Charge Transfer on a Two-Dimensional Lattice with Tamm States

被引：0
|
作者：
V. N. Likhachev
G. A. Vinogradov
机构：
[1] Emanuel Institute of Biochemical Physics,
[2] RAS,undefined
来源：
Theoretical and Mathematical Physics | 2019年 / 198卷
关键词：
Tamm state; charge transfer; quantum dynamics;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We consider the quantum dynamics of charge propagation over a two-dimensional lattice with impurity sites at the lattice edges. These sites simulate boundary (Tamm) states. We solve the nonstationary problem of the evolution of a quantum excitation over impurity sites at the lattice perimeter in the tightbinding approximation. We obtain the solution as an expansion in eigenfunctions of the unperturbed system Hamiltonian. We obtain analytically accurate results for the propagation of the wave function over impurity sites.
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页码：376 / 391
页数：15
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