Disordering transitions in vortex matter: Peak effect and phase diagram
Journal Article
·
· Physica C-Superconductivity and Its Applications
OSTI ID:834421
Using numerical simulations of magnetically interacting vortices in disordered layered superconductors we obtain the static vortex phase diagram as a function of magnetic field and temperature. For increasing field or temperature, we find a transition from ordered straight vortices to disordered decoupled vortices. This transition is associated with a peak effect in the critical current as well as plastic flow of the vortices. For samples with increasing disorder strength the field at which the decoupling occurs decreases. Long range interactions in the c-axis are required to observe the effect.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Director. Office of Advanced Scientific Computing Research. Mathematical Information and Computational Sciences Division; CLC and CULAR; National Science Foundation Contract DMR-9985978 (US)
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 834421
- Report Number(s):
- LBNL-46710; R&D Project: K11503; TRN: US0407118
- Journal Information:
- Physica C-Superconductivity and Its Applications, Vol. 384, Issue 1-2; Other Information: Journal Publication Date: 01/15/2003; PBD: 1 Aug 2000
- Country of Publication:
- United States
- Language:
- English
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