Spontaneous decay of excited atomic states near a carbon nanotube
classification
❄️ cond-mat.mes-hall
keywords
decaynanotubespontaneoussurfaceatomatomicbeencarbon
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Spontaneous decay process of an excited atom placed inside or outside (near the surface) a carbon nanotube is analyzed. Calculations have been performed for various achiral nanotubes. The effect of the nanotube surface has been demonstrated to dramatically increase the atomic spontaneous decay rate -- by 6 to 7 orders of magnitude compared with that of the same atom in vacuum. Such an increase is associated with the nonradiative decay via surface excitations in the nanotube.
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