Tavis-Cummings model and collective multi-qubit entanglement in trapped ions

Details Tavis-Cummings model and collective multi-qubit entanglement in trapped ions Tavis-Cummings model and collective multi-qubit entanglement in trapped ions

2006-05-04

arxiv.org/abs/quant-ph/0605048v2

Phys. Rev. A 75, 022312 (2007)

Physics

Quantum Physics

6 pages, 3 figures. Accepted for publication in Physical Review A

Scientific paper

We present a method of generating collective multi-qubit entanglement via global addressing of an ion chain following the guidelines of the Tavis-Cummings model, where several qubits are coupled to a collective motional mode. We show that a wide family of Dicke states and irradiant states can be generated by single global laser pulses, unitarily or helped with suitable postselection techniques.

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