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The hierarchy of multiple many-body interaction scales in high-temperature superconductors
W. Meevasana, X. J. Zhou, S. Sahrakorpi +28
To date, angle-resolved photoemission spectroscopy has been successful in identifying energy scales of the many-body interactions in correlated materials, focused on binding energi…
Gauge covariant formulation of Wigner representation through deformational quantization --Application to Keldysh formalism with electromagnetic field--
N. Sugimoto, S. Onoda, N. Nagaosa
We developed a gauge-covariant formulation of the non-equilibrium Green function method for the dynamical and/or non-uniform electromagnetic field by means of the deformational qua…
Bond electronic polarization induced by spin
Chenglong Jia, Shigeki Onoda, Naoto Nagaosa +1
We study theoretically the electric polarization induced by noncollinear spin configurations in the limit of strong Hund coupling. We employ a model of two magnetic ions sandwitchi…
In-plane anisotropy of the electronic structure for the charge/orbital-ordered state in half-doped manganite with layered structure
Y. S. Lee, S. Onoda, T. Arima +5
We report on the in-plane anisotropy of the electronic response in the spin/charge/orbital ordered phase of a half-doped layered-structure manganite. The optical conductivity spect…
Geometrical Aspects in Optical Wavepacket Dynamics
Masaru Onoda, Shuichi Murakami, Naoto Nagaosa
We construct a semiclassical theory for propagation of an optical wavepacket in non-conducting media with periodic structures of dielectric permittivity and magnetic permeability,…
Localization in a quantum spin Hall system
Masaru Onoda, Yshai Avishai, Naoto Nagaosa
Localization problem of electronic states in a two-dimensional quantum spin Hall system (QSH - a symplectic model with a non-trivial topological structure) is studied by the transf…