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quant-ph2026
Calibrating the Role of Entanglement in Variational Quantum Algorithms from a Geometric Perspective
Chunxiao Du, Yang Zhou, Zhichen Huang +4
Calibrating the role of entanglement in quantum algorithms is a crucial task in the development of quantum computing. Most existing studies have primarily focused on how the static…
quant-ph2026
Learning Entanglement Quasiprobability from Noisy and Incomplete Data
Yu-Zhuo Li, Li-Chao Peng, Ke-Mi Xu
Negativities in quasiprobability distributions, a foundational concept originating in quantum optics, serve as a fundamental signature of quantum nonclassicality, with entanglement…
quant-ph2026
Quantum Analog of Vicsek Model for Active Matter
Hong Yuan, L. X. Cui, L. T. Chen +1
We propose a quantum model consisting of an ensemble of overdamped spin particles with ferromagnetic couplings, driven by a radially homogeneous magnetic field. The spontaneo…