Infinitely-many absorbing-state nonequilibrium phase transitions

AUTOR(ES)

Wijland, Frédéric van

FONTE

Brazilian Journal of Physics

DATA DE PUBLICAÇÃO

2003-09

RESUMO

We present a general field-theoretic strategy to analyze three connected families of continuous phase transitions which occur in nonequilibrium steady-states. We focus on transitions taking place between an active state and one absorbing state, when there exist an infinite number of such absorbing states. In such transitions the order parameter is coupled to an auxiliary field. Three situations arise according to whether the auxiliary field is diffusive and conserved, static and conserved, or finally static and not conserved.

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