Electronic compressibility of a graphene bilayer
| dc.creator | Kusminskiy, S. Viola | |
| dc.creator | Nilsson, Johan | |
| dc.creator | Campbell, D. K. | |
| dc.creator | Neto, A. H. Castro | |
| dc.date | 2007-06-15 | |
| dc.date | 2008-03-31 | |
| dc.date.accessioned | 2026-07-07T09:28:59Z | |
| dc.date.available | 2026-07-07T09:28:59Z | |
| dc.description | We calculate the electronic compressibility arising from electron-electron interactions for a graphene bilayer within the Hartree-Fock approximation. We show that, due to the chiral nature of the particles in this system, the compressibility is rather different from those of either the two-dimensional electron gas or ordinary semiconductors. We find that an inherent competition between the contributions coming from intra-band exchange interactions (dominant at low densities) and inter-band interactions (dominant at moderate densities) leads to a non-monotonic behavior of the compressibility as a function of carrier density. | |
| dc.description | 4 pages, 4 figures. Final version | |
| dc.identifier | https://arxiv.org/abs/0706.2359 | |
| dc.identifier | http://arxiv.org/abs/0706.2359 | |
| dc.identifier | Phys. Rev. Lett. 100, 106805 (2008) | |
| dc.identifier | doi:10.1103/PhysRevLett.100.106805 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/157624 | |
| dc.subject | Strongly Correlated Electrons | |
| dc.title | Electronic compressibility of a graphene bilayer | |
| dc.type | text |