English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Topological quantum error correction codes are known to be able to toleratearbitrary local errors given sufficient qubits. This includes correlated errorsinvolving many local qubits. In this work, we quantify this level of tolerance,numerically studying the effects of many-qubit errors on the performance of thesurface code. We find that if increasingly large area errors are at leastmoderately exponentially suppressed, arbitrarily reliable quantum computationcan still be achieved with practical overhead. We furthermore quantify theeffect of non-local two-qubit correlated errors, which would be expected inarrays of qubits coupled by a polynomially decaying interaction, and when usingmany-qubit coupling devices. We surprisingly find that the surface code is veryrobust to this class of errors, despite a provable lack of a threshold errorrate when such errors are present.

Quantifying the effects of local many-qubit errors and non-local two-qubit errors on the surface code