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Details of Grant 

EPSRC Reference: GR/L28784/01
Title: VORTEX LIQUIDS, DECOUPLING & PINNING: FULLY THREE- DIMENTIONAL SIMULATION & ANALYSIS.
Principal Investigator: Gunn, Professor JMF
Other Investigators:
Jensen, Professor H
Researcher Co-Investigators:
Project Partners:
Department: School of Physics and Astronomy
Organisation: University of Birmingham
Scheme: Standard Research (Pre-FEC)
Starts: 26 February 1997 Ends: 25 May 2000 Value (£): 142,388
EPSRC Research Topic Classifications:
Condensed Matter Physics
EPSRC Industrial Sector Classifications:
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Panel History:  
Summary on Grant Application Form
We propose to perform simulations of the pinned vortex solid and vortex liquid which can be compared with macroscopic or diffraction experiments to deduce microscopic consequences. Firstly the controversial issue of the viscosity of the flux liquid will be addressed, by the first fully three-dimensional simulation and analytically using a kinetic theory approach. The lattice structure in the presence of pins will be determined. This will be compared with the experimental neutron scattering results. Highly heterogeneous plastic deformation during flux flow has been seen in two-dimensional simulations and indirectly in experiment. We will perform three-dimensional simulations, and interpret the results using analytic theories of limiting cases. The importance of surface effects will be explored in simulations of quasi-one dimensional whiskers and the effects of an ac current on vortex motion.
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Organisation Website: http://www.bham.ac.uk