Mode locking in ac-driven vortex lattices with random pinning.

作者: Alejandro B. Kolton , Daniel Domínguez , Niels Grønbech-Jensen

DOI: 10.1103/PHYSREVLETT.86.4112

关键词:

摘要: We find mode-locking steps in simulated current-voltage characteristics of ac-driven vortex lattices with random pinning. For low frequencies there is mode locking above a finite ac force amplitude, while for large any small force. This correlated the nature temporal order different regimes absence drive. The mode-locked state frozen solid pinned moving reference frame, and depinning from step shows plastic flow hysteresis.

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