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Applied Physics Letters
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IV curves of long annular Josephson junctions

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Abstract

IV curves of long annular Josephson junctions (circumference much larger than the Josephson penetration depth) have been investigated numerically. It is concluded that an experiment on such a system is preferable to the usual linear geometries and will allow a study both of the undisturbed motion of a fluxon, and the fluxon-antifluxon collision process. The simulations show that the fluxon-antifluxon collisions generate long wavelength plasma oscillations which may give rise to fine structure in the IV curves.

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Applied Physics Letters

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