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Title: Rapid and robust spin state amplification
Authors: Close, T.
Fadugba, F.
Benjamin, S.C. 
Fitzsimons, J. 
Lovett, B.W.
Issue Date: 22-Apr-2011
Citation: Close, T., Fadugba, F., Benjamin, S.C., Fitzsimons, J., Lovett, B.W. (2011-04-22). Rapid and robust spin state amplification. Physical Review Letters 106 (16) : -. ScholarBank@NUS Repository.
Abstract: Electron and nuclear spins have been employed in many of the early demonstrations of quantum technology. However, applications in real world quantum technology are limited by the difficulty of measuring single spins. Here we show that it is possible to rapidly and robustly amplify a spin state using a lattice of ancillary spins. The model we employ corresponds to an extremely simple experimental system: a homogenous Ising-coupled spin lattice in one, two, or three dimensions, driven by a continuous microwave field. We establish that the process can operate at finite temperature (imperfect initial polarization) and under the effects of various forms of decoherence. © 2011 American Physical Society.
Source Title: Physical Review Letters
ISSN: 00319007
DOI: 10.1103/PhysRevLett.106.167204
Appears in Collections:Staff Publications

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