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APS » Journals » Phys. Rev. Lett. » Volume 88 » Issue 12
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Phys. Rev. Lett. 88, 120401 (2002) [4 pages]

Entangling Macroscopic Oscillators Exploiting Radiation Pressure

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Stefano Mancini1,3, Vittorio Giovannetti2, David Vitali3, and Paolo Tombesi3
1INFM, Dipartimento di Fisica, Università di Milano, Via Celoria 16, I-20133 Milano, Italy
2Research Laboratory of Electronics, MIT, Cambridge, Massachusetts 02139
3INFM, Dipartimento di Matematica e Fisica, Università di Camerino, I-62032 Camerino, Italy

Received 7 September 2001; published 7 March 2002

It is shown that radiation pressure can be profitably used to entangle macroscopic oscillators like movable mirrors, using present technology. We prove a new sufficient criterion for entanglement and show that the achievable entanglement is robust against thermal noise. Its signature can be revealed using common optomechanical readout apparatus.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.88.120401
DOI:
10.1103/PhysRevLett.88.120401
PACS:
03.65.Ud, 03.65.Ta, 42.50.Vk
 
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