619 citations
- Centro de Astrofísica da Universidade do PortoPT8 papers
- Instituto de Ciencia de Materiales de MadridES4 papers
- Petersburg Nuclear Physics InstituteRU4 papers
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25 papers · 1 filter
Modeling disorder in graphene
Vitor M. Pereira, J. M. B. Lopes dos Santos, A. H. Castro Neto
We present a study of different models of local disorder in graphene. Our focus is on the main effects that vacancies -- random, compensated and uncompensated --, local impurities…
Gaped graphene bilayer: disorder and magnetic field effects
Eduardo V. Castro, N. M. R. Peres, J. M. B. Lopes dos Santos
Double layer graphene is a gapless semiconductor which develops a finite gap when the layers are placed at different electrostatic potentials. We study, within the tight-biding app…
Inter-comparison of the g-, f- and p-modes calculated using different oscillation codes for a given stellar model
A. Moya, J. Christensen-Dalsgaard, S. Charpinet +9
In order to make astroseismology a powerful tool to explore stellar interiors, different numerical codes should give the same oscillation frequencies for the same input physics. Th…
Scalar Casimir Effect on a D-dimensional Einstein Static Universe
Carlos A. R. Herdeiro, Raquel H. Ribeiro, Marco Sampaio
We compute the renormalised energy momentum tensor of a free scalar field coupled to gravity on an (n+1)-dimensional Einstein Static Universe (ESU), RxS^n, with arbitrary low energ…
Low density ferromagnetism in biased bilayer graphene
Eduardo V. Castro, N. M. R. Peres, T. Stauber +1
We compute the phase diagram of a biased graphene bilayer. The existence of a ferromagnetic phase is discussed with respect both to carrier density and temperature. We find that th…
YREC: The Yale Rotating Stellar Evolution Code
P. Demarque, D. B. Guenther, L. H. Li +2
The stellar evolution code YREC is outlined with emphasis on its applications to helio- and asteroseismology. The procedure for calculating calibrated solar and stellar models is d…