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An Exact Approach to Elimination of Leakage in a Qubit Embedded in a Three-level System

Leakage errors damage a qubit by coupling it to other levels. Over the years, several theoretical approaches to dealing with such errors have been developed based on perturbation arguments. Here we propose a different strategy: we use a sequence of finite rotation gates to exactly eliminate leakage...

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Bibliographic Details
Published in:Sci Rep
Main Authors: Sun, Yifan, Zhang, Jun-Yi, Wu, Lian-Ao
Format: Artigo
Language:Inglês
Published: Nature Publishing Group UK 2019
Subjects:
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC6667455/
https://ncbi.nlm.nih.gov/pubmed/31363136
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41598-019-47479-9
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