EPSRC Reference: |
GR/L28784/01 |
Title: |
VORTEX LIQUIDS, DECOUPLING & PINNING: FULLY THREE- DIMENTIONAL SIMULATION & ANALYSIS. |
Principal Investigator: |
Gunn, Professor JMF |
Other Investigators: |
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Researcher Co-Investigators: |
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Project Partners: |
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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
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EPSRC Research Topic Classifications: |
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EPSRC Industrial Sector Classifications: |
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Related Grants: |
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Panel History: |
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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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Key Findings |
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Potential use in non-academic contexts |
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Impacts |
Description |
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Summary |
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Date Materialised |
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Sectors submitted by the Researcher |
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Project URL: |
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Further Information: |
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Organisation Website: |
http://www.bham.ac.uk |