Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Chinese Academy of SciencesCN2.9k papers
- Centre National de la Recherche ScientifiqueFR2.7k papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT2.6k papers
- Institute of High Energy PhysicsCN2.6k papers
- University of Science and Technology of ChinaCN2.5k papers
- Peking UniversityCN2.4k papers
- University of Chinese Academy of SciencesCN2.3k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di Roma IIT2.3k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR2.3k papers
- Rutherford Appleton LaboratoryGB2.2k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di GenovaIT2.2k papers
- European Organization for Nuclear ResearchCH2.2k papers
91 papers · 2 filters
Robust Estimation of Nonlinear Properties of Quantum Processes
Yuqing Wang, Guoding Liu, Zhenhuan Liu +3
Accurate and robust estimation of quantum process properties is crucial for quantum information processing and quantum many-body physics. Combining classical shadow tomography and…
Extracting Error Thresholds through the Framework of Approximate Quantum Error Correction Condition
Yuanchen Zhao, Dong E. Liu
The robustness of quantum memory against physical noises is measured by two methods: the exact and approximate quantum error correction (QEC) conditions for error recoverability, a…
Joint Estimation of a Two-Phase Spin Rotation beyond Classical Limit
Jiahao Cao, Xinwei Li, Tianwei Mao +2
Quantum metrology employs entanglement to enhance measurement precision. The focus and progress so far have primarily centered on estimating a single parameter. In diverse applicat…
Efficient fault-tolerant implementations of non-Clifford gates with reconfigurable atom arrays
Yi-Fei Wang, Yixu Wang, Yu-An Chen +6
To achieve scalable universal quantum computing, we need to implement a universal set of logical gates fault-tolerantly, for which the main difficulty lies with non-Clifford gates.…
Complexity of Digital Quantum Simulation in the Low-Energy Subspace: Applications and a Lower Bound
Weiyuan Gong, Shuo Zhou, Tongyang Li
Digital quantum simulation has broad applications in approximating unitary evolution of Hamiltonians. In practice, many simulation tasks for quantum systems focus on quantum states…
One Gate Scheme to Rule Them All: Introducing a Complex Yet Reduced Instruction Set for Quantum Computing
Jianxin Chen, Dawei Ding, Weiyuan Gong +2
The design and architecture of a quantum instruction set are paramount to the performance of a quantum computer. This work introduces a gate scheme for qubits with coupling…
Entanglement generation via single-qubit rotations in a torn Hilbert space
Tao Zhang, Zhihao Chi, Jiazhong Hu
We propose an efficient yet simple protocol to generate arbitrary symmetric entangled states with only global single-qubit rotations in a torn Hilbert space. The system is based on…
Locally purified density operators for noisy quantum circuits
Yuchen Guo, Shuo Yang
Simulating open quantum systems is essential for exploring novel quantum phenomena and evaluating noisy quantum circuits. In this Letter, we address the problem of whether mixed st…
Realization of programmable Ising models in a trapped-ion quantum simulator
Yao Lu, Wentao Chen, Shuaining Zhang +4
A promising paradigm of quantum computing for achieving practical quantum advantages is quantum annealing or quantum approximate optimization algorithm, where the classical problem…
A Site-Resolved 2D Quantum Simulator with Hundreds of Trapped Ions
S. -A. Guo, Y. -K. Wu, J. Ye +16
A large qubit capacity and an individual readout capability are two crucial requirements for large-scale quantum computing and simulation. As one of the leading physical platforms…
Dynamical Transition due to Feedback-induced Skin Effect
Ze-Chuan Liu, Kai Li, Yong Xu
The traditional dynamical phase transition refers to the appearance of singularities in an observable with respect to a control parameter for a late-time state or singularities in…
Quantum Langevin Dynamics for Optimization
Zherui Chen, Yuchen Lu, Hao Wang +2
We initiate the study of utilizing Quantum Langevin Dynamics (QLD) to solve optimization problems, particularly those non-convex objective functions that present substantial obstac…
The Evolution of Quantum Secure Direct Communication: On the Road to the Qinternet
Dong Pan, Gui-Lu Long, Liuguo Yin +5
Communication security has to evolve to a higher plane in the face of the threat from the massive computing power of the emerging quantum computers. Quantum secure direct communica…
Symbolic Execution for Quantum Error Correction Programs
Wang Fang, Mingsheng Ying
We define QSE, a symbolic execution framework for quantum programs by integrating symbolic variables into quantum states and the outcomes of quantum measurements. The soundness of…
Realization of a programmable multi-purpose photonic quantum memory with over-thousand qubit manipulations
Sheng Zhang, Jixuan Shi, Zhaibin Cui +4
Quantum networks can enable various applications such as distributed quantum computing, long-distance quantum communication, and network-based quantum sensing with unprecedented pe…
Clifford operations and homological codes for rotors and oscillators
Yijia Xu, Yixu Wang, Victor V. Albert
We develop quantum information processing primitives for the planar rotor, the state space of a particle on a circle. By interpreting rotor wavefunctions as periodically identified…
Gate-Compatible Circuit Quantum Electrodynamics in a Three-Dimensional Cavity Architecture
Zezhou Xia, Jierong Huo, Zonglin Li +14
Semiconductor-based superconducting qubits offer a versatile platform for studying hybrid quantum devices in circuit quantum electrodynamics (cQED) architecture. Most of these cQED…
Fast Generation of GHZ-like States Using Collective-Spin XYZ Model
Xuanchen Zhang, Zhiyao Hu, Yong-Chun Liu
The Greenberger-Horne-Zeilinger (GHZ) state is a key resource for quantum information processing and quantum metrology. The atomic GHZ state can be generated by one-axis twisting (…
Absence of barren plateaus in finite local-depth circuits with long-range entanglement
Hao-Kai Zhang, Shuo Liu, Shi-Xin Zhang
Ground state preparation is classically intractable for general Hamiltonians. On quantum devices, shallow parameterized circuits can be effectively trained to obtain short-range en…
Quantum Sensing with Topological-Paired Bound States
Tao Zhang, Peng Xu, Jiazhong Hu +1
We present an efficient and robust protocol for quantum-enhanced sensing using a single qubit in the topological waveguide system. Our method relies on the topological-paired bound…
Steady-state topological order
Xu-Dong Dai, Zijian Wang, He-Ran Wang +1
We investigate a generalization of topological order from closed systems to open systems, for which the steady states take the place of ground states. We construct typical lattice…
State independent QKD
Robert Kindler, Johannes Handsteiner, Jaroslav Kysela +3
We present an adaptive procedure for aligning quantum non-locality experiments without any knowledge of the two-qudit state shared by the participating parties. The quantum state p…
Learning quantum states and unitaries of bounded gate complexity
Haimeng Zhao, Laura Lewis, Ishaan Kannan +3
While quantum state tomography is notoriously hard, most states hold little interest to practically-minded tomographers. Given that states and unitaries appearing in Nature are of…
Quantum Lego and XP Stabilizer Codes
Ruohan Shen, Yixu Wang, ChunJun Cao
We apply the recent graphical framework of "Quantum Lego" to XP stabilizer codes where the stabilizer group is generally non-Abelian. We show that the idea of operator matching con…