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Heidelberg 2015 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 26: Quantum Information: Concepts and Methods IV

Q 26.4: Vortrag

Dienstag, 24. März 2015, 15:15–15:30, K/HS1

Entanglement and correlations in a quantum phase transition — •Andreas Osterloh and Ralf Schützhold — Universität Duisburg-Essen, Duisburg, Germany.

We study the quantum phase transition in the one-dimensional XY model with transverse field. By means of several measures, we study the general qualitative behaviour of multi-partite correlations and entanglement when going from the paramagnetic state with no entanglement to the ferromagnetic phase with purely n-partite (GHZ-type) entanglement.

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