Tunable Kondo physics in a carbon nanotube double quantum dot
Phys. Rev. Lett. 109, 156804 (2012) We investigate a tunable two-impurity Kondo system in a strongly correlated carbon nanotube double quantum dot, accessing the full range of charge regimes. In the regime where both dots contain an unpaired electron, the system approaches the two-impurity Kondo mod...
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17-09-2012
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| Abstract | Phys. Rev. Lett. 109, 156804 (2012) We investigate a tunable two-impurity Kondo system in a strongly correlated
carbon nanotube double quantum dot, accessing the full range of charge regimes.
In the regime where both dots contain an unpaired electron, the system
approaches the two-impurity Kondo model. At zero magnetic field the interdot
coupling disrupts the Kondo physics and a local singlet state arises, but we
are able to tune the crossover to a Kondo screened phase by application of a
magnetic field. All results show good agreement with a numerical
renormalization group study of the device. |
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| AbstractList | Phys. Rev. Lett. 109, 156804 (2012) We investigate a tunable two-impurity Kondo system in a strongly correlated
carbon nanotube double quantum dot, accessing the full range of charge regimes.
In the regime where both dots contain an unpaired electron, the system
approaches the two-impurity Kondo model. At zero magnetic field the interdot
coupling disrupts the Kondo physics and a local singlet state arises, but we
are able to tune the crossover to a Kondo screened phase by application of a
magnetic field. All results show good agreement with a numerical
renormalization group study of the device. |
| Author | Chorley, S. J Logan, D. E Jayatilaka, F. W Smith, C. G Galpin, M. R Buitelaar, M. R |
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| BackLink | https://doi.org/10.1103/PhysRevLett.109.156804$$DView published paper (Access to full text may be restricted) https://doi.org/10.48550/arXiv.1209.3735$$DView paper in arXiv |
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| Snippet | Phys. Rev. Lett. 109, 156804 (2012) We investigate a tunable two-impurity Kondo system in a strongly correlated
carbon nanotube double quantum dot, accessing... |
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| SubjectTerms | Physics - Mesoscale and Nanoscale Physics Physics - Strongly Correlated Electrons |
| Title | Tunable Kondo physics in a carbon nanotube double quantum dot |
| URI | https://arxiv.org/abs/1209.3735 |
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