Perturbative vs. variational methods in the study of carbon nanotubes

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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
Title of host publicationContemporary Mathematics
EditorsDennis Deturck
Number of pages11
PublisherAmerican Mathematical Society
Publication date2007
ISBN (Print)9780821842416
Publication statusPublished - 2007

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