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quant-ph2023★ 2 cited
Lee-Yang zeros and quantum Fisher information matrix in a nonlinear system
Hong Tao, Yuguo Su, Xingyu Zhang +2
The distribution of Lee-Yang zeros not only matters in thermodynamics and quantum mechanics, but also in mathematics. Hereby we propose a nonlinear quantum toy model and discuss th…
quant-ph2023★ 19 cited
Quantum speed limit for complex dynamics
Mao Zhang, Huai-Ming Yu, Jing Liu
Quantum speed limit focuses on the minimum time scale for a fixed mission and hence is important in quantum information where fast dynamics is usually beneficial. Most existing too…