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20102023
most citedThe Clifford group fails gracefully to be a unitary 4-design

56 citations · 349 across the 21 of their papers we have counts for

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Showing 2019 · quant-phShow all

8 papers · 2 filters

quant-ph2019

Efficient verification of quantum gates with local operations

Huangjun Zhu, Haoyu Zhang

Efficient verification of the functioning of quantum devices is a key to the development of quantum technologies, but is a daunting task as the system size increases. Here we propo…

quant-ph2019

Optimal Verification of Greenberger-Horne-Zeilinger States

Zihao Li, Yun-Guang Han, Huangjun Zhu

We construct optimal protocols for verifying qubit and qudit GHZ states using local projective measurements. When the local dimension is a prime, an optimal protocol is constructed…

quant-ph2019

General framework for verifying pure quantum states in the adversarial scenario

Huangjun Zhu, Masahito Hayashi

Bipartite and multipartite entangled states are of central interest in quantum information processing and foundational studies. Efficient verification of these states, especially i…

quant-ph2019

Efficient Verification of Pure Quantum States in the Adversarial Scenario

Huangjun Zhu, Masahito Hayashi

Efficient verification of pure quantum states in the adversarial scenario is crucial to many applications in quantum information processing, such as blind measurement-based quantum…

quant-ph2019★ 20 cited

Implementation of generalized measurements on a qudit via quantum walks

Zihao Li, Haoyu Zhang, Huangjun Zhu

Quantum measurements play a fundamental role in quantum mechanics and quantum information processing, but it is not easy to implement generalized measurements, the most powerful me…

quant-ph2019

Efficient verification of Dicke states

Ye-Chao Liu, Xiao-Dong Yu, Jiangwei Shang +2

Among various multipartite entangled states, Dicke states stand out because their entanglement is maximally persistent and robust under particle losses. Although much attention has…