Perturbative vs. variational methods in the study of carbon nanotubes

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.
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Contributor : Benjamin Ricaud <>
Submitted on : Tuesday, May 1, 2007 - 1:43:23 PM
Last modification on : Friday, August 23, 2019 - 3:20:03 PM
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Horia Cornean, Thomas Pedersen, Benjamin Ricaud. Perturbative vs. variational methods in the study of carbon nanotubes. Contemporary mathematics, American Mathematical Society, 2007, 447, pp.45-55. ⟨hal-00023783v2⟩

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