Metastability and transient effects in vortex matter near a disorder driven transition

We examine metastable and transient effects both above and below the first-order disorder driven decoupling line in a 3D simulation of magnetically interacting pancake vortices. We observe pronounced transient and history effects as well as supercooling and superheating between the ordered and disor...

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Bibliographic Details
Published in:	Physical review letters Vol. 6718; no. 18
Main Authors:	Olson, C.J., Reichhardt, C., Scalettar, R.T., Zimanyi, G.T., Gronbech-Jensen, Niels
Format:	Journal Article
Language:	English
Published:	United States 01-06-2000
Subjects:	CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY DECOUPLING HYSTERESIS METASTABILITY TRANSIENT EFFECT VORTEX MATTER DISORDER DRIVEN TRANSITION SIMULATION SUPERHEATING TRANSIENTS VORTICES
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Summary:	We examine metastable and transient effects both above and below the first-order disorder driven decoupling line in a 3D simulation of magnetically interacting pancake vortices. We observe pronounced transient and history effects as well as supercooling and superheating between the ordered and disordered phases. In the disordered supercooled state as a function of DC driving, reordering occurs through the formation of growing moving channels of the ordered phase. We find that hysteresis in V(I) is strongly dependent on the proximity to the decoupling transition line.
Bibliography:	AC03-76SF00098 LBNL-46214 National Science Foundation Contract DMR-9985978 (US) USDOE Director. Office of Advanced Scientific Computing Research. Mathematical Information and Computational Sciences Division
ISSN:	0031-9007 1079-7114