Boundary-induced nonequilibrium phase transition into an absorbing state

Details Boundary-induced nonequilibrium phase transition into an absorbing state Boundary-induced nonequilibrium phase transition into an absorbing state

2008-02-25

arxiv.org/abs/0802.3580v2

Phys. Rev. Lett. 100, 165701 (2008)

Physics

Condensed Matter

Statistical Mechanics

4 pages, 4 figures; minor changes

Scientific paper

10.1103/PhysRevLett.100.165701

We demonstrate that absorbing phase transitions in one dimension may be induced by the dynamics of a single site. As an example we consider a one-dimensional model of diffusing particles, where a single site at the boundary evolves according to the dynamics of a contact process. As the rate for offspring production at this site is varied, the model exhibits a phase transition from a fluctuating active phase into an absorbing state. The universal properties of the transition are analyzed by numerical simulations and approximation techniques.

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