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Scattering of Ballistic Electrons by Magnetic-Flux Tubes
Geim, A K; Bending, S J; Grigorieva, I V
Surface Science. 1994;305(1-3):419-423.
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Abstract
We have observed a pronounced change in the conductance of a high-mobility two-dimensional electron gas (2DEG) caused by additional scattering of electrons at magnetic flux tubes (vortices) which are formed at the 2DEG by a superconducting 'gate' layer. The experimental results are in good agreement with theory if account is taken of the small-angle nature of electron-vortex scattering.
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