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quant-ph2026
An ETH-ansatz-motivated environmental-branch approach to open quantum systems
Wen-ge Wang
In this paper, a method is developed for the study of a generic small central quantum system, which is locally coupled to an environment as a many-body quantum chaotic system that…
quant-ph2025
An operator-Weyl-symbol approach to eigenstate thermalization hypothesis
Xiao Wang, Wen-ge Wang
In this letter, by an approach that employs Weyl symbols for operators, a semiclassical theory is developed for the offdiagonal function in the eigenstate thermalization hypothesis…