Circularly polarized light on Bi₂Se₃ generates four pairs of Floquet-Weyl points at one-photon resonance, with hole doping revealing a sharp anomalous Hall conductivity peak.
To this end, we expand the Hamiltonian around the resonance momentumk τ while using the eigenbasis ofH eff(kτ)
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Floquet-Weyl states at one-photon resonances in three-dimensional topological insulators
Circularly polarized light on Bi₂Se₃ generates four pairs of Floquet-Weyl points at one-photon resonance, with hole doping revealing a sharp anomalous Hall conductivity peak.