Ohmic dissipation in a dimerized molecular chain

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

*此作品的通信作者

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2 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. The complete time and temperature dependence of exact results are studied numerically, and approximate solutions are tested against these numerical results. 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.

原文English
頁(從 - 到)13854-13857
頁數4
期刊Physical Review B
47
發行號20
DOIs
出版狀態Published - 1 一月 1993

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