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Multipartite entanglement characterization of a quantum phase transition

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arxiv quant-ph/0612098 v2 pith:H7OQEYWA submitted 2006-12-12 quant-ph

Multipartite entanglement characterization of a quantum phase transition

classification quant-ph
keywords quantumentanglementmultipartitephasetransitioncharacterizationprobabilityaverage
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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A probability density characterization of multipartite entanglement is tested on the one-dimensional quantum Ising model in a transverse field. The average and second moment of the probability distribution are numerically shown to be good indicators of the quantum phase transition. We comment on multipartite entanglement generation at a quantum phase transition.

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