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Fluctuation-Dissipation Relations in the imbalanced Wilson-Cowan model
M. K. Nandi, A. De Candia, A. Sarracino +2
The relation between spontaneous and stimulated brain activity is a fundamental question in neuroscience, which has received wide attention in experimental studies. Recently, it ha…
Itinerant conductance in fuse-antifuse networks
Cesar I. N. Sampaio Filho, Andre A. Moreira, Nuno A. N. Araujo +2
We report on a novel dynamic phase in electrical networks, in which current channels perpetually change in time. This occurs when the individual elements of the network are fuse-an…
A mesoscopic approach to subcritical fatigue crack growth
Maycon S. Araújo, André P. Vieira, José S. Andrade +1
We investigate a model for fatigue crack growth in which damage accumulation is assumed to follow a power law of the local stress amplitude, a form which can be generically justifi…
Fractal frontiers of bursts and cracks in a fiber bundle model of creep rupture
Zsuzsa Danku, Ferenc Kun, Hans J. Herrmann
We investigate the geometrical structure of breaking bursts generated during the creep rupture of heterogeneous materials. Based on a fiber bundle model with localized load sharing…
Oil displacement through a porous medium with a temperature gradient
C. L. N. Oliveira, J. S. Andrade, H. J. Herrmann
We investigate the effect of a temperature gradient on oil recovery in a two-dimensional pore-network model. The oil viscosity depends on temperature as, , where …
Inter-arrival times of message propagation on directed networks
Tamara Mihaljev, Lucilla de Arcangelis, Hans J. Herrmann
One of the challenges in fighting cybercrime is to understand the dynamics of message propagation on botnets, networks of infected computers used to send viruses, unsolicited comme…