Efficient quantum state transfer in an engineered chain of quantum bits

Efficient quantum state transfer in an engineered chain of quantum bits We present a method of performing quantum state transfer in a chain of superconducting quantum bits. Our protocol is based on engineering the energy levels of the qubits in the chain and tuning them all simultaneously with an external flux bias. The system is designed to allow sequential adiabatic state transfers, resulting in on-demand quantum state transfer from one end of the chain to the other. Numerical simulations of the master equation using realistic parameters for capacitive nearest-neighbor coupling, energy relaxation, and dephasing show that fast, high-fidelity state transfer should be feasible using this method. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Efficient quantum state transfer in an engineered chain of quantum bits

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Springer US
Copyright © 2015 by Springer Science+Business Media New York
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
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    Barends, R; Kelly, J; Megrant, A; Sank, D; Jeffrey, E; Chen, Y; Yin, Y; Chiaro, B; Mutus, J; Neill, C; OMalley, P; Roushan, P; Wenner, J; White, TC; Cleland, AN; Martinis, JM

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