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Phys. Rev. Lett. 75, 1691–1694 (1995)

Reentrance Phenomena in Noise Induced Transitions

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F. Castro, A. D. Sánchez, and H. S. Wio
Centro Atómico Bariloche, Comisión Nacional de Energía Atómica, and Instituto Balseiro, Universidad Nacional de Cuyo, 8400-S. C. de Bariloche, Río Negro, Argentina

Received 19 April 1995; published in the issue dated 28 August 1995

We analyze a model that has been shown to undergo a purely noise induced transition, from a monostable regime to a bistable one, when it is submitted to a white or colored noise source. We show, using a consistent interpolating Markovian approximation for the colored noise case, that for large values of the correlation time, the system undergoes a new transition to a monostable state, indicating a reentrancelike phenomenon in its phase diagram. Numerical results support our findings.

© 1995 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.75.1691
DOI:
10.1103/PhysRevLett.75.1691
PACS:
05.40.+j