@article{1d2527b649d04d0d8ca2af79545cb2c5,
title = "Green functions in graphene monolayer with Coulomb interactions taken into account",
abstract = "We consider the low energy effective field model of graphene monolayer. Coulomb interactions are taken into account. The model is simulated numerically using the lattice discretization with staggered fermions. The two point fermionic Green functions are calculated. We find that in the insulator phase these Green functions almost do not depend on energy. This indicates that the effective field model (in its insulator phase) does not correspond to the real graphene.",
keywords = "A. Graphene, D. Insulator-semi-metal phase transition, D. Lattice simulations",
author = "Ulybyshev, {M. V.} and Zubkov, {M. A.}",
note = "Funding Information: The authors kindly acknowledge comments of M.I. Katsnelson, and a private communication with G.E. Volovik, as well as the discussions with the members of the lattice ITEP group M.I. Polikarpov, P.V. Buividovich, V.I. Zakharov, O.V. Pavlovsky. The numerical simulations have been performed using the facilities of the supercomputer centers of Moscow University, Kurchatov Institute, and ITEP. This work was partly supported by RFBR Grant 11-02-01227 and by the Russian Ministry of Science and Education (program “Human Capital” and the contract no. 07.514.12.4028 ).",
year = "2013",
month = apr,
doi = "10.1016/j.ssc.2012.12.030",
language = "אנגלית",
volume = "159",
pages = "55--59",
journal = "Solid State Communications",
issn = "0038-1098",
publisher = "Elsevier Ltd.",
}