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Arrest of domain coarsening via antiperiodic regimes in delay systems

Javaloyes, J. and Ackemann, T. and Hurtado, A. (2015) Arrest of domain coarsening via antiperiodic regimes in delay systems. Physical Review Letters, 115 (20). ISSN 0031-9007

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Abstract

Motionless domain walls representing connecting temporal or spatial orbits typically exist only for very specific parameters, around the so-called Maxwell point. This report introduces a novel mechanism for stabilizing temporal domain walls away from this peculiar equilibrium, opening up new possibilities to encode information in dynamical systems. It is based on antiperiodic regimes in a delayed system close to a bistable situation, leading to a cancellation of the average drift velocity. The results are demonstrated in a normal form model and experimentally in a laser with optical injection and delayed feedback.