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Quantum Spin Hall Effect and Enhanced Magnetic Response by Spin-Orbit Coupling
Shuichi Murakami
We show that the spin Hall conductivity in insulators is related with a magnetic susceptibility representing the strength of the spin-orbit coupling. We use this relationship as a…
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,…
Gauge field for edge state in graphene
Ken-ichi Sasaki, Shuichi Murakami, Riichiro Saito
By considering the continuous model for graphene, we analytically study a special gauge field for the edge state. The gauge field explains the properties of the edge state such as…
Dynamical Diffraction Theory for Wave Packet Propagation in Deformed Crystals
Kei Sawada, Shuichi Murakami, Naoto Nagaosa
We develop a theory for the trajectory of an x ray in the presence of a crystal deformation. A set of equations of motion for an x-ray wave packet including the dynamical diffracti…