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
33 papers · 2 filters
Hybrid of Gradient Descent And Semidefinite Programming for Certifying Multipartite Entanglement Structure
Kai Wu, Zhihua Chen, Zhen-Peng Xu +2
Multipartite entanglement is a crucial resource for a wide range of quantum information processing tasks, including quantum metrology, quantum computing, and quantum communication.…
Synthetic multi-dimensional Aharonov-Bohm cages in Fock state lattices
Jiajian Zhang, Wenhui Huang, Ji Chu +13
Fock-state lattices (FSLs), composed of photon number states with infinite Hilbert space, have emerged as a promising platform for simulating high-dimensional physics due to their…
Distributed multi-parameter quantum metrology with a superconducting quantum network
Jiajian Zhang, Lingna Wang, Yong-Ju Hai +19
Quantum metrology has emerged as a powerful tool for timekeeping, field sensing, and precision measurements in fundamental physics. With the advent of distributed quantum metrology…
Multimodal Purcell enhancement and optical coherence of Eu ions in a single nanoparticle coupled to a microcavity
Timon Eichhorn, Nicholas Jobbitt, Sören Bieling +8
Europium-doped nanocrystals constitute a promising material for a scalable future quantum computing platform. Long-lived nuclear spin states could serve as qubits addressed via coh…
Cooperative engineering the multiple radio-frequency fields to reduce the X-junction barrier for ion trap chips
Yarui Liu, Zhao Wang, Zixuan Xiang +3
With the increasing number of ion qubits and improving performance of sophisticated quantum algorithms, more and more scalable complex ion trap electrodes have been developed and i…
Efficient learning of mixed-state tomography for photonic quantum walk
Qin-Qin Wang, Shaojun Dong, Xiao-Wei Li +7
Noise-enhanced applications in open quantum walk (QW) have recently seen a surge due to their ability to improve performance. However, verifying the success of open QW is challengi…
Dephasing-assisted diffusive dynamics in superconducting quantum circuits
Yongqi Liang, Changrong Xie, Zechen Guo +21
Random fluctuations caused by environmental noise can lead to decoherence in quantum systems. Exploring and controlling such dissipative processes is both fundamentally intriguing…
Self-Consistent Determination of Single-Impurity Anderson Model Using Hybrid Quantum-Classical Approach on a Spin Quantum Simulator
Xinfang Nie, Xuanran Zhu, Yu-ang Fan +9
The accurate determination of the electronic structure of strongly correlated materials using first principle methods is of paramount importance in condensed matter physics, comput…
Experimental Realization of Self-Contained Quantum Refrigeration
Keyi Huang, Cheng Xi, Xinyue Long +7
A fundamental challenge in quantum thermodynamics is the exploration of inherent dimensional constraints in thermodynamic machines. In the context of two-level systems, the most co…
Quantum-annealing-inspired algorithms for multijet clustering
Hideki Okawa, Xian-Zhe Tao, Qing-Guo Zeng +1
Jet clustering or reconstruction is a crucial component at high energy colliders, a procedure to identify sprays of collimated particles originating from the fragmentation and hadr…
Digital simulation of zero-temperature spontaneous symmetry breaking in a superconducting lattice processor
Chang-Kang Hu, Guixu Xie, Kasper Poulsen +11
Quantum simulators are ideal platforms to investigate quantum phenomena that are inaccessible through conventional means, such as the limited resources of classical computers to ad…
Experimental sample-efficient quantum state tomography via parallel measurements
Chang-Kang Hu, Chao Wei, Chilong Liu +11
Quantum state tomography (QST) via local measurements on reduced density matrices (LQST) is a promising approach but becomes impractical for large systems. To tackle this challenge…
Direct Readout of Nitrogen-Vacancy Hybrid-Spin Quantum Register in Diamond by Photon Arrival Time Analysis
Jingyan He, Yu Tian, Zhiyi Hu +4
Quantum state readout plays a pivotal role in quantum technologies, spanning applications in sensing, computation, and secure communication. In this work, we introduce a new approa…
Certifying Quantum Temporal Correlation via Randomized Measurements: Theory and Experiment
Hongfeng Liu, Zhenhuan Liu, Shu Chen +3
We consider the certification of temporal quantum correlations using the pseudo-density matrix (PDM), an extension of the density matrix to the time domain, where negative eigenval…
Recovering optimal precision in quantum sensing with time domain imperfections
Zi-Shen Li, Xinyue Long, Xiaodong Yang +2
Quantum control plays a crucial role in enhancing precision scaling for quantum sensing. However, most existing protocols require perfect control, even though real-world devices in…
A Single-Ion Information Engine for Charging Quantum Battery
Jialiang Zhang, Pengfei Wang, Wentao Chen +12
Information engines produce mechanical work through measurement and adaptive control. For information engines, the principal challenge lies in how to store the generated work for s…
In situ mixer calibration for superconducting quantum circuits
Nan Wu, Jing Lin, Changrong Xie +17
Mixers play a crucial role in superconducting quantum computing, primarily by facilitating frequency conversion of signals to enable precise control and readout of quantum states.…
Reliability Function of Classical-Quantum Channels
Ke Li, Dong Yang
We study the reliability function of general classical-quantum channels, which describes the optimal exponent of the decay of decoding error when the communication rate is below th…
Variational Quantum Imaginary Time Evolution for Matrix Product State Ansatz with Tests on Transcorrelated Hamiltonians
Hao-En Li, Xiang Li, Jia-Cheng Huang +5
The matrix product state (MPS) ansatz offers a promising approach for finding the ground state of molecular Hamiltonians and solving quantum chemistry problems. Building on this co…
Light-induced fictitious magnetic fields for quantum storage in cold atomic ensembles
Jianmin Wang, Liang Dong, Xingchang Wang +4
In this work, we have demonstrated that optically generated fictitious magnetic fields can be utilized to extend the lifetime of quantum memories in cold atomic ensembles. All the…
Quantum harvester enables energy transfer without randomness transfer or dissipation
Fei Meng, Junhao Xu, Xiangjing Liu +1
We consider a foundational question in energy harvesting: given a partly random energy source, is it possible to extract the energy without also transferring randomness or acceptin…
Velocity Scanning Tomography for Room-Temperature Quantum Simulation
Jiefei Wang, Ruosong Mao, Xingqi Xu +9
Quantum simulation offers an analog approach for exploring exotic quantum phenomena using controllable platforms, typically necessitating ultracold temperatures to maintain the qua…
Experimental Validation of Enhanced Information Capacity by Quantum Switch in Accordance with Thermodynamic Laws
Cheng Xi, Xiangjing Liu, Hongfeng Liu +6
We experimentally probe the interplay of the quantum switch with the laws of thermodynamics. The quantum switch places two channels in a superposition of orders and may be applied…
Exploring Ground States of Fermi-Hubbard Model on Honeycomb Lattices with Counterdiabaticity
Jialiang Tang, Ruoqian Xu, Yongcheng Ding +6
Exploring the ground state properties of many-body quantum systems conventionally involves adiabatic processes, alongside exact diagonalization, in the context of quantum annealing…