Exact results on linear response of cyclic molecular aggregates
A. V. Ilinskaia, K. N. Ilinski, G. V. Kalinin, V. V. Melezhik, A. S. Stepanenko
Abstract
Basing on the picture of Frenkel excitons in molecular crystals described by the XY-model we consider the linear response of linear cyclic aggregates at finite temperature. The exact results for characteristics of the response are obtained. In particular, we calculate time-dependent two-point correlation functions at finite temperature for the cyclic 1-D XY-model.
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