Abstract
A new variant of the controlled-NOT quantum logic gate is proposed. The gate is based on adiabatic level-crossing dynamics of the q-bits. An important advantage of the adiabatic dynamics, as opposed to the ac-driven Rabi transitions, is its considerable insensitivity to the unavoidable spread of the gate parameters. The gate has a natural implementation in terms of the Cooper pair transport in arrays of small Josephson tunnel junctions. The decoherence rate for this implementation is estimated.
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Averin, D.V. (1999). Adiabatic Controlled-NOT Gate for Quantum Computation. In: Williams, C.P. (eds) Quantum Computing and Quantum Communications. QCQC 1998. Lecture Notes in Computer Science, vol 1509. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-49208-9_38
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DOI: https://doi.org/10.1007/3-540-49208-9_38
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