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arxiv: 1309.2217 · v2 · pith:6QNY33LPnew · submitted 2013-09-09 · 🪐 quant-ph · cond-mat.stat-mech

Scaling of genuine multiparticle entanglement at a quantum phase transition

Martin Hofmann , Andreas Osterloh , Otfried G\"uhne This is my paper
classification 🪐 quant-ph cond-mat.stat-mech
keywords entanglementgenuinescalingmultiparticlephasequantumthree-transition
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We investigate the scaling and spatial distribution of genuine multiparticle entanglement in three- and four-spin reduced states of the one-dimensional XY-model at the quantum phase transition. We observe a logarithmic divergence and show that genuine three- and four-particle entanglement obeys finite-size scaling.

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