Solitons in the one-dimensional forest fire model
arXiv:cond-mat/0009205 · doi:10.1103/PhysRevLett.86.2475
Abstract
Fires in the one-dimensional Bak-Chen-Tang forest fire model propagate as solitons, resembling shocks in Burgers turbulence. The branching of solitons, creating new fires, is balanced by the pair-wise annihilation of oppositely moving solitons. Two distinct, diverging length scales appear in the limit where the growth rate of trees, , vanishes. The width of the solitons, , diverges as a power law, , while the average distance between solitons diverges much faster as .
4 pages with 2 figures included