Noise reducing encoding strategies for spin chains. / Keele, Catherine; Kay, Alastair.

032613. ed. Physical Review A, 2022.

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Abstract

We present an encoding technique that reduces the effects of noise on quantum spin systems whose operation is driven by Hamiltonian evolution. This technique is widely applicable, being most relevant to the scenarios where there are insufficient qubits to permit full scale error correction. Instead, our technique can be implemented over small numbers of qubits and still leads to noticeable improvements in the fidelity of operations. The encoding scheme is easy to implement, flexible with respect to choice of Hamiltonian, and close to optimal.
Original languageEnglish
PublisherPhysical Review A
Volume105
Publication statusPublished - 24 Mar 2022
This open access research output is licenced under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.

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