Helicity and electron-correlation effects on transport properties of double-walled carbon nanotubes

Wang, Shidong and Grifoni, Milena (2005) Helicity and electron-correlation effects on transport properties of double-walled carbon nanotubes. PHYSICAL REVIEW LETTERS, 95 (26): 266802. ISSN 0031-9007, 1079-7114

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Abstract

Starting from selection rules for intershell tunneling in double-walled nanotubes with commensurate (c-DWNTs) and incommensurate (i-DWNTs) shells, we show that for i-DWNTs the coupling is negligible between lowest energy subbands, but it becomes important as the higher subbands become populated. In turn the elastic mean-free path of i-DWNTs is reduced for increasing energy, with additional suppression at subband onsets and crossings. At low energies, a Luttinger liquid theory for DWNTs with metallic shells is derived. Interaction effects are more pronounced in i-DWNTs than in c-DWNTs.

Item Type: Article
Uncontrolled Keywords: LUTTINGER-LIQUID BEHAVIOR; INCOMMENSURABILITY;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group Milena Grifoni
Depositing User: Dr. Gernot Deinzer
Date Deposited: 12 Apr 2021 09:26
Last Modified: 12 Apr 2021 09:26
URI: https://pred.uni-regensburg.de/id/eprint/35303

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