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Physical Review B
We present a theoretical approach for the simulation of the optical response and light propagation in aggregates and in ordered arrays of small noble-metal clusters with discrete electronic structure. We construct the Hamiltonian for the aggregate system based on the time-dependent density functional theory electronic states of the individual subunits and describe the interaction between them using the dipole approximation. The time evolution of the aggregate under the influence of the externaldoi:10.1103/physrevb.89.035433 fatcat:dngtr6rwpzabvl7yi2eim2livy