Local indistinguishability and edge modes revealed by the sub-system fidelity
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DOI: 10.1088/1367-2630/aa6a4b
Abstract: We propose to utilize the sub-system fidelity (SSF), defined by comparing a pair of reduced density matrices, to identify and locate zero modes relating two degenerate ground states in one-dimensional interacting many-body systems, where the… read more here.
Keywords: system; system fidelity; indistinguishability edge; sub system ... See more keywords