetic Toroidal Quadrupole Hidden in Antiferromagnets”, J. Phys. Soc. Jpn., 91:6 (2022)
Hiroaki Kusunose, Satoru Hayami, “Generalization of microscopic multipoles and cross-correlated phenomena by their orderings”, J. Phys.: Condens. Matter, 34:46 (2022), 464002