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Ab Initio GWMany-Body Effects in Graphene
Open accessAbstract
We present an ab initio numerical many-body GW calculation of the band plot in freestanding graphene. We consider the full ionic and electronic structure introducing e-e interaction and correlation effects via a self-energy containing non-Hermitian and dynamical terms. With respect to the density-functional theory local-density approximation, the Fermi velocity is renormalized with an increase of 17%, in better agreement with the experiment. Close to the Dirac point the linear dispersion is modified by the presence of a kink, as observed by angle-resolved photoemission spectroscopy. We demonstrate that the kink is due to low-energy pi-->pi* single-particle excitations and to the pi plasmon. The GW self-energy does not open the band gap.
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Cites
Two-dimensional gas of massless Dirac fermions in graphene
Novoselov, K. S., Geim, A. K., Morozov, S. V., Jiang, D., Katsnelson, M. I., Grigorieva, I. V., Dubonos, S. V., & Firsov, A. A. (2005) · Nature · doi:10.1038/nature04233 · Cited by 21,611
Experimental observation of the quantum Hall effect and Berry's phase in graphene
Zhang, Y., Tan, Y.-W., Stormer, H. L., & Kim, P. (2005) · Nature · doi:10.1038/nature04235 · Cited by 13,435
Cited by
Kim, K., Coh, S., Tan, L. Z., Regan, W., Yuk, J. M., Chatterjee, E., Crommie, M. F., Cohen, M. L., Louie, S. G., & Zettl, A. (2012) · Physical Review Letters · doi:10.1103/physrevlett.108.246103 · Cited by 587
Electronic Structure of Atomically Precise Graphene Nanoribbons
Ruffieux, P., Cai, J., Plumb, N. C., Patthey, L., Prezzi, D., Ferretti, A., Molinari, E., Feng, X., Müllen, K., Pignedoli, C. A., et al. (2012) · ACS Nano · doi:10.1021/nn3021376 · Cited by 494
Observing the Quantization of Zero Mass Carriers in Graphene
Miller, D. L., Kubista, K. D., Rutter, G. M., Ruan, M., de Heer, W. A., First, P. N., & Stroscio, J. A. (2009) · Science · doi:10.1126/science.1171810 · Cited by 486
Luo, G., Qian, X., Liu, H., Qin, R., Zhou, J., Li, L., Gao, Z., Wang, E., Mei, W.-N., Lu, J., et al. (2011) · Physical Review B · doi:10.1103/physrevb.84.075439 · Cited by 373
Metadata
- Authors
- Trevisanutto, P. E., Giorgetti, C., Reining, L., Ladisa, M., & Olevano, V.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2008-11-26
- Volume
- 101
- Issue
- 22
- Pages
- 226405-226405
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2082423355
- Cited by
- 295
- References
- 2
- FWCI
- 7.24
- Type
- journal article
- Language
- en
- Open access
- green
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- Trevisanutto, P. E., Giorgetti, C., Reining, L., Ladisa, M., & Olevano, V. (2008). Ab Initio GWMany-Body Effects in Graphene. Physical Review Letters. https://doi.org/10.1103/physrevlett.101.226405
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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