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Öğe Current-Voltage Measurements on a Bi2Sr2CaCu2Ox Whisker and Investigation of Its Vortex Dynamics in Self Field(Springer, 2013) Altin, S.; Aksan, M. A.; Yakinci, M. E.; Bernstein, P.We report current-voltage measurements carried out on a high quality Bi2Sr2CaCu2Ox whisker in a large temperature range below the critical temperature. When a perpendicular field is applied, the current-voltage curves are typical of the flux flow regime at low fields and resemble flux creep characteristics at high fields. This change, related to what is described as the critical current peak effect is associated to a transition between different vortex phases. In this contribution, we focus on the dynamics of the vortices in self field. We show that the critical current in the flux flow regime can be calculated straightforwardly taking into account inter-vortex forces only, supposing that free vortices run between pinned vortices.
