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
31 papers · 2 filters
Proposals for ruling out the real quantum theories in an entanglement-swapping quantum network with causally independent sources
Jian Yao, Hu Chen, Ya-Li Mao +2
The question of whether complex numbers play a fundamental role in quantum theory has been debated since the inception of quantum mechanics. Recently, a feasible proposal to differ…
Quantum walks advantage on the dihedral group for uniform sampling problem
Shyam Dhamapurkar, Yuhang Dang, Saniya Wagh +1
Random walk algorithms are crucial for sampling and approximation problems in statistical physics and theoretical computer science. The mixing property is necessary for Markov chai…
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…
Inferring the arrow of time in quantum spatiotemporal correlations
Xiangjing Liu, Qian Chen, Oscar Dahlsten
We consider how to tell the time-ordering associated with measurement data from quantum experiments at two times and any number of qubits. We define an arrow of time inference prob…
Room-Temperature entangled quantum processor on integrated semiconductor photonics platform
Haibo Hu, Yu Zhou, Ailun Yi +9
The rise of the 4H-silicon-carbide-on-insulator (SiCOI) platform marks a promising pathway towards the realization of monolithic quantum photonic networks. However, the challenge o…
Berry Curvature and Bulk-Boundary Correspondence from Transport Measurement for Photonic Chern Bands
Chao Chen, Run-Ze Liu, Jizhou Wu +12
Berry curvature is a fundamental element to characterize topological quantum physics, while a full measurement of Berry curvature in momentum space was not reported for topological…
Error-mitigated fermionic classical shadows on noisy quantum devices
Bujiao Wu, Dax Enshan Koh
Efficiently estimating fermionic Hamiltonian expectation values is vital for simulating various physical systems. Classical shadow (CS) algorithms offer a solution by reducing the…
Quantum state tomography with disentanglement algorithm
Juan Yao
In this work, we report on a novel quantum state reconstruction process based on the disentanglement algorithm. Using variational quantum circuits, we disentangle the quantum state…
Quantum walk mixing is faster than classical on periodic lattices
Shyam Dhamapurkar, Xiu-Hao Deng
This work focuses on the quantum mixing time, which is crucial for efficient quantum sampling and algorithm performance. We extend Richter's previous analysis of continuous time qu…
Accelerating Relaxation Dynamics in Open Quantum System with Liouvillian Skin Effect
Zeqing Wang, Yao Lu, Yi Peng +3
We investigate a non-Hermitian model featuring non-reciprocal gradient hoppings. Through an in-depth analysis of the Liouvillian spectrum and dynamics, we confirm the emergence of…
Autonomous Stabilization of Fock States in an Oscillator against Multiphoton Losses
Sai Li, Zhongchu Ni, Libo Zhang +8
Fock states with a well-defined number of photons in an oscillator have shown a wide range of applications in quantum information science. Nonetheless, their usefulness has been ma…
Randomness-enhanced expressivity of quantum neural networks
Yadong Wu, Juan Yao, Pengfei Zhang +1
As a hybrid of artificial intelligence and quantum computing, quantum neural networks (QNNs) have gained significant attention as a promising application on near-term, noisy interm…
Spatial-spectral mapping to prepare the frequency entangled qudits
Zi-Xiang Yang, Zi-Qi Zeng, Ying Tian +5
Entangled qudits, the high-dimensional entangled states, play an important role in the study of quantum information. How to prepare entangled qudits in an efficient and easy-to-ope…
Multi-Level Variational Spectroscopy using a Programmable Quantum Simulator
Zhikun Han, Chufan Lyu, Yuxuan Zhou +17
Energy spectroscopy is a powerful tool with diverse applications across various disciplines. The advent of programmable digital quantum simulators opens new possibilities for condu…
Quantum-enhanced metrology with large Fock states
Xiaowei Deng, Sai Li, Zi-Jie Chen +11
Quantum metrology uses non-classical states, such as Fock states with a specific number of photons, to achieve an advantage over classical sensing methods. Typically, quantum metro…
Information compression via hidden subgroup quantum autoencoders
Feiyang Liu, Kaiming Bian, Fei Meng +2
We design a quantum method for classical information compression that exploits the hidden subgroup quantum algorithm. We consider sequence data in a database with a priori unknown…
Unification of spatiotemporal quantum formalisms: mapping between process and pseudo-density matrices via multiple-time states
Xiangjing Liu, Zhian Jia, Yixian Qiu +2
We consider the relation between three different approaches to defining quantum states across several times and locations: the pseudo-density matrix (PDM), the process matrix, and…
Neural Network Approach to the Simulation of Entangled States with One Bit of Communication
Peter Sidajaya, Aloysius Dewen Lim, Baichu Yu +1
Bell's theorem states that Local Hidden Variables (LHVs) cannot fully explain the statistics of measurements on some entangled quantum states. It is natural to ask how much supplem…
Quantum walks as thermalizations, with application to fullerene graphs
Shyam Dhamapurkar, Oscar Dahlsten
We consider to what extent quantum walks can constitute models of thermalization, analogously to how classical random walks can be models for classical thermalization. In a quantum…
Interaction-induced topological pumping in a solid-state quantum system
Ziyu Tao, Wenhui Huang, Jingjing Niu +24
As the basis for generating multi-particle quantum correlations, inter-particle interaction plays a crucial role in collective quantum phenomena, quantum phase transitions, and qua…
Noisy intermediate-scale quantum computers
Bin Cheng, Xiu-Hao Deng, Xiu Gu +18
Quantum computers have made extraordinary progress over the past decade, and significant milestones have been achieved along the path of pursuing universal fault-tolerant quantum c…
Optical coherence properties of Kramers' rare-earth ions at the nanoscale for quantum applications
Mohammed K. Alqedra, Chetan Deshmukh, Shuping Liu +12
Rare-earth (RE) ion doped nano-materials are promising candidates for a range of quantum technology applications. Among RE ions, the so-called Kramers' ions possess spin transition…
Testing Genuine Multipartite Nonlocality via an Inflated Network with Multi-copy Entangled States
Qian-Xi Zhang, Ming-Xing Luo, Ya-Li Mao +6
Understanding the nonlocality of multipartite quantum systems provides valuable insights into their behaviors and potential applications. In this Letter, assuming a quantum network…
Quantum Causal Inference with Extremely Light Touch
Xiangjing Liu, Yixian Qiu, Oscar Dahlsten +1
We give a causal inference scheme using quantum observations alone for a case with both temporal and spatial correlations: a bipartite quantum system with measurements at two times…