Superconducting instability in three-band metallic nanotubes

Abstract : Motivated by recent experiments on small radius nanotubes, we study the superconducting instabilities of cylindrical (5,0) nanotubes. According to band-structure calculations, these nanotubes possess three bands at the Fermi energy. Using a Fermionic renormalization-group approach and a careful Bosonization treatment, we consider the effect of different attractive interactions, mediated by phonons, within the Luttinger liquid framework. We particularly focus on a superconducting instability specific to the three-band model we consider for the description of these (5,0) cylindrical nanotubes.
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Submitted on : Tuesday, October 24, 2006 - 4:17:47 PM
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David Carpentier, Edmond Orignac. Superconducting instability in three-band metallic nanotubes. Physical Review B : Condensed matter and materials physics, American Physical Society, 2006, 74 (8), pp.085409. ⟨10.1103/PhysRevB.74.085409⟩. ⟨ensl-00109517⟩



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