Mapping the spatial distribution of entanglement in optical lattices

Details Mapping the spatial distribution of entanglement in optical lattices Mapping the spatial distribution of entanglement in optical lattices

2010-07-06

arxiv.org/abs/1007.0985v2

Phys. Rev. A 82, 062321 (2010)

Physics

Quantum Physics

2 figures, 6 pages

Scientific paper

10.1103/PhysRevA.82.062321

We study the entangled states that can be generated using two species of atoms trapped in independently movable, two-dimensional optical lattices. We show that using two sets of measurements it is possible to measure a set of entanglement witness operators distributed over arbitrarily large regions of the lattice, and use these witnesses to produce two-dimensional plots of the entanglement content of these states. We also discuss the influence of noise on the states and on the witnesses, as well as connections to ongoing experiments.

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