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Tunable Kondo physics in a carbon nanotube double quantum dot.

Abstract:

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 a...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
Journal:
Physical Review Letters More from this journal
Volume:
109
Issue:
15
Pages:
156804
Publication date:
2012-10-01
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Language:
English
Keywords:
Pubs id:
pubs:352675
UUID:
uuid:f88aa33f-84ce-4258-a7a0-b62dc8d49bd5
Local pid:
pubs:352675
Source identifiers:
352675
Deposit date:
2013-11-17

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