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quant-ph2025
Hybrid Brownian SYK-Hubbard Model: from Spectral Function to Quantum Chaos
Ning Sun, Peng Zhang, Pengfei Zhang
Understanding the emergence of complex correlations in strongly interacting systems remains a fundamental challenge in quantum many-body physics. One fruitful approach is to develo…
quant-ph2025
Exact Relation Between Wehrl-Rényi Entropy and Many-Body Entanglement
Pengfei Zhang, Chen Xu, Peng Zhang
Quantum entanglement is key to understanding correlations and emergent phenomena in quantum many-body systems. For qubits (distinguishable spin- particles) in a pure quant…
quant-ph2025
Bayesian Interpretation of Husimi Function and Wehrl Entropy
Chen Xu, Yiqi Yu, Peng Zhang
Husimi function (Q-function) of a quantum state is the distribution function of the density operator in the coherent state representation. It is widely used in theoretical research…