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Trapped Ion Quantum Computing

Method for quantum-jump continuous-time quantum error correction

arXiv
Authors: Kung-Chuan Hsu, Todd A. Brun

Year

2015

Paper ID

26939

Status

Preprint

Abstract Read

~2 min

Abstract Words

106

Citations

N/A

Abstract

Continuous-time quantum error correction (CTQEC) is a technique for protecting quantum information against decoherence, where both the decoherence and error correction processes are considered continuous in time. Given any [[n,k,d]] quantum stabilizer code, we formulate a class of protocols to implement CTQEC, involving weak coherent measurements and weak unitary corrections. Under this formalism, we show that the minimal required size of the ancillary system is n-k+1 qubits, and we propose one scheme that meets this minimal requirement. Furthermore, we compare our method with other known schemes, and show that a particular measure of performance described in this paper is better when using our method.

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  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
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  • Continuous-time quantum error correction (CTQEC) is a technique for protecting quantum information against decoherence, where both the decoherence and error correction...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1510.00121 [2] arXiv https://arxiv.org/abs/1510.00121 [3] Publisher https://arxiv.org/abs/1510.00121

Local Citation Graph (Related-Paper Links)

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