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Title: Entangling remote nuclear spins linked by a chromophore
Authors: Schaffry, M.
Filidou, V.
Karlen, S.D.
Gauger, E.M.
Benjamin, S.C. 
Anderson, H.L.
Ardavan, A.
Briggs, G.A.D.
Maeda, K.
Henbest, K.B.
Giustino, F.
Morton, J.J.L.
Lovett, B.W.
Issue Date: 17-May-2010
Citation: Schaffry, M., Filidou, V., Karlen, S.D., Gauger, E.M., Benjamin, S.C., Anderson, H.L., Ardavan, A., Briggs, G.A.D., Maeda, K., Henbest, K.B., Giustino, F., Morton, J.J.L., Lovett, B.W. (2010-05-17). Entangling remote nuclear spins linked by a chromophore. Physical Review Letters 104 (20) : -. ScholarBank@NUS Repository.
Abstract: Molecular nanostructures may constitute the fabric of future quantum technologies, if their degrees of freedom can be fully harnessed. Ideally one might use nuclear spins as low-decoherence qubits and optical excitations for fast controllable interactions. Here, we present a method for entangling two nuclear spins through their mutual coupling to a transient optically excited electron spin, and investigate its feasibility through density-functional theory and experiments on a test molecule. From our calculations we identify the specific molecular properties that permit high entangling power gates under simple optical and microwave pulses; synthesis of such molecules is possible with established techniques. © 2010 The American Physical Society.
Source Title: Physical Review Letters
ISSN: 00319007
DOI: 10.1103/PhysRevLett.104.200501
Appears in Collections:Staff Publications

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