Electronic Properties of Solids

Journal of Experimental and Theoretical Physics

, Volume 105, Issue 2, pp 397-403

First online:

Phonon dispersion in graphene

  • L. A. FalkovskyAffiliated withLandau Institute for Theoretical Physics, Russian Academy of SciencesInstitute of High Pressure Physics, Russian Academy of Sciences Email author 

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Taking into account the constraints imposed by the lattice symmetry, we calculate the phonon dispersion for graphene with interactions between the first and second nearest neighbors. We show that only five force constants give a very good fitting to the elastic constants and phonon frequencies observed in graphite.

PACS numbers

63.20.Dj 81.05.Uw 71.15.Mb