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- Publications
- Influence
Haldane phase in one-dimensional topological Kondo insulators
We investigate the ground-state properties of a recently proposed model for a topological Kondo insulator in one dimension (i.e., the p-wave Kondo-Heisenberg lattice model) by means of the… Expand
Dislocation lines as the precursor of the melting of crystalline solids observed in Monte Carlo simulations.
- L. Gomez, A. Dobry, Ch Geuting, H. T. Diep, L. Burakovsky
- Materials Science, Medicine
- Physical review letters
- 26 February 2003
The microscopic mechanism of the melting of a crystal is analyzed by the constant-pressure Monte Carlo simulation of a Lennard-Jones fcc system. Beyond a temperature of the order of 0.8 of the… Expand
Pressure dependence of the melting mechanism at the limit of overheating in Lennard-Jones crystals
- L.G'omez, C. Gazza, H. Dacharry, L. Peñaranda, A. Dobry
- Physics
- 28 March 2005
We study the pressure dependence of the melting mechanism of a surface free Lennard-Jones crystal by constant pressure Monte Carlo simulation. The difference between the overheating… Expand
Spectral gap induced by structural corrugation in armchair graphene nanoribbons
- S. Costamagna, O. Hernandez, A. Dobry
- Physics
- 7 January 2010
AGNRs can be either metallic or semiconductor, depending on their width 8 . However, experiments suggest that AGNR are always insulators with a gap that scale with the inverse of its width 9 . The… Expand
Role of atomic vacancies and boundary conditions on ballistic thermal transport in graphene nanoribbons
- P. Scuracchio, S. Costamagna, F. Peeters, A. Dobry
- Materials Science, Physics
- 21 July 2014
Quantum thermal transport in armchair and zigzag graphene nanoribbons is investigated in the presence of single atomic vacancies and subject to different boundary conditions. We start with a full… Expand
Monte Carlo simulation of the role of defects as a melting mechanism
We study in this paper the melting transition of a crystal of a fcc structure with the Lennard-Jones potential, by using isobaric-isothermal Monte Carlo simulations. Local and collective updates are… Expand
Magnetization plateaus induced by a coupling to the lattice.
- T. Vekua, D. Cabra, A. Dobry, C. Gazza, D. Poilblanc
- Physics, Medicine
- Physical review letters
- 15 November 2005
We present a novel mechanism for the appearance of magnetization plateaus in quasi-one-dimensional quantum spin systems, which is induced by the coupling to the underlying lattice. We investigate in… Expand
Bending mode fluctuations and structural stability of graphene nanoribbons
- P. Scuracchio, A. Dobry
- Physics
- 19 December 2012
Fil: Scuracchio, Pablo Martin. Universidad Nacional de Rosario. Facultad de Ciencias Exactas, Ingenieria y Agrimensura; Argentina. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro… Expand
Numerical Study of the Incommensurate Phase in Spin-Peierls Systems
- A. Feiguin, J. A. Riera, A. Dobry, H. Ceccatto
- Physics
- 20 May 1997
We analyze several properties of the lattice solitons in the incommensurate phase of spin-Peierls systems using exact diagonalization and quantum Monte Carlo simulations. These systems are modeled by… Expand