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

Abstract

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.

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

References in corpus (3)

• Scalable multi-particle entanglement of trapped ions
• Characterizing the entanglement of symmetric many-particle spin-1/2 systems
• Generalized spin squeezing inequalities in $N$ qubit systems: theory and experiment

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