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33 papers · 1 filter
Large deviations and nontrivial exponents in coarsening systems
I Dornic, C Godreche
We investigate the statistics of the mean magnetisation, of its large deviations and persistent large deviations in simple coarsening systems. We consider more specifically the cas…
Phenomenology of the Interest Rate Curve
J. -P. Bouchaud, N. Sagna, R. Cont +2
This paper contains a phenomenological description of the whole U.S. forward rate curve (FRC), based on an data in the period 1990-1996. We find that the average FRC (measured from…
Early-time critical dynamics of lattices of coupled chaotic maps
Philippe Marcq, Hugues Chate
The early-time critical dynamics of continuous, Ising-like phase transitions is studied numerically for two-dimensional lattices of coupled chaotic maps. Emphasis is laid on obtain…
Synchronization Defects and Broken Symmetry in Spiral Waves
Andrei Goryachev, Hugues Chate, Raymond Kapral
Spiral waves are investigated in oscillatory media exhibiting period-doubling bifurcations. In the period-doubled and chaotic regimes, the rotational symmetry of the spiral wave is…
Persistence in the Voter model: continuum reaction-diffusion approach
M. Howard, C. Godreche
We investigate the persistence probability in the Voter model for dimensions d\geq 2. This is achieved by mapping the Voter model onto a continuum reaction-diffusion system. Using…
Models of stress propagation in granular media
J. -P. Bouchaud, P. Claudin, M. E. Cates +1
Stress patterns in static granular media exhibit unusual features when compared to either liquids or elastic solids. Qualitatively, we attribute these features to the presence of `…