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
45 papers · 2 filters
Entanglement swapping and swapped entanglement
S. M. Zangi, Chitra Shukla, Atta Ur Rahman +1
Entanglement swapping is gaining widespread attention due to its application in entanglement distribution among different parts of quantum appliances. We investigate the entangleme…
Atomic Ramsey interferometry with S- and D-band in a triangular optical lattice
Xiangyu Dong, Chengyang Wu, Zhongcheng Yu +5
Ramsey interferometers have wide applications in science and engineering. Compared with the traditional interferometer based on internal states, the interferometer with external qu…
Practical quantum simulation of small-scale non-Hermitian dynamics
Hongfeng Liu, Xiaodong Yang, Kai Tang +5
Non-Hermitian quantum systems have recently attracted considerable attention due to their exotic properties. Though many experimental realizations of non-Hermitian systems have bee…
Beating the break-even point with a discrete-variable-encoded logical qubit
Zhongchu Ni, Sai Li, Xiaowei Deng +12
Quantum error correction (QEC) aims to protect logical qubits from noises by utilizing the redundancy of a large Hilbert space, where an error, once it occurs, can be detected and…
Anomalous Heat Transfer in Nonequilibrium Quantum Systems
Teng Ma, Jing-Ning Zhang, Yuan-Sheng Wang +2
Anomalous heat transfer (AHT), a process by which heat spontaneously flows from a cold system into a hot one, superficially contradicts the Clausius statement of the second law of…
Control-enhanced quantum metrology under Markovian noise
Yue Zhai, Xiaodong Yang, Kai Tang +5
Quantum metrology is supposed to significantly improve the precision of parameter estimation by utilizing suitable quantum resources. However, the predicted precision can be severe…
Time-Optimal Quantum Driving by Variational Circuit Learning
Tangyou Huang, Yongcheng Ding, Léonce Dupays +4
The simulation of quantum dynamics on a digital quantum computer with parameterized circuits has widespread applications in fundamental and applied physics and chemistry. In this c…
Geometric correspondence of noisy quantum dynamics and universal robust quantum gates
Yong-Ju Hai, Junning Li, Junkai Zeng +1
Quantum information processing faces a significant hurdle: noise. Different noise sources induce varying errors in quantum operations depending on the underlying dynamics. To gain…
Entanglement-Enhanced Quantum Metrology in Colored Noise by Quantum Zeno Effect
Xinyue Long, Wan-Ting He, Na-Na Zhang +9
In open quantum systems, the precision of metrology inevitably suffers from the noise. {In Markovian open quantum dynamics, the precision can not be improved by using entangled pro…
Robust nonadiabatic geometric quantum computation by dynamical correction
Ming-Jie Liang, Zheng-Yuan Xue
Besides the intrinsic noise resilience property, nonadiabatic geometric phases are of the fast evolution nature, and thus can naturally be used in constructing quantum gates with e…
Efficient algorithms for quantum information bottleneck
Masahito Hayashi, Yuxiang Yang
The ability to extract relevant information is critical to learning. An ingenious approach as such is the information bottleneck, an optimisation problem whose solution corresponds…
Entangled X-ray Photon Pair Generation by Free Electron Lasers
Linfeng Zhang, Zunqi Li, Dongyu Liu +3
Einstein, Podolsky and Rosen's prediction on incompleteness of quantum mechanics was overturned by experimental tests on Bell's inequality that confirmed the existence of quantum e…
Scalable and Programmable Phononic Network with Trapped Ions
Wentao Chen, Yao Lu, Shuaining Zhang +9
Controllable bosonic systems can provide post-classical computational power with sub-universal quantum computational capability. A network that consists of a number of bosons evolv…
Tunable quantum interference effects in Floquet two- and three-level systems
Yingying Han, Minchen Qiao, Xiao-Qing Luo +5
Quantum interference effects in the unmodulated quantum systems with light-matter interaction have been widely studied, such as electromagnetically induced transparency (EIT) and A…
Experimental Simulation of Larger Quantum Circuits with Fewer Superconducting Qubits
Chong Ying, Bin Cheng, Youwei Zhao +14
Although near-term quantum computing devices are still limited by the quantity and quality of qubits in the so-called NISQ era, quantum computational advantage has been experimenta…
Unified Light-Matter Floquet Theory and its Application to Quantum Communication
Georg Engelhardt, Sayan Choudhury, W. Vincent Liu
Periodically-driven quantum systems can exhibit a plethora of intriguing non-equilibrium phenomena that can be analyzed using Floquet theory. Naturally, Floquet theory is employed…
Experimental quantum simulation of non-Hermitian dynamical topological states using stochastic Schrödinger equation
Zidong Lin, Lin Zhang, Xinyue Long +8
Noise is ubiquitous in real quantum systems, leading to non-Hermitian quantum dynamics, and may affect the fundamental states of matter. Here we report in experiment a quantum simu…
Experimental Implementation of the Fractional Vortex Hilbert's Hotel
Xi Chen, Shun Wang, Chenglong You +2
The Hilbert hotel is an old mathematical paradox about sets of infinite numbers. This paradox deals with the accommodation of a new guest in a hotel with an infinite number of occu…
Preserving Entanglement in a Solid-Spin System Using Quantum Autoencoders
Feifei Zhou, Yu Tian, Yumeng Song +6
Entanglement, as a key resource for modern quantum technologies, is extremely fragile due to the decoherence. Here, we show that a quantum autoencoder, which is trained to compress…
Experimental Realization of Two Qutrits Gate with Tunable Coupling in Superconducting Circuits
Kai Luo, Wenhui Huang, Ziyu Tao +12
Gate-based quantum computation has been extensively investigated using quantum circuits based on qubits. In many cases, such qubits are actually made out of multilevel systems but…
Unified Approach to Secret Sharing and Symmetric Private Information Retrieval with Colluding Servers in Quantum Systems
Masahito Hayashi, Seunghoan Song
This paper unifiedly addresses two kinds of key quantum secure tasks, i.e., quantum versions of secret sharing (SS) and symmetric private information retrieval (SPIR) by using mult…
Thermodynamics of quantum switch information capacity activation
Xiangjing Liu, Daniel Ebler, Oscar Dahlsten
We address a new setting where the second law is under question: thermalizations in a quantum superposition of causal orders, enacted by the so-called quantum switch. This superpos…
Observing Quantum Synchronization of a Single Trapped-Ion Qubit
Liyun Zhang, Zhao Wang, Yucheng Wang +4
Synchronizing a few-level quantum system is of fundamental importance to understanding synchronization in deep quantum regime. Whether a two-level system, the smallest quantum syst…
Improved Quantum Computing with the Higher-order Trotter Decomposition
Xiaodong Yang, Xinfang Nie, Yunlan Ji +3
In designing quantum control, it is generally required to simulate the controlled system evolution with a classical computer. However, computing the time evolution operator can be…