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Title:	Quantum Correlation in Disordered Spin Systems: Applications to Magnetic Sensing
Author:	Cappellaro, Paola; Lukin, Mikhail D. Note: Order does not necessarily reflect citation order of authors.
Citation:	Cappellaro, P., and M. D. Lukin. 2009. Quantum correlation in disordered spin systems: Applications to magnetic sensing. Physical Review A 80(3): 032311.
Full Text & Related Files:	0904.2642v1.pdf (435.8Kb; PDF)
Abstract:	We propose a strategy to generate a many-body entangled state in a collection of randomly placed, dipolarly coupled electronic spins in the solid state. By using coherent control to restrict the evolution into a suitable collective subspace, this method enables the preparation of GHZ-like and spin-squeezed states even for randomly positioned spins, while in addition protecting the entangled states against decoherence. We consider the application of this squeezing method to improve the sensitivity of nanoscale magnetometer based on nitrogen-vacancy spin qubits in diamond.
Published Version:	doi:10.1103/PhysRevA.80.032311
Other Sources:	http://arxiv.org/abs/0904.2642
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:7997936

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

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