Entanglement in the dispersive interaction of trapped ions with a quantized field

Details Entanglement in the dispersive interaction of trapped ions with a quantized field Entanglement in the dispersive interaction of trapped ions with a quantized field

2006-12-28

arxiv.org/abs/quant-ph/0612222v2

Phys. Rev. A 75, 042315 (2007)

Physics

Quantum Physics

10 pages, 5 figures, corrected typos

Scientific paper

The mode-mode entanglement between trapped ions and cavity fields is investigated in the dispersive regime. We show how a simple initial preparation of Gaussian coherent states and a postselection may be used to generate motional non-local mesoscopic states (NLMS) involving ions in different traps. We also present a study of the entanglement induced by dynamical Stark-shifts considering a cluster of N-trapped ions. In this case, all entanglement is due to the dependence of the Stark-shifts on the ions' state of motion manifested as a cross-Kerr interaction between each ion and the field.

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