Nonequilibrium first-order phase transition induced by additive noise.
We show that a nonequilibrium first-order phase transition can be induced by additive noise. As a model system to study this phenomenon, we consider a nonlinear lattice of overdamped oscillators with both additive and multiplicative noise terms. Predictions from mean field theory are successfully confirmed by numerical simulations. A physical explanation for the mechanism of the transition is given.
Zaikin
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Institute of Physics, University of Potsdam, Am Neuen Palais 10, 14469 Potsdam, Germany.
García-Ojalvo
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Schimansky-Geier
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