Physics – Condensed Matter – Superconductivity
Scientific paper
2008-04-14
Supercond. Sci. Technol. 21 (2008) 075019.
Physics
Condensed Matter
Superconductivity
7 pages, 3 figures, to be published in Supercond. Sci. Technol
Scientific paper
10.1088/0953-2048/21/7/075019
Here we use highly sensitive magnetisation measurements performed using a Hall probe sensor on single crystals of highly anisotropic high temperature superconductors $Bi_{2}Sr_{2}CaCu_{2}O_{8}$ to study the dynamic interactions between the two species of vortices that exist in such superconductors. We observe a remarkable and clearly delineated high temperature regime that mirrors the underlying vortex phase diagram. Our results map out the parameter space over which these dynamic interaction processes can be used to create vortex ratchets, pumps and other fluxonic devices.
Caplin A. D.
Cohen Lesley F.
Perkins Garry K.
Tamegai Tsuyoshi
Tesei Mauro
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