Scalable architecture for coherence-preserving qubits.


We propose scalable architectures for the coherence-preserving qubits introduced by Bacon, Brown, and Whaley [Phys. Rev. Lett. 87, 247902 (2001)]. These architectures employ extra qubits providing additional degrees of freedom to the system. These extra degrees of freedom can be used to counter coupling strength errors within the coherence-preserving qubit… (More)

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