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quant-ph2017★ 7 cited
Witnessing a Poincaré recurrence with Mathematica
J. M. Zhang, Y. Liu
The often elusive Poincaré recurrence can be witnessed in a completely separable system. For such systems, the problem of recurrence reduces to the classic mathematical problem of…
quant-ph2016★ 51 cited
Fermi's golden rule: its derivation and breakdown by an ideal model
J. M. Zhang, Y. Liu
Fermi's golden rule is of great importance in quantum dynamics. However, in many textbooks on quantum mechanics, its contents and limitations are obscured by the approximations and…