Exciton-exciton scattering in a one-dimensional J aggregate

被引：9
作者：
Abramavicius, D. [1 ,2 ]
机构：
[1] Jilin Univ, State Key Lab Supramol Struct & Mat, Changchun 130012, Peoples R China
[2] Vilnius State Univ, Dept Theoret Phys, LT-10222 Vilnius, Lithuania
来源：
EPL | 2013年 / 101卷 / 05期
关键词：
SPECTROSCOPY; DISORDER; DELOCALIZATION;
D O I：
10.1209/0295-5075/101/57007
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The exciton scattering approach is applied to describe an exciton-exciton interaction problem in an excitonic linear aggregate. An analytic expression for the scattering amplitude is derived for an infinite periodic system. The result allows to obtain a typical spectral lineshape of the main resonance of the J aggregate in the coherent third-order two-dimensional spectra. The obtained functional form of the scattering allows to suggest a universal expression of the scattering amplitude for delocalized excitons in realistic systems. Copyright (C) EPLA, 2013
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页数：6
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