Abstract
Using a selfconsistent scattering-theory approach, the local field inside a mesoscopic tip interacting with a number of point dipoles placed on top of a flat surface is studied. For tips exhibiting quantum size effects it is demonstrated how the basic integral equation for the local field can be transformed into a physically appealing set of linear algebraic equations among the relative strengths of the fields generated by the quantum transitions in the mesoscopic tip. The eigenmode resonances and the multipole dynamics of the system are investigated. Quantum tips consisting of subparticles without wavefunction overlap are studied, and it is shown that the present theory in the appropriate limit contains the results of previously established phenomenological point-particle models.
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© 1993 Springer Science+Business Media Dordrecht
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Keller, O. (1993). Optical Near-Field Interaction: On The Local Field Inside a Quantum Tip. In: Pohl, D.W., Courjon, D. (eds) Near Field Optics. NATO ASI Series, vol 242. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1978-8_44
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DOI: https://doi.org/10.1007/978-94-011-1978-8_44
Publisher Name: Springer, Dordrecht
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