Non-linear and unstable flux vortex dynamics.
- Materials Science Division
Vortex dynamics in molybdenum-germanium superconducting films were found to well approximate the ideal unpinned free limit even at low driving forces. This provided a first opportunity to confirm the predictions of time-dependent Ginzburg Landau (TDGL) mean-field theory. At high driving forces the flux flow enters the classic Larkin-Ovchinnikov (LO) regime and the nonlinear current-voltage response can be well fitted to a hybrid TDGL-LO model.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- DE-AC02-06CH11357
- OSTI ID:
- 1025115
- Report Number(s):
- ANL/MSD/CP-70983; TRN: US201120%%304
- Resource Relation:
- Conference: 55th DAE Solid State Physics Symp. 2010; Dec. 26, 2010 - Dec. 30, 2010; Manipal, India
- Country of Publication:
- United States
- Language:
- ENGLISH
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