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A brief introduction to multipartite entanglement

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arxiv 1612.07747 v1 pith:GEXHZGRF submitted 2016-12-22 quant-ph

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keywords entanglementquantumstatessystemsintroductionlocalmultipartiteabsolutely
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A concise introduction to quantum entanglement in multipartite systems is presented. We review entanglement of pure quantum states of three--partite systems analyzing the classes of GHZ and W states and discussing the monogamy relations. Special attention is paid to equivalence with respect to local unitaries and stochastic local operations, invariants along these orbits, momentum map and spectra of partial traces. We discuss absolutely maximally entangled states and their relation to quantum error correction codes. An important case of a large number of parties is also analysed and entanglement in spin systems is briefly reviewed.

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Cited by 3 Pith papers

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  1. Hierarchy of entanglement detection criteria for random high-dimensional states

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    For Haar-random high-dimensional NPT states, the paper proposes a rank- and dimension-dependent order among entanglement detection criteria, but the analytic rank thresholds it claims are only ensemble-average argumen...

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  3. Deep Learning in Classical and Quantum Physics

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