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- M A Bab, Gabriel Fabricius, Ezequiel V. Albano
- Physical review. E, Statistical, nonlinear, and…
- 2005

The short-time dynamic evolution of an Ising model embedded in an infinitely ramified fractal structure with noninteger Hausdorff dimension was studied using Monte Carlo simulations. Completely ordered and disordered spin configurations were used as initial states for the dynamic simulations. In both cases, the evolution of the physical observables follows… (More)

- M A Bab, Gabriel Fabricius, Ezequiel V. Albano
- Physical review. E, Statistical, nonlinear, and…
- 2006

The nonequilibrium critical dynamics of the Ising magnet on a fractal substrate, namely the Sierpinski carpet with Hausdorff dimension d(H)=1.7925, has been studied within the short-time regime by means of Monte Carlo simulations. The evolution of the physical observables was followed at criticality, after both annealing ordered spin configurations (ground… (More)

- M A Bab, Ezequiel V. Albano
- Physical review. E, Statistical, nonlinear, and…
- 2009

In a recent paper [S. B. Lee, Physica A 387, 1567 (2008)] the epidemic spread of the contact process (CP) in deterministic fractals, already studied by I. Jensen [J. Phys. A 24, L1111 (1991)], has been investigated by means of computer simulations. In these previous studies, epidemics are started from randomly selected sites of the fractal, and the obtained… (More)

- M A Bab, Claudio M Horowitz, M L Rubio Puzzo, Gustavo P. Saracco
- Physical review. E
- 2016

In this work, the phase diagram of the ferromagnetic Ising model with dipole interactions is revisited with the aim of determining the nature of the phase transition between stripe-ordered phases with width n (h_{n}) and tetragonal liquid (TL) phases. Extensive Monte Carlo simulations are performed in order to study the short-time dynamic behavior of the… (More)

- Claudio M Horowitz, M A Bab, Marino Mazzini, M L Rubio Puzzo, Gustavo P. Saracco
- Physical review. E, Statistical, nonlinear, and…
- 2015

The ferromagnetic Ising model with antiferromagnetic dipole interactions is investigated by means of Monte Carlo simulations, focusing on the characterization of the phase transitions between the tetragonal liquid and stripe of width h phases. The dynamic evolution of the physical observables is analyzed within the short-time regime for 0.5≤δ≤1.3, where δ… (More)

- M A Bab, Gabriel Fabricius, Ezequiel V. Albano
- The Journal of chemical physics
- 2008

This paper addresses the kinetic behavior of random walks in fractal media. We perform extensive numerical simulations of both single and annihilating random walkers on several Sierpinski carpets, in order to study the time behavior of three observables: the average number of distinct sites visited by a single walker, the mean-square displacement from the… (More)

- Daniel Ernesto Rodríguez, M A Bab, Ezequiel V. Albano
- Physical review. E, Statistical, nonlinear, and…
- 2011

A variant of the standard voter model, where a randomly selected site of a one-dimensional lattice (d=1) adopts the state of another site placed at a distance r from the previous one, is proposed and studied by means of numerical simulations that are rationalized with the aid of dynamical and finite-size scaling arguments. The distance between the two sites… (More)

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