Abstract
Based on nonempirical calculations of the Au32 cluster, it is found that excited states from which only the quadrupole transition to the ground state is possible arise upon excitation of gold nanoparticles by photons with energies exceeding the minimum energy gap between occupied and vacant states. The possible role of such transitions in lasing of the nanoscale laser called the spaser is discussed.
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Original Russian Text © V.G. Yarzhemskii, M.A. Kazaryan, E.N. Murav’ev, 2012, published in Kratkie Soobshcheniya po Fizike, 2012, Vol. 39, No. 9, pp. 13–17.
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Yarzhemskii, V.G., Kazaryan, M.A. & Murav’ev, E.N. Electronic structure and optical properties of gold nanoparticles. Bull. Lebedev Phys. Inst. 39, 254–256 (2012). https://doi.org/10.3103/S1068335612090023
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DOI: https://doi.org/10.3103/S1068335612090023