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- Jose Manuel Lopes Dos Santos, Nuno Miguel Machado Reis Peres, A H Castro Neto
- Physical review letters
- 2007

We consider a graphene bilayer with a relative small angle rotation between the layers--a stacking defect often seen in the surface of graphite--and calculate the electronic structure near zeroâ€¦ (More)

- Vitor Manuel Dinis Pereira, Francisco Guinea, Jose Manuel Lopes Dos Santos, Nuno Miguel Machado Reis Peres, A H Castro Neto
- Physical review letters
- 2006

We consider the electronic structure near vacancies in the half-filled honeycomb lattice. It is shown that vacancies induce the formation of localized states. When particle-hole symmetry is broken,â€¦ (More)

- Eduardo Viveiros de Castro, Nuno Miguel Machado Reis Peres, Jose Manuel Lopes Dos Santos, Antonio H. Castro Neto, Francisco Guinea
- Physical review letters
- 2008

We report the existence of zero-energy surface states localized at zigzag edges of bilayer graphene. Working within the tight-binding approximation we derive the analytic solution for the waveâ€¦ (More)

- J Viana Lopes, Yu G Pogorelov, Jose Manuel Lopes Dos Santos, RaÃºl Toral
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2004

We present an exact solution of a one-dimensional Ising chain with both nearest-neighbor and random long-range interactions. Not surprisingly, the solution confirms the mean-field character of theâ€¦ (More)

- Eduardo Viveiros de Castro, Kostya S. Novoselov, +6 authors A H Castro Neto
- Journal of physics. Condensed matter : anâ€¦
- 2010

We study, within the tight-binding approximation, the electronic properties of a graphene bilayer in the presence of an external electric field applied perpendicular to the system-a biased bilayer.â€¦ (More)

- Nuno Miguel Machado Reis Peres, JoÃ£o N B Rodrigues, Tobias Stauber, Jose Manuel Lopes Dos Santos
- Journal of physics. Condensed matter : anâ€¦
- 2009

In this paper we analyse the electronic properties of Dirac electrons in finite-size ribbons and in circular and hexagonal quantum dots. We show that due to the formation of sub-bands in the ribbonsâ€¦ (More)

- Vitor Manuel Dinis Pereira, Jose Manuel Lopes Dos Santos, Eduardo Viveiros de Castro, Antonio H. Castro Neto
- Physical review letters
- 2004

A microscopic theory for rare-earth ferromagnetic hexaborides, such as Eu1-xCaxB6, is proposed on the basis of the double-exchange Hamiltonian. In these systems, the reduced carrier concentrationsâ€¦ (More)

- Olympia Tsilochristou, Paraskevi Maggina, +26 authors Lauri-Ann van der Poel
- Pediatric allergy and immunology : officialâ€¦
- 2018

The history of pediatric allergology (PA) in Europe is relatively youthful, dating back to 1984, when a small group of pediatricians founded the European Working Group on Pediatric Allergy andâ€¦ (More)

- J Viana Lopes, Miguel Dias Costa, Jose Manuel Lopes Dos Santos, RaÃºl Toral
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2006

We propose a recursive procedure to estimate the microcanonical density of states in multicanonical Monte Carlo simulations which relies only on measurements of moments of the energy distribution,â€¦ (More)

- JoÃ£o Rodrigues, Nuno Miguel Machado Reis Peres, Jose Manuel Lopes Dos Santos
- Journal of physics. Condensed matter : anâ€¦
- 2013

We develop an analytical scattering formalism for computing the transmittance through periodic defect lines within the tight-binding model of graphene. We first illustrate the method with aâ€¦ (More)

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