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Double occupancy errors in quantum computing operations: Corrections to adiabaticity

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Requist, Ryan ; Schliemann, John ; Abanov, Alexander G. ; Loss, Daniel
Date of publication of this fulltext: 22 May 2013 13:58


We study the corrections to adiabatic dynamics of two coupled quantum dot spin qubits, each dot singly occupied with an electron, in the context of a quantum computing operation. Tunneling causes double occupancy at the conclusion of an operation and constitutes a processing error. We model the gate operation with an effective two-level system, where nonadiabatic transitions correspond to double ...


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