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Ao-Xiang Liu

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Open access Oct 2026

Resource‐Aware Quantum Control Under Noise: Deterministic Protocols and Deep Reinforcement Learning

We numerically compare quantum‐control strategies for few‐qubit systems under representative open‐system noise and limited control resources. The protocols include shaped pulses, dynamical‐decoupling‐inspired sequences, hybrid QEC‐DD correction, Floquet and Lyapunov control, and deep reinforcement learning (DRL). We...

Atta ur Rahman, M. Abd-Rabbou, Ao-Xiang Liu et al. · 0 citations
Preprint Sep 2026

Radial Coarse Graining Restores Vacuum Majorization in Wigner Phase Space

Quantum uncertainty limits how strongly Wigner functions can concentrate in phase space. It is commonly conjectured that the vacuum Wigner function continuously majorizes that of any Wigner-positive state. However, by constructing Wigner-positive states whose localized quantum coherence lowers their Wigner entropy belo...

Ao-Xiang Liu, Cong-Feng Qiao · 0 citations

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