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Decoherence of Geometric Phase Gates

Nazir, A.; Spiller, Timothy P.; Munro, William J.


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Abstract: We consider the effects of certain forms of decoherence applied to both adiabatic and non- adiabatic geometric phase quantum gates. For a single qubit we illustrate path-dependent sensitivity to anisotropic noise and for two qubits we quantify the loss of entanglement as a function of decoherence. Notes: A. Nazir, Department of Materials, University of Oxford, Oxford, OX1 3PH, UK.

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