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Title: Zitterbewegung, chirality, and minimal conductivity in graphene
Author(s): Katsnelson, M.I.
Publication year: 2006
Source: European Physical Journal B, vol. 51, iss. 2, (2006), pp. 157-160
ISSN: 1434-6028
DOI: https://doi.org/10.1140/epjb/e2006-00203-1
Publication type: Article / Letter to editor

Please use this identifier to cite or link to this item : https://hdl.handle.net/2066/34715   https://hdl.handle.net/2066/34715

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Subject: Theory of Condensed Matter
Organization: Theory of Condensed Matter
Journal title:
European Physical Journal B
Volume: vol. 51
Issue: iss. 2
Page start: p. 157
Page end: p. 160
Abstract:
It has been recently demonstrated experimentally that graphene, or single-layer carbon, is a gapless semiconductor with massless Dirac energy spectrum. A finite conductivity per channel of order of e(2)/h in the limit of zero temperature and zero charge carrier density is one of the striking features of this system. Here we analyze this peculiarity based on the Kubo and Landauer formulas. The appearance of a finite conductivity without scattering is shown to be a characteristic property of Dirac chiral fermions in two dimensions.

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