Luther‐Emery liquid in the NMR relaxation rate of carbon nanotubes | Zendy

Dóra Balázs | Zendy; Gulacsi Miklós | Zendy; Simon Ferenc | Zendy; Wzietek Pawel | Zendy; Kuzmany Hans | Zendy

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Luther‐Emery liquid in the NMR relaxation rate of carbon nanotubes

Author(s) -

Dóra Balázs,

Gulacsi Miklós,

Simon Ferenc,

Wzietek Pawel,

Kuzmany Hans

Publication year - 2008

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.200879606

Subject(s) - condensed matter physics , carbon nanotube , luttinger liquid , relaxation (psychology) , lattice (music) , physics , materials science , thermodynamics , nanotechnology , quantum mechanics , electron , psychology , social psychology , acoustics

We analyze a recent NMR experiments by Singer et al. [Singer et al. Phys. Rev. Lett. 95 , 236403 (2005).], which showed a deviation fromFermi‐liquid behavior in carbon nanotubes with an energy gap evident at low temperatures. A comprehensive theory for the magnetic field and temperature dependent NMR 13 C spin‐lattice relaxation is given in the framework of the Luther‐Emery and Luttinger liquids. The low temperature properties are governed by a gapped relaxation due to a spin gap (∼ 30 K), described by the Luther‐Emery liquid picture, which crosses over smoothly to the Luttinger liquid behaviour with increasing temperature. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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