Device-Independent Quantum Key Distribution Based on the Mermin-Peres Magic Square Game

• URL: http://arxiv.org/abs/2308.14037v2
• Date: Fri, 22 Sep 2023 05:54:42 GMT
• Title: Device-Independent Quantum Key Distribution Based on the Mermin-Peres Magic Square Game
• Authors: Yi-Zheng Zhen and Yingqiu Mao and Yu-Zhe Zhang and Feihu Xu and Barry C. Sanders
• Abstract summary: Device-independent quantum key distribution (DIQKD) is information-theoretically secure against adversaries who possess a scalable quantum computer and who have supplied malicious key-establishment systems. We devise a DIQKD scheme based on the quantum nonlocal Mermin-Peres square game: our scheme delivers DIQKD against collective attacks, even with noise.
• Score: 2.511005394556533
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Device-independent quantum key distribution (DIQKD) is information-theoretically secure against adversaries who possess a scalable quantum computer and who have supplied malicious key-establishment systems; however, the DIQKD key rate is currently too low. Consequently, we devise a DIQKD scheme based on the quantum nonlocal Mermin-Peres magic square game: our scheme asymptotically delivers DIQKD against collective attacks, even with noise. Our scheme outperforms DIQKD using the Clauser-Horne-Shimony-Holt game with respect to the number of game rounds, albeit not number of entangled pairs, provided that both state visibility and detection efficiency are high enough.

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