Three magnetic defects in an XX spin-1/2 chain produce long-distance genuine multipartite entanglement via localized bound states, including parameter regions with zero pairwise concurrence.
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Long-distance genuine multipartite Entanglement between Magnetic Defects in Spin Chains
Three magnetic defects in an XX spin-1/2 chain produce long-distance genuine multipartite entanglement via localized bound states, including parameter regions with zero pairwise concurrence.