Witnessing Multipartite Entanglement by Detecting Asymmetry

Abstract

The characterization of quantum coherence in the context of quantum information theory and its interplay with quantum correlations is currently subject of intense study. Coherence in a Hamiltonian eigenbasis yields asymmetry, the ability of a quantum system to break a dynamical symmetry generated by the Hamiltonian. We here propose an experimental strategy… (More)
DOI: 10.3390/e19030124

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