317 citations
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8 papers · 1 filter
Reversible Transport of Interacting Brownian Ratchets
Rogério M. da Silva, Clécio C. de Souza Silva, Sérgio Coutinho
The transport of interacting Brownian particles in a periodic asymmetric (ratchet) substrate is studied numerically. In a zero-temperature regime, the system behaves as a reversibl…
Crumpled Wires and Liouville Field Theory
Bruno Carneiro da Cunha
The study of the packing of a length of wire in a two dimensional domain is done using techniques of conformal maps. The resulting scaling properties are derived through the Coulom…
Condensation of elastic energy in two-dimensional packing of wire
C. C. Donato, M. A. F. Gomes
Forced packing of a long metallic wire injected into a two-dimensional cavity leads to crushed structures involving a hierarchical cascade of loops with varying curvature radii. We…
The Ferromagnetic Potts model under an external magnetic field: an exact renormalization group approach
Sergio Coutinho, Welles A. M. Morgado, Evaldo M. F. Curado +1
The q-state ferromagnetic Potts model under a non-zero magnetic field coupled with the 0^th Potts state was investigated by an exact real-space renormalization group approach. The…
Minimal model for active nematics: quasi-long-range order and giant fluctuations
Hugues Chate, Francesco Ginelli, Raul Montagne
We propose a minimal microscopic model for active nematic particles similar in spirit to the Vicsek model for self-propelled polar particles. In two dimensions, we show that this m…
Anomalous diffusion on crumpled wires in two dimensions
C. C. Donato, F. A. Oliveira, M. A. F. Gomes
It is investigated the statistical properties of random walks evolving on real configurations of a crumpled wire rigidly jammed in two dimensions. These crumpled hierarchical struc…