Bias-preserving computation with the bit-flip code

Shoichiro Tsutsui

doi:10.1103/PhysRevResearch.6.023290

2024-06-17

Shoichiro Tsutsui *

Keita Kanno

DOI：10.1103/PhysRevResearch.6.023290

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We explore the feasibility of fault-tolerant quantum computation using the bit-flip repetition code in a biased noise channel where only the bit-flip error can occur. While several logic gates can potentially produce phase-flip errors even in such a channel, we propose bias-preserving implementation of S, H, controlled-Z (CZ), and Rz gates. We demonstrate that our scheme improves the computational precision in several tasks such as the time evolution of quantum systems and variational quantum eigensolver.

Keyword:

TOLERANT QUANTUM COMPUTATION

期刊

Physical Review Research

IF:

4.2

论文数:

7.6K

被引数:

2.7W

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