Endohedral Impurities in Carbon Nanotubes
| dc.creator | Clougherty, Dennis P. | |
| dc.date | 2002-12-12 | |
| dc.date.accessioned | 2026-07-07T02:48:40Z | |
| dc.date.available | 2026-07-07T02:48:40Z | |
| dc.description | A generalization of the Anderson model that includes pseudo-Jahn-Teller impurity coupling is proposed to describe distortions of an endohedral impurity in a carbon nanotube. Treating the distortion within mean-field theory, spontaneous axial symmetry breaking is found when the vibronic coupling strength g exceeds a critical value g$_c$. The effective potential in the symmetry-broken state is found to have O(2) symmetry, in agreement with numerical calculations. For metallic zigzag nanotubes endohedrally-doped with transition metals in the dilute limit, the low-energy properties of the system may display two-channel Kondo behavior; however, strong vibronic coupling is seen to exponentially suppress the Kondo energy scale. | |
| dc.description | 4 pages, 2 figures | |
| dc.identifier | https://arxiv.org/abs/cond-mat/0212269 | |
| dc.identifier | http://arxiv.org/abs/cond-mat/0212269 | |
| dc.identifier | Phys. Rev. Lett. 90, 035507 (2003) | |
| dc.identifier | doi:10.1103/PhysRevLett.90.035507 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/20498 | |
| dc.subject | Materials Science | |
| dc.title | Endohedral Impurities in Carbon Nanotubes | |
| dc.type | text |