Gaussian localizable entanglement

Details Gaussian localizable entanglement Gaussian localizable entanglement

2007-06-19

arxiv.org/abs/0706.2799v1

Phys. Rev. A 75, 060302 (2007)

Physics

Quantum Physics

4 pages, 3 figures, REVTeX4

Scientific paper

10.1103/PhysRevA.75.060302

We investigate localization of entanglement of multimode Gaussian states into a pair of modes by local Gaussian measurements on the remaining modes and classical communication. We find that for pure states and for mixed symmetric states maximum entanglement between two modes can be localized by local homodyne detections, i.e. projections onto infinitely squeezed states. We also show that non-Gaussian measurements allow to localize more entanglement than Gaussian ones.

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