Multi-particle entanglement of hot trapped ions

Details Multi-particle entanglement of hot trapped ions Multi-particle entanglement of hot trapped ions

1998-10-14

arxiv.org/abs/quant-ph/9810040v2

Phys.Rev.Lett. 82 (1999) 1835-1838

Physics

Quantum Physics

4 pages, including 3 figures. To appear in Phys. Rev. Lett. This paper previously appeared under the name "Schrodingers cat in

Scientific paper

10.1103/PhysRevLett.82.1835

We propose an efficient method to produce multi-particle entangled states of ions in an ion trap for which a wide range of interesting effects and applications have been suggested. Our preparation scheme exploits the collective vibrational motion of the ions, but it works in such a way that this motion need not be fully controlled in the experiment. The ions may, e.g., be in thermal motion and exchange mechanical energy with a surrounding heat bath without detrimental effects on the internal state preparation. Our scheme does not require access to the individual ions in the trap.

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