Optical selection rules in spin–orbit coupled systems on honeycomb lattice

Yuki Yanagi, Hiroaki Kusunose

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

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

Original languageEnglish
Article number083703
Journaljournal of the physical society of japan
Volume86
Issue number8
DOIs
Publication statusPublished - 2017 Aug 15
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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