Plasmons in Chains of Spherical Nanoparticles with the Account of All Pairwise Interactions
The excitation of the electromagnetic field in the chain of spherical metal nanoparticles by an arbitrary finite source is considered with the account of interactions of all nanoparticles. The contributions of plasmons and waves having the nonexponential spatial field dependence are distinguished. The dispersion of plasmon solutions is determined. The solution of the problem of summation of the diverging sum appearing when the local field is calculated is demonstrated.
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