Thorwart, M. and Grifoni, Milena (2002) Luttinger correlations and resonant tunneling in carbon nanotube intramolecular dots. Chem. Phys. 281 (2-3), pp. 477-487.
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We investigate linear electronic transport in single-walled carbon nanotubes with two intramolecular tunneling barriers. The one-dimensional character of transport in these molecular wires is reflected in unconventional Coulomb blockade features, occurring for thermal lengths larger than the width of the one-dimensional dot. In this regime, long ranged Luttinger liquid correlations among tunneling events on and off the island invalidate a conventional incoherent sequential tunneling picture. In contrast, correlated sequential tunneling and co-tunneling dominate transport at resonance. This results, for instance, in the power-law temperature dependence Gmax∝Tαend−end−1 of the conductance maximum, typical for tunneling between the ends of two Luttinger liquids. Our predictions are in agreement with recent measurements in carbon nanotube intramolecular quantum dots.
|Date:||1 August 2002|
|Institutions:||Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group Milena Grifoni|
|Keywords:||Carbon nanotubes; Luttinger liquid; Coulomb blockade|
|Subjects:||500 Science > 530 Physics|
|Refereed:||No this document will not be refereed|
|Created at the University of Regensburg:||Unknown|
|Deposited On:||18 Sep 2009 09:32|
|Last Modified:||22 May 2012 06:02|