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A Coding and Automatic Error-Correction Circuit Based on the Five-Particle Entangled State
Xi Chen, Pei Zhang, and Xiaoqing Zhou
ZTE Communications
2013, 11 (3):
41-45.
DOI: DOI:10.3969/j.issn.1673-5188.2013.03.007
In this paper, we discuss the concepts of quantum coding and error correction for a five-particle entangled state. Error correction can correct bit-reverse or phase-flip errors of one and two quantum states and is no longer limited to only one quantum state. We encode a single quantum state into a five-particle entangled state before being transferred to the sender. We designed an automatic error-correction circuit to correct errors caused by noise. We also simplify the design process for a multiple quantum error-correction circuit. We compare error-correction schemes for five and three entangled particles in terms of efficiency and capabilities. The results show that error-correction efficiency and fidelity are improved.
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