Optical Selection Rules in Spin-Orbit Coupled Systems on Honeycomb Lattice

Abstract

We investigate the optical properties in a minimal model of spin-orbit coupled systems on honeycomb lattice at half-filling. The absorption of the circularly polarized light in the charge and antiferromagnetic ordered states is particularly studied, and the spin-valley selective excitation depending on the handedness of the light is found. It is shown that the optical selection rules plainly differ with the type of broken symmetries and topological properties of the electronic states. Consequently, the abrupt change of spin-valley selectivity in the optical absorption occurs at the topological transition caused by changing the magnitude of the order parameters.

5 pages, 5 figures, 1 table

References in corpus (14)

• Spin current and magneto-electric effect in non-collinear magnets
• Valley Dependent Optoelectronics from Inversion Symmetry Breaking
• Coupling the valley degree of freedom to antiferromagnetic order
• Semiclassical theories of the anomalous Hall effect
• Cluster multipole theory for anomalous Hall effect in antiferromagnets
• Towards a microscopic theory of toroidal moments in bulk periodic crystals
• Parity-breaking phases of spin-orbit-coupled metals with gyrotropic, ferroelectric and multipolar orders
• Spin-Valley Optical Selection Rule and Strong Circular Dichroism in Silicene
• Toroidal order in metals without local inversion symmetry
• Emergent spin-valley-orbital physics by spontaneous parity breaking
• Spontaneous Parity Breaking in Spin-Orbital Coupled Systems
• Spontaneous multipole ordering by local parity mixing
• Electric Octupole Order in Bilayer Ruthenate Sr${}_3$Ru${}_2$O${}_7$
• Recent Progress in the thermodynamics of ferrotoroidic materials

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