23 citations · 34 across the 13 of their papers we have counts for
14 papers
Agent-assisted experimental strategy transfer across quantum processors
Shi-Yao Hou, Zipeng Wu, Chao Zhang +3
Progress in quantum hardware requires a growing volume of experiments across diverse devices, straining the capacity of human experts. Automation remains challenging because device…
Universal entanglement detection with geometrically optimal witnesses
Xuanran Zhu, Keyi Huang, Chao Zhang +3
Constructing optimal entanglement witnesses for arbitrary quantum systems remains a formidable challenge, hindered by the structural complexity of high-dimensional quantum state sp…
Learning to Decode Concatenated Quantum Codes with Hierarchical Message Passing
Jiahui Wu, Chao Zhang, Zipeng Wu +1
We introduce a neural message-passing framework for decoding general concatenated stabilizer codes. Soft beliefs propagate bidirectionally across concatenation levels, and lightwei…
Bidirectional Decoding for Concatenated Quantum Hamming Codes
Chao Zhang, Zipeng Wu, Jiahui Wu +1
High-rate concatenated quantum codes offer a promising pathway toward fault-tolerant quantum computation, yet designing efficient decoders that fully exploit their error-correction…
Transversal Gates in Nonadditive Quantum Codes
Chao Zhang, Zipeng Wu, Shilin Huang +1
Transversal gates play a crucial role in suppressing error propagation in fault-tolerant quantum computation, yet they are intrinsically constrained: any nontrivial code encoding a…
Investigating Pure State Uniqueness in Tomography via Optimization
Jiahui Wu, Zheng An, Chao Zhang +3
Quantum state tomography (QST) is crucial for understanding and characterizing quantum systems through measurement data. Traditional QST methods face scalability challenges, requir…
Perturbational Decomposition Analysis for Quantum Ising Model with Weak Transverse Fields
Youning Li, Junfeng Huang, Chao Zhang +1
This work presented a perturbational decomposition method for simulating quantum evolution under the one-dimensional Ising model with both longitudinal and transverse fields. By tr…
Application of Large Language Models to Quantum State Simulation
Shuangxiang Zhou, Ronghang Chen, Zheng An +1
Quantum computers leverage the unique advantages of quantum mechanics to achieve acceleration over classical computers for certain problems. Currently, various quantum simulators p…
Characterizing Quantum Codes via the Coefficients in Knill-Laflamme Conditions
Mengxin Du, Chao Zhang, Yiu-Tung Poon +1
Quantum error correction (QEC) is essential for protecting quantum information against noise, yet understanding the structure of the Knill-Laflamme (KL) coefficients from…
Unified Framework for Calculating Convex Roof Resource Measures
Xuanran Zhu, Chao Zhang, Zheng An +1
Quantum resource theories (QRTs) provide a comprehensive and practical framework for the analysis of diverse quantum phenomena. A fundamental task within QRTs is the quantification…
Quantifying subspace entanglement with geometric measures
Xuanran Zhu, Chao Zhang, Bei Zeng
Determining whether a subspace spanned by certain quantum states is entangled and its entanglement dimensionality remains a fundamental challenge in quantum information science. Th…
Tapping into Permutation Symmetry for Improved Detection of k-Symmetric Extensions
Youning Li, Chao Zhang, Shi-Yao Hou +3
Symmetric extensions are essential in quantum mechanics, providing a lens to investigate the correlations of entangled quantum systems and to address challenges like the quantum ma…
Variational learning algorithms for quantum query complexity
Zipeng Wu, Shi-Yao Hou, Chao Zhang +2
Quantum query complexity plays an important role in studying quantum algorithms, which captures the most known quantum algorithms, such as search and period finding. A query algori…
Quantum variational learning for quantum error-correcting codes
Chenfeng Cao, Chao Zhang, Zipeng Wu +2
Quantum error correction is believed to be a necessity for large-scale fault-tolerant quantum computation. In the past two decades, various constructions of quantum error-correctin…