Rigorous perturbation theory versus variational methods in the spectral study of carbon nanotubes

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Abstract

Recent two-photon photo-luminescence experiments give accurate data for the ground and first excited excitonic energies at different nanotube radii. In this paper we compare the analytic approximations proved in [CDR], with a standard variational approach. We show an excellent agreement at sufficiently small radii.

Original languageEnglish
Place of PublicationAalborg
PublisherDepartment of Mathematical Sciences, Aalborg University
Number of pages10
Publication statusPublished - 2007
SeriesResearch Report Series
NumberR-2007-12
ISSN1399-2503

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