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physics.comp-ph2006★ 16 cited
Temperature Dependent Molecular Dynamic Simulation of Friction
R. A. Dias, M. Rapini, P. Z. Coura +1
In this work we present a molecular dynamics simulation of a FFM experiment. The tip-sample interaction is studied by varying the normal force in the tip and the temperature of the…
physics.comp-ph2006★ 5 cited
Monte Carlo Simulations of Ultrathin Magnetic Dots
M. Rapini, R. A. Dias, D. P. Landau +1
In this work we study the thermodynamic properties of ultrathin ferromagnetic dots using Monte Carlo simulations. We investigate the vortex density as a function of the temperature…
physics.comp-ph2006
Phase transition in ultrathin magnetic films with long range interactions
M. Rapini, R. A. Dias, B. V. Costa
Ultrathin magnetic films can be modeled as an anisotropic Heisenberg model with long range dipolar interactions. It is believed that the phase diagram presents three phases: A orde…