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quant-ph2026
Fast mixing of the SYK model at high temperatures
Yiyi Cai, Yongtao Zhan, Alexander Zlokapa
The Sachdev-Ye-Kitaev (SYK) model is a strongly interacting fermionic system. Its dynamics are difficult to analyze with Lieb-Robinson bounds and cluster expansions due to its all-…
quant-ph2026
Optimal Tolerant Testing of Lindbladian Dissipation
Jinge Bao, Yiyi Cai, Zhong-Xia Shang
Quantifying dissipation is essential for controlling quantum noise and characterizing open-system dynamics. In practical experimental settings, residual noise may still persist des…
quant-ph2026
Optimal detection of dissipation in Lindbladian dynamics
Yiyi Cai
Experimental implementations of Hamiltonian dynamics are often affected by dissipative noise arising from interactions with the environment. This raises the question of whether one…