Green's function calculations for semi-infinite carbon nanotubes

TitleGreen's function calculations for semi-infinite carbon nanotubes
Publication TypeJournal Article
Year of Publication2006
AuthorsJohn, D. L., and D. L. Pulfrey
JournalPhysica Status Solid I B-Basic Solid State Physics
Volume243
Pagination442–448
ISSN0370-1972
Abstract

In the modeling of nanoscale electronic devices, the non-equilibrium Green's function technique is gaining increasing popularity. One complication in this method is the need for computation of the "self-energy" functions that account for the interactions between the active portion of a device and its leads. In the one-dimensional case, these functions may be computed analytically. In higher dimensions, a numerical approach is required. In this work, we generalize earlier methods that were developed for tight-binding Hamiltonians, and present results for the case of a carbon nanotube. (c) 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

URLhttp://dx.doi.org/10.1002/pssb.200541227
DOI10.1002/pssb.200541227

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