Photon-mediated localization in two-level qubit arrays
arXiv:1911.04113 · doi:10.1103/PhysRevLett.124.093604
Abstract
We predict the existence of a novel interaction-induced spatial localization in a periodic array of qubits coupled to a waveguide. This localization can be described as a quantum analogue of a self-induced optical lattice between two indistinguishable photons, where one photon creates a standing wave that traps the other photon. The localization is caused by the interplay between on-site repulsion due to the photon blockade and the waveguide-mediated long-range coupling between the qubits.
5 pages, 4 figures + Supplementary Information
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