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Graphene

Phonons behaving badly

Raman spectroscopy experiments show that the interaction between electrons and phonons in graphene resembles the Dirac fermion–photon coupling in quantum electrodynamics.

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Figure 1: Band structure of graphene and its projection in the momentum space.

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Castro Neto, A. Phonons behaving badly. Nature Mater 6, 176–177 (2007). https://doi.org/10.1038/nmat1851

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