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arXiv:1608.04849 · Quantum Information Processing

Dressed-state scheme for a fast CNOT gate

Jin‐Lei Wu, Xin Ji, Shou Zhang

Published Oct 26, 2017• 16 citations
arXivHTMLPDF
DOI
10.1007/s11128-017-1747-z

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Quantum logic gate is indispensable to quantum computation. One of the important qubit operations is the quantum controlled-not (CNOT) gate that performs a NOT operation on a target qubit depending on the state of the control qubit. In this paper we present a scheme to realize the quantum CNOT gate between two spatially separated atoms via shortcuts to adiabatic passage. The influence of various decoherence processes on the fidelity is discussed. The strict numerical simulation results show that the fidelity for the CNOT gate is relatively high.