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Quantum Imaginary-Time Evolution with Polynomial Resources in Time
Imaginary-time evolution is fundamental to analyzing quantum many-body systems, yet classical simulation requires exponentially growing …
Lei Zhang
,
Jizhe Lai
,
Xian Wu
,
Xin Wang
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DOI
Efficient Inversion of Unknown Unitary Operations with Structured Hamiltonians
Unknown unitary inversion is a fundamental primitive in quantum computing and physics. Although recent work has demonstrated that …
Yin Mo
,
Tengxiang Lin
,
Xin Wang
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Quantum Fidelity Estimation in the Resource Theory of Nonstabilizerness
Quantum fidelity estimation is essential for benchmarking quantum states and processes on noisy quantum devices. While stabilizer …
Zhiping Liu
,
Kun Wang
,
Xin Wang
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DOI
Quantum Recurrent Embedding Neural Network
Quantum neural networks have emerged as promising quantum machine learning models, leveraging the properties of quantum systems and …
Mingrui Jing
,
Erdong Huang
,
Xiao Shi
,
Shengyu Zhang
,
Xin Wang
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DOI
Quantum Compiler Design for Qubit Mapping and Routing: A Cross-Architectural Survey of Superconducting, Trapped-Ion, and Neutral Atom Systems
Quantum hardware development is progressing rapidly with substantial advancements achieved across leading platforms, including …
Chenghong Zhu
,
Xian Wu
,
Zhaohui Yang
,
Jingbo Wang
,
Anbang Wu
,
Shenggen Zheng
,
Xin Wang
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DOI
No-Go Theorems for Universal Quantum State Purification via Classically Simulable Operations
Quantum state purification, a process that aims to recover a state closer to a system’s principal eigenstate from multiple copies …
Keming He
,
Chengkai Zhu
,
Hongshun Yao
,
Jinguo Liu
,
Xin Wang
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DOI
Predicting symmetries of quantum dynamics with optimal samples
Identifying symmetries in quantum dynamics, such as identity or time-reversal invariance, is a crucial challenge with profound …
Masahito Hayashi
,
Yu-Ao Chen
,
Chenghong Zhu
,
Xin Wang
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DOI
Optimizer-Dependent Generalization Bound for Quantum Neural Networks
Quantum neural networks (QNNs) play a pivotal role in addressing complex tasks within quantum machine learning, analogous to classical …
Chenghong Zhu
,
Hongshun Yao
,
Yingjian Liu
,
Xin Wang
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Riemannian Optimization for Holevo Capacity
Computing the classical capacity of a noisy quantum channel is crucial for understanding the limits of communication over quantum …
Chengkai Zhu
,
Renfeng Peng
,
Bin Gao
,
Xin Wang
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Optimal Hamiltonian recognition of unknown quantum dynamics
Identifying unknown Hamiltonians from their quantum dynamics is a pivotal challenge in quantum technologies and fundamental physics. In …
Chengkai Zhu
,
Shuyu He
,
Yu-Ao Chen
,
Lei Zhang
,
Xin Wang
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