Scale-free dynamics emerging from information transfer

Details Scale-free dynamics emerging from information transfer Scale-free dynamics emerging from information transfer

2004-12-07

arxiv.org/abs/cond-mat/0412156v1

Physics

Condensed Matter

Statistical Mechanics

7 pages, 3 figures To appear in Europhys. Lett

Scientific paper

10.1209/epl/i2004-10375-2

The dynamics based on information transfer is proposed as an underlying mechanism for the scale-invariant dynamic critical behavior observed in a variety of systems. We apply the dynamics to the globally-coupled Ising model, which is analytically tractable, and show that dynamic criticality is indeed attained. Such emergence of criticality is confirmed numerically in the two-dimensional Ising model as well as the globally coupled one and in a biological evolution model. Although criticality is precise only when information transfer is reversible, it may also be observed even in the irreversible case, during the practical time scale shorter than the relaxation time.

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