Abstract:Motivated by the recent experimental observations of quantum oscillations in the Kondo insulators SmB6 and YbB12, we study magneto-optical conductivity of Kondo insulators. We show that there exist non-trivial cyclotron resonance peaks in a frequency domain below the hybridization gap as a result of the characteristic Landau level structure of the system. Furthermore, these low energy peaks are enhanced near the insulator-metal phase transition driven by an applied magnetic field and stable even at low tempera… Show more
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