Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2011-08-08
Chapter of the book "Graphene Simulation"Edited by: J.R. Gong, InTech Publishing, Rijeka, Croatia, (2011), ISBN 978-953-307-55
Physics
Condensed Matter
Strongly Correlated Electrons
34 pages, 14 figures
Scientific paper
Graphene is a new material that exhibits remarkable properties from both fundamental and applied issues. This is a 2D matter system whose physical and mechanical features have been approached by using tight binding model, first principle calculations based on DFT and membrane theory. Graphene as a carbon molecule has also hidden symmetries that motivated extensions in various dimensions such as chain-type configurations, that are frequently observed as the graphene bridge narrowed down to a few- or single-atom width, graphene multi-layers thought of as electric capacitors, doped graphene to gain more physical properties as well as cousin systems such as diamond and hyperdiamond. In this work, we use tight binding model ideas and field theory method as well as the hidden symmetries of the underlying crystals to study physical aspects of 2D graphene and its homologues. We also study the relation between 2D graphene with the Bori\c{c}i-Creutz fermions considered recently in literature as an adequate model to perform numerical simulations in 4D lattice QCD where the two Dirac zeros are interpreted in terms of the light quarks up and down.
Bousmina Mosto
Drissi Lalla Btissam
Saidi El Hassan
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