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Title:	Strong Magnetic Coupling Between an Electronic Spin Qubit and a Mechanical Resonator
Author:	Rabl, P; Cappellaro, P; Dutt, M. V. Gurudev; Jiang, Liang; Maze, J. R.; Lukin, Mikhail D. Note: Order does not necessarily reflect citation order of authors.
Citation:	Rabl, P., P. Cappellaro, M.V. Gurudev Dutt, Liang Jiang, J.R. Maze, and Mikhail D. Lukin. 2009. Strong magnetic coupling between an electronic spin qubit and a mechanical resonator. Physical Review B 79(4): 041302.
Full Text & Related Files:	0806.3606v1.pdf (256.7Kb; PDF)
Abstract:	We describe a technique that enables a strong coherent coupling between a single electronic spin qubit associated with a nitrogen-vacancy impurity in diamond and the quantized motion of a magnetized nanomechanical resonator tip. This coupling is achieved via careful preparation of dressed spin states which are highly sensitive to the motion of the resonator but insensitive to perturbations from the nuclear-spin bath. In combination with optical pumping techniques, the coherent exchange between spin and motional excitations enables ground-state cooling and controlled generation of arbitrary quantum superpositions of resonator states Optical spin readout techniques provide a general measurement toolbox for the resonator with quantum limited precision.
Published Version:	doi:10.1103/PhysRevB.79.041302
Other Sources:	http://arxiv.org/abs/0806.3606
Terms of Use:	This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page:	http://nrs.harvard.edu/urn-3:HUL.InstRepos:5345666

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  Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University

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