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Double occupancy errors in quantum computing operations: Corrections to adiabaticity

URN to cite this document:
urn:nbn:de:bvb:355-epub-282336
DOI to cite this document:
10.5283/epub.28233
Requist, Ryan ; Schliemann, John ; Abanov, Alexander G. ; Loss, Daniel
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Date of publication of this fulltext: 22 May 2013 13:58


Abstract

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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