Quantum-Squeezing-Induced Point-Gap Topology and Skin Effect.
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DOI: 10.1103/physrevlett.130.203605
Abstract: We theoretically predict the squeezing-induced point-gap topology together with a symmetry-protected Z_{2} "skin effect" in a one-dimensional (1D) quadratic-bosonic system. Protected by a time-reversal symmetry, such a topology is associated with a novel Z_{2} invariant… read more here.
Keywords: topology; skin effect; point gap;