3.3k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Peking UniversityCN1.5k papers
- Chinese Academy of SciencesCN951 papers
- Institute of PhysicsPL699 papers
- Tsinghua UniversityCN654 papers
- University of Chinese Academy of SciencesCN553 papers
- State Key Laboratory of Nuclear Physics and Technology406 papers
- University of Science and Technology of ChinaCN203 papers
- Brookhaven National LaboratoryUS202 papers
- State Key Laboratory of Low-Dimensional Quantum Physics194 papers
- Nanjing UniversityCN185 papers
- Lawrence Berkeley National LaboratoryUS182 papers
- Shanghai Jiao Tong UniversityCN172 papers
228 papers · 1 filter
Dissipative ground-state preparation of a quantum spin chain on a trapped-ion quantum computer
Kazuhiro Seki, Yuta Kikuchi, Tomoya Hayata +1
We demonstrate a dissipative protocol for ground-state preparation of a quantum spin chain on a trapped-ion quantum computer. As a first step, we derive a Kraus representation of a…
Static and dynamic coherence fraction in the Bernstein-Vazirani algorithm
Si-Qi Zhou, Jin-Min Liang, Jiayin Peng +3
Quantum entanglement and coherence are crucial resources in quantum information theory. In some scenarios, however, it is not necessary to directly estimate entanglement or coheren…
Area-Law Entanglement in Quantum Chaotic System
Chunyin Chen, Sizhe Yan, Biao Wu
Entanglement entropy is a fundamental diagnostic for quantum chaos, typically exhibiting volume-law scaling in highly excited eigenstates of chaotic many-body systems. In this work…
Witnessing genuine multipartite entanglement in phase space with controlled Gaussian unitaries
Lin Htoo Zaw, Jiajie Guo, Qiongyi He +2
Many existing genuine multipartite entanglement (GME) witnesses for continuous-variable (CV) quantum systems typically rely on quadrature measurements, which are challenging to imp…
Sufficient Wigner Negativity Implies Genuine Multipartite Entanglement
Lin Htoo Zaw, Jiajie Guo, Qiongyi He +2
Wigner negativity and genuine multipartite entanglement (GME) are key nonclassical resources that enable computational advantages and broader quantum-information tasks. In this wor…
Variational quantum algorithms with invariant probabilistic error cancellation on noisy quantum processors
Yulin Chi, Hongyi Shi, Wen Zheng +8
In the noisy intermediate-scale quantum era, emerging classical-quantum hybrid optimization algorithms, such as variational quantum algorithms (VQAs), can leverage the unique chara…
Observation of modulation-induced Feshbach resonance
Tongkang Wang, Yuqi Liu, Jundong Wang +4
In this work, we observe a novel resonant mechanism, namely the modulation-induced Feshbach resonance. By applying a far-detuned laser to the cesium D2 transition with intensity mo…
One-Sided Device-Independent Random Number Generation Through Fiber Channels
Jinfang Zhang, Yi Li, Mengyu Zhao +7
Randomness is an essential resource and plays important roles in various applications ranging from cryptography to simulation of complex systems. Certified randomness from quantum…
Real randomized measurements for analyzing properties of quantum states
Jin-Min Liang, Satoya Imai, Shuheng Liu +3
Randomized measurements are useful for analyzing quantum systems especially when quantum control is not fully perfect. However, their practical realization typically requires multi…
Necessary and Sufficient Condition for Randomness Certification from Incompatibility
Yi Li, Yu Xiang, Jordi Tura +1
Quantum randomness can be certified from probabilistic behaviors demonstrating Bell nonlocality or Einstein-Podolsky-Rosen steering, leveraging outcomes from uncharacterized device…
Randomness versus Nonlocality in Multi-input and Multi-output Quantum Scenario
Chao Zhang, Yi Li, Xiao-Min Hu +7
Device-independent randomness certification based on Bell nonlocality does not require any assumptions about the devices and therefore provides adequate security. Great effort has…
Classifying Multipartite Continuous Variable Entanglement Structures through Data-augmented Neural Networks
Xiaoting Gao, Mingsheng Tian, Feng-Xiao Sun +3
Neural networks have emerged as a promising paradigm for quantum information processing, yet they confront the challenge of generating training datasets with sufficient size and ri…
Imaginary Hamiltonian variational ansatz for combinatorial optimization problems
Xiaoyang Wang, Yahui Chai, Xu Feng +3
Obtaining exact solutions to combinatorial optimization problems using classical computing is computationally expensive. The current tenet in the field is that quantum computers ca…
Non-Hermitian Delocalization Induced by Residue Imaginary Velocity
Shi-Xin Hu, Yong-Xu Fu, Yi Zhang
The dichotomy of localization versus delocalization is a historic topic central to quantum and condensed matter physics. We discover a new delocalization mechanism attributed to a…
Dissolution of the non-Hermitian skin effect in one-dimensional lattices with linearly varying nonreciprocal hopping
Bo Hou, Han Xiao, Rong Lü +1
We study the one-dimensional non-Hermitian lattices with linearly varying nonreciprocal hopping, where the non-Hermitian skin effect (NHSE) is found to be dissolved gradually as th…
Faithful geometric measures for genuine tripartite entanglement
Xiaozhen Ge, Lijun Liu, Yong Wang +4
We present a faithful geometric picture for genuine tripartite entanglement of discrete, continuous, and hybrid quantum systems. We first find that the triangle relation $\mathcal{…
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.…
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…
Correlation-pattern-based Continuous-variable Entanglement Detection through Neural Networks
Xiaoting Gao, Mathieu Isoard, Fengxiao Sun +5
Entanglement in continuous-variable non-Gaussian states provides irreplaceable advantages in many quantum information tasks. However, the sheer amount of information in such states…
Assisted metrology and preparation of macroscopic superpositions with split spin-squeezed states
Jiajie Guo, Fengxiao Sun, Qiongyi He +1
We analyse the conditional states in which one part of a split spin-squeezed state is left, upon performing a collective spin measurement on the other part. For appropriate measure…
Quantum Hamiltonian Algorithms for Maximum Independent Sets
Xianjue Zhao, Peiyun Ge, Hongye Yu +3
With qubits encoded into atomic ground and Rydberg states and situated on the vertexes of a graph, the conditional quantum dynamics of Rydberg blockade, which inhibits simultaneous…
No Strings Attached: Boundaries and Defects in the Cubic Code
Cory T. Aitchison, Daniel Bulmash, Arpit Dua +2
Haah's cubic code is the prototypical type-II fracton topological order. It instantiates the no string-like operator property that underlies the favorable scaling of its code dista…
Universal Quantum Optimization with Cold Atoms in an Optical Cavity
Meng Ye, Ye Tian, Jian Lin +6
Cold atoms in an optical cavity have been widely used for quantum simulations of many-body physics, where the quantum control capability has been advancing rapidly in recent years.…