7 papers
Learned-projector QAOA for hierarchical optimization
Kangyun Zhou, Dong An, Jin-Peng Liu
Many optimization problems reveal inexpensive structural information before requiring costly final evaluation, whereas the conventional quantum approximate optimization algorithm (…
A quantum-assisted framework for PDE-based Bayesian inverse problems
Dong An, Yinan Li, Pucheng Tang +1
Quantum computing offers potential advantages for solving partial differential equations (PDEs). However, most existing quantum PDE solvers primarily focus on preparing quantum sta…
Fast Nondestructive Readout for High-Clock-Rate Atom Array Quantum Processor
Xu-Zhao-Qiu Zeng, Chang You, Qing-Wei Wang +18
Neutral-atom arrays have rapidly advanced to support thousands of qubits and execute high-fidelity logical operations. However, these processors remain severely throttled by their…
Quantum simulation of real-world nonlinear dynamics via Koopman method
Baoyang Zhang, Dong An, Zhaoyuan Meng +4
Nonlinear dynamics is ubiquitous in nature, ranging from chemical pattern formation to ocean circulation, yet its simulation on quantum computers is fundamentally limited by the un…
Efficient Quantum Simulation for Nonlinear Stochastic Differential Equations
Xiangyu Li, Ahmet Burak Catli, Ho Kiat Lim +4
Nonlinear stochastic differential equations (NSDEs) are a pillar of mathematical modeling for scientific and engineering applications. Accurate and efficient simulation of large-sc…
Ensemble-Based Quantum Signal Processing for Error Mitigation
Suying Liu, Yulong Dong, Dong An +1
Despite rapid advances in quantum hardware, noise remains a central obstacle to deploying quantum algorithms on near-term devices. In particular, random coherent errors that accumu…
Feedforward Quantum Singular Value Transformation
Yulong Dong, Dong An, Murphy Yuezhen Niu
In this paper, we introduce a major advancement in Quantum Singular Value Transformation (QSVT) through the development of Feedforward QSVT (FQSVT), a framework that significantly…