Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Potiguar, Fabricio Q."'
Publikováno v:
Phys Rev E, 90, 012307 (2014)
We report numerical results which show the achievement of net transport of self-propelled particles (SPP) in the presence of a two-dimensional regular array of convex, either symmetric or asymmetric, rigid obstacles. The repulsive inter-particle (sof
Externí odkaz:
http://arxiv.org/abs/1407.1718
Autor:
Potiguar, Fabricio Q., Ding, Yang
Publikováno v:
Phys. Rev. E 88, 012204 (2013)
Recently, experiments showed that forces on intruders dragged horizontally through dense, hydrostatic granular packings mainly depend on the local surface orientation and can be seen as the sum of the forces exerted on small surface elements. In orde
Externí odkaz:
http://arxiv.org/abs/1306.6037
Publikováno v:
PLOS One, volume 8, issue 6, e66443 (2013)
We study a subset of the movie collaboration network, imdb.com, where only adult movies are included. We show that there are many benefits in using such a network, which can serve as a prototype for studying social interactions. We find that the stre
Externí odkaz:
http://arxiv.org/abs/1305.1175
Autor:
Potiguar, Fabricio Q.
Publikováno v:
Phys. Rev. E, 84, 061302 (2011)
This paper investigates the lift force exerted on an elliptical obstacle immersed in a granular flow through analytical calculations and computer simulations. The results are shown as a function of the obstacle size, orientation with respect to the f
Externí odkaz:
http://arxiv.org/abs/1111.5815
Autor:
Potiguar, Fabricio Q.
Publikováno v:
Eur. Phys. J. E, 33, 1 (2010)
It is presented a numerical study on the unjamming packing fraction of bi- and polydisperse disk packings, which are generated through compression of a monodisperse crystal. In bidisperse systems, a fraction f_+ = 40% up to 80% of the total number of
Externí odkaz:
http://arxiv.org/abs/1008.1696
Autor:
Potiguar, Fabricio Q., DIckman, Ronald
Motivated by recent studies of colloidal particles in optical tweezer arrays, we study a two-dimensional model of a colloidal suspension in a periodic potential. The particles tend to stay near potential minima, approximating a lattice gas. The inter
Externí odkaz:
http://arxiv.org/abs/cond-mat/0701076
Publikováno v:
Eur. Phys. J. E, 19, p. 171 (2006)
We present extensive computational results for the effective temperature, defined by the fluctuation-dissipation relation between the mean square displacement and the average displacement of grains, under the action of a weak, external perturbation,
Externí odkaz:
http://arxiv.org/abs/cond-mat/0511254
Autor:
Potiguar, Fabricio Q., Dickman, Ronald
Publikováno v:
Eur. Phys. J. B 52, 83 (2006)
We present Monte Carlo simulations of the lattice gas with nearest-neighbor exclusion and Kawasaki (hopping) dynamics, under the influence of a nonuniform drive, on the square lattice. The drive, which favors motion along the +$x$ and inhibits motion
Externí odkaz:
http://arxiv.org/abs/cond-mat/0507114
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