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Transport spectroscopy of an impurity spin in a carbon nanotube double quantum dot.

Chorley, SJ; Giavaras, G; Wabnig, J; Jones, GA; Smith, CG; Briggs, GA; Buitelaar, MR; (2011) Transport spectroscopy of an impurity spin in a carbon nanotube double quantum dot. Physical Review Letters , 106 (20) , Article 206801. 10.1103/PhysRevLett.106.206801. Green open access

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Abstract

We make use of spin selection rules to investigate the electron spin system of a carbon nanotube double quantum dot. Measurements of the electron transport as a function of the magnetic field and energy detuning between the quantum dots reveal an intricate pattern of the spin state evolution. We demonstrate that the complete set of measurements can be understood by taking into account the interplay between spin-orbit interaction and a single impurity spin coupled to the double dot. The detection and tunability of this coupling are important for quantum manipulation in carbon nanotubes.

Type: Article
Title: Transport spectroscopy of an impurity spin in a carbon nanotube double quantum dot.
Location: US
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.106.206801
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.106.206801
Language: English
Additional information: © 2011 American Physical Society
URI: http://discovery.ucl.ac.uk/id/eprint/1369395
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