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Quantum Simulation

Noise correlation and success probability in coherent Ising machines

arXiv
Authors: Yoshitaka Inui, Yoshihisa Yamamoto

Year

2020

Paper ID

20528

Status

Preprint

Abstract Read

~2 min

Abstract Words

85

Citations

N/A

Abstract

We compared the noise correlation and the success probability of coherent Ising machines (CIMs) with optical delay-line, measurement feedback, and mean-field couplings. We theoretically studied three metrics for the noise correlations in these CIMs: quantum entanglement, quantum discord, and normalized correlation of canonical coordinates. The success probability was obtained through numerical simulations of truncated stochastic differential equations based on the Wigner distribution function. The results indicate that the success probability is more directly related to the normalized correlation function rather than entanglement or quantum discord.

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  • This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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  • We compared the noise correlation and the success probability of coherent Ising machines (CIMs) with optical delay-line, measurement feedback, and mean-field couplings.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2009.10328 [2] arXiv https://arxiv.org/abs/2009.10328 [3] Publisher https://arxiv.org/abs/2009.10328

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