Mode Locking in ac-Driven Vortex Lattices with Random Pinning
Journal Article
·
· Physical Review Letters
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 frequencies there is mode locking for any small ac force. This is correlated with the nature of temporal order in the different regimes in the absence of ac drive. The mode-locked state is a frozen solid pinned in the moving reference of frame, and the depinning from the step shows plastic flow and hysteresis.
- Sponsoring Organization:
- (US)
- OSTI ID:
- 40205774
- Journal Information:
- Physical Review Letters, Vol. 86, Issue 18; Other Information: DOI: 10.1103/PhysRevLett.86.4112; Othernumber: PRLTAO000086000018004112000001; 070118PRL; PBD: 30 Apr 2001; ISSN 0031-9007
- Publisher:
- The American Physical Society
- Country of Publication:
- United States
- Language:
- English
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