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Thermally induced subgap features in the cotunneling spectroscopy of a carbon nanotube

Ratz, Sascha, Donarini, Andrea, Steininger, Daniel, Geiger, Thomas, Kumar, Amit, Hüttel, Andreas K. , Strunk, Christoph and Grifoni, Milena (2014) Thermally induced subgap features in the cotunneling spectroscopy of a carbon nanotube. New Journal of Physics 16 (12), p. 123040.

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Other URL: http://iopscience.iop.org/1367-2630/16/12/123040/article, http://iopscience.iop.org/1367-2630/16/12/123040/pdf/1367-2630_16_12_123040.pdf


Abstract

We report on the nonlinear cotunneling spectroscopy of a carbon nanotube quantum dot coupled to Nb superconducting contacts. Our measurements show rich subgap features in the stability diagram which become more pronounced as the temperature is increased. Applying a transport theory based on the Liouville-von Neumann equation for the density matrix, we show that the transport properties can be ...

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Item type:Article
Date:15 December 2014
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group Milena Grifoni
Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Christoph Strunk
Projects:Open Access Publizieren (DFG), GRK 1570, Elektronische Eigenschaften von Nanostrukturen auf Kohlenstoff-Basis, SFB 689: Spinphänomene in reduzierten Dimensionen, Hu 1808/1: Kohlenstoff-Nanoröhrchen als elektronische und nanoelektromechanische Hybridsysteme im Quantenlimes, EU FP7 SE2ND
Identification Number:
ValueType
doi:10.1088/1367-2630/16/12/123040DOI
Keywords:cotunneling, thermal quasiparticles, carbon nanotube, quantum dot, superconducting contacts
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:31399
Owner only: item control page

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