Quantum anomalous Hall effect induced by circularly polarized light on samarium hexaboride surface
arxiv(2023)
摘要
We consider a time-dependent, surface Hamiltonian for the 3D compound
samarium hexaboride based on the slave boson protocol linked version of the
periodic Anderson model reported earlier. We show the possible access to the
quantum anomalous Hall state due to the normal incidence of circularly
polarized light on the surface of the compound in the high frequency limit
within the framework of the Floquet theory. The chern number is found to be
unity for the right-handed as well as the left-handed circularly polarized
light.
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