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Kondo effect in a carbon nanotube with spin-orbit interaction and valley mixing: A DM-NRG study

Mantelli, Davide, Moca, Catalin Pascu, Zarand, Gergely and Grifoni, Milena (2016) Kondo effect in a carbon nanotube with spin-orbit interaction and valley mixing: A DM-NRG study. Physica E: Low-dimensional Systems and Nanostructures 77, 180 - 190. (In Press)

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Abstract

We investigate the effects of spin–orbit interaction (SOI) and valley mixing on the transport and dynamical properties of a carbon nanotube (CNT) quantum dot in the Kondo regime. As these perturbations break the pseudo-spin symmetry in the CNT spectrum but preserve time-reversal symmetry, they induce a finite splitting Δ between formerly degenerate Kramers pairs. Correspondingly, a crossover from ...

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Item type:Article
Date:March 2016
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group Milena Grifoni
Projects:GRK 1570, Elektronische Eigenschaften von Nanostrukturen auf Kohlenstoff-Basis, OTKA K105149, National Science Foundation Grant PHY-1066293
Identification Number:
ValueType
arXiv:1507.05440v1arXiv ID
Keywords:Kondo effect, Carbon nanotubes, Strong coupling,Density matrix numerical renormalization group
Dewey Decimal Classification:500 Science > 530 Physics
Status:In Press
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Partially
Item ID:33012
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