3.7k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Chinese Academy of SciencesCN257 papers
- Beijing Academy of Quantum Information SciencesCN235 papers
- Peking UniversityCN220 papers
- University of Science and Technology of ChinaCN204 papers
- Tsinghua UniversityCN193 papers
- University of Chinese Academy of SciencesCN143 papers
- University of Hong KongHK135 papers
- Institute of PhysicsPL94 papers
- National University of SingaporeSG94 papers
- Peng Cheng LaboratoryCN94 papers
- Hong Kong University of Science and TechnologyHK93 papers
- Fudan UniversityCN90 papers
57 papers · 2 filters
Scalable algorithm simplification using quantum AND logic
Ji Chu, Xiaoyu He, Yuxuan Zhou +29
Implementing quantum algorithms on realistic hardware requires translating high-level global operations into sequences of native elementary gates, a process known as quantum compil…
Significant-loophole-free test of Kochen-Specker contextuality using two species of atomic-ions
Pengfei Wang, Junhua Zhang, Chun-Yang Luan +7
Quantum measurements cannot be thought of as revealing preexisting results, even when they do not disturb any other measurement in the same trial. This feature is called contextual…
Controlling wave-particle duality with quantum entanglement
Kai Wang, Daniel R. Terno, Caslav Brukner +2
Wave-particle duality and entanglement are two fundamental characteristics of quantum mechanics. All previous works on experimental investigations in wave{particle properties of si…
Selective quantum Zeno effect of ultracold atom-molecule scattering in dynamic magnetic fields
Hanwei Yang, Zunqi Li, Songbin Zhang +6
We demonstrated that final states of ultracold scattering between atom and molecule can be selectively produced using dynamic magnetic fields of multiple frequencies. The mechanism…
Quantum secure direct communication with private dense coding using general preshared quantum state
Jiawei Wu, Gui-Lu Long, Masahito Hayashi
We study quantum secure direct communication by using a general preshared quantum state and a generalization of dense coding. In this scenario, Alice is allowed to apply a unitary…
Topological spin texture of chiral edge states in photonic two-dimensional quantum walks
Chao Chen, Xing Ding, Jian Qin +7
Topological insulators host topology-linked boundary states, whose spin and charge degrees of freedom could be exploited to design topological devices with enhanced functionality.…
Robust twin-field quantum key distribution through sending-or-not-sending
Cong Jiang, Zong-Wen Yu, Xiao-Long Hu +1
The sending-or-not-sending (SNS) protocol is one of the most major variants of the twin-field (TF) quantum key distribution (QKD) protocol and has been realized in a 511 km field f…
Inverse linear versus exponential scaling of work penalty in finite-time bit reset
Yi-Zheng Zhen, Dario Egloff, Kavan Modi +1
Bit reset is a basic operation in irreversible computing. This costs work and dissipates energy in the computer, creating a limit on speeds and energy efficiency of future irrevers…
Unusual Dynamical Properties of Disordered Polaritons in Micocavities
Georg Engelhardt, Jianshu Cao
The strong light-matter interaction in microcavities gives rise to intriguing phenomena, such as cavity-mediated transport that can potentially overcome the Anderson localization.…
Quantum algorithms for the generalized eigenvalue problem
Jin-Min Liang, Shu-Qian Shen, Ming Li +1
The generalized eigenvalue (GE) problems are of particular importance in various areas of science engineering and machine learning. We present a variational quantum algorithm for f…
Testing real quantum theory in an optical quantum network
Zheng-Da Li, Ya-Li Mao, Mirjam Weilenmann +12
Quantum theory is commonly formulated in complex Hilbert spaces. However, the question of whether complex numbers need to be given a fundamental role in the theory has been debated…
Device-Independent-Quantum-Randomness-Enhanced Zero-Knowledge Proof
Cheng-Long Li, Kai-Yi Zhang, Xingjian Zhang +15
Zero-knowledge proof (ZKP) is a fundamental cryptographic primitive that allows a prover to convince a verifier of the validity of a statement without leaking any further informati…
Path-optimized nonadiabatic geometric quantum computation on superconducting qubits
Cheng-Yun Ding, Li-Na Ji, Tao Chen +1
Quantum computation based on nonadiabatic geometric phases has attracted a broad range of interests, due to its fast manipulation and inherent noise resistance. However, it is limi…
Nonadiabatic geometric quantum computation with shortened path on superconducting circuits
Cheng-Yun Ding, Yan Liang, Kai-Zhi Yu +1
Recently, nonadiabatic geometric quantum computation has been received much attention, due to its fast manipulation and intrinsic error-resilience characteristics. However, to obta…
Scalable Method for Eliminating Residual Interaction between Superconducting Qubits
Zhongchu Ni, Sai Li, Libo Zhang +11
Unwanted interaction is a quantum-mechanical crosstalk phenomenon which correlates qubit dynamics and is ubiquitous in superconducting qubit systems. It adversely affects the…
Tight Exponential Analysis for Smoothing the Max-Relative Entropy and for Quantum Privacy Amplification
Ke Li, Yongsheng Yao, Masahito Hayashi
The max-relative entropy together with its smoothed version is a basic tool in quantum information theory. In this paper, we derive the exact exponent for the asymptotic decay of t…
Ground-state cooling of multiple near-degenerate mechanical modes
Jin-Yu Liu, Wenjing Liu, Da Xu +3
We propose a general and experimentally feasible approach to realize simultaneous ground-state cooling of arbitrary number of near-degenerate, or even fully degenerate mechanical m…
Optimizing quantum control pulses with complex constraints and few variables through Tensorflow
Yao Song, Junning Li, Yong-Ju Hai +2
Applying optimal control algorithms on realistic quantum systems confronts two key challenges: to efficiently adopt physical constraints in the optimization and to minimize the var…
Global Heisenberg scaling in noisy and practical phase estimation
Masahito Hayashi, Zi-Wen Liu, Haidong Yuan
Heisenberg scaling characterizes the ultimate precision of parameter estimation enabled by quantum mechanics, which represents an important quantum advantage of both theoretical an…
Photonic verification of device-independent quantum key distribution against collective attacks
Wen-Zhao Liu, Yu-Zhe Zhang, Yi-Zheng Zhen +6
In this paper, we employ theoretical and experimental efforts and realize a proof-of-principle verification of device-independent QKD based on the photonic setup. On the theoretica…
Dense Coding with Locality Restriction for Decoder: Quantum Encoders vs. Super-Quantum Encoders
Masahito Hayashi, Kun Wang
We investigate dense coding by imposing various locality restrictions to our decoder by employing the resource theory of asymmetry framework. In this task, the sender Alice and the…
Common Coherence Witnesses and Common Coherent States
Bang-Hai Wang, Zi-Heng Ding, Zhihao Ma +1
We show the properties and characterization of coherence witnesses. We show methods for constructing coherence witnesses for an arbitrary coherent state. We investigate the problem…
Quantum Causal Unravelling
Ge Bai, Ya-Dong Wu, Yan Zhu +2
Complex processes often arise from sequences of simpler interactions involving a few particles at a time. These interactions, however, may not be directly accessible to experiments…
Quantum Interference between Photons and Single Quanta of Stored Atomic Coherence
Xingchang Wang, Jianmin Wang, Zhiqiang Ren +4
Essential for building quantum networks over remote independent nodes, the indistinguishability of photons has been extensively studied by observing the coincidence dip in the Hong…