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APS » Journals » Phys. Rev. Lett. » Volume 102 » Issue 11
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Phys. Rev. Lett. 102, 116403 (2009) [4 pages]

Nuclear Magnetism and Electronic Order in 13C Nanotubes

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Bernd Braunecker1, Pascal Simon1,2,3, and Daniel Loss1
1Department of Physics, University of Basel, Klingelbergstrasse 82, 4056 Basel, Switzerland
2Laboratoire de Physique et Modélisation des Milieux Condensés, CNRS and Université Joseph Fourier, BP 166, 38042 Grenoble, France
3Laboratoire de Physique des Solides, CNRS UMR-8502, Université Paris Sud, 91405 Orsay Cedex, France

Received 22 August 2008; published 19 March 2009

Single wall carbon nanotubes grown entirely from 13C form an ideal system to study the effect of electron interaction on nuclear magnetism in one dimension. If the electrons are in the metallic, Luttinger liquid regime, we show that even a very weak hyperfine coupling to the 13C nuclear spins has a striking effect: The system is driven into an ordered phase, which combines electron and nuclear degrees of freedom, and which persists up into the millikelvin range. In this phase the conductance is reduced by a universal factor of 2, allowing for detection by standard transport experiments.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.102.116403
DOI:
10.1103/PhysRevLett.102.116403
PACS:
71.10.Pm, 73.22.−f, 75.30.−m, 75.75.+a
 
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