Exact asymptotics for dissipative quantum tunneling

Ten-Ming Wu*, David W. Brown, Katja Lindenberg

*此作品的通信作者

研究成果: Article同行評審

8 引文 斯高帕斯(Scopus)

摘要

We analyze a simple model of quantum tunneling in a dimerized lattice characteristic of those in which solid-state excimers have been observed. The model we pose proves to be exactly diagonalizable, allowing the time dependence of tunneling within a molecular pair to be determined to quadrature. A straightforward analysis allows the short- and long-time asymptotic behavior to be specified exactly. Oscillatory decay of a localized initial distribution toward a delocalized final distribution is found at both finite and zero temperature. The decay envelope at finite temperatures is eventually exponential, while that found at zero temperature is eventually power law. Localization is not found.

原文English
頁(從 - 到)445-451
頁數7
期刊Chemical Physics
146
發行號3
DOIs
出版狀態Published - 1 十月 1990

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