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Experimental test of strong pinning and creep in current-voltage characteristics of type II superconductors
Martin Buchacek, Zhi-Li Xiao, Surajit Dutta +4
Pinning and creep determine the current--voltage characteristic of a type II superconductor and thereby its potential for technological applications. The recent development of stro…
Ageing memory and glassiness of a driven vortex system
Xu Du, Guohong Li, Eva Y. Andrei +2
Many systems in nature, glasses, interfaces and fractures being some examples, cannot equilibrate with their environment, which gives rise to novel and surprising behaviour such as…
Percolation Transition in the Heterogeneous Vortex State in NbSe2
O. Dogru, E. Y. Andrei, M. J. Higgins +1
A percolation transition in the vortex state of a superconducting 2H-NbSe2 crystal is observed in the regime where vortices form a heterogeneous phase consisting of ordered and dis…
Instabilities and disorder-driven first-order transition of the vortex lattice
Y. Paltiel, E. Zeldov, Y. Myasoedov +8
Transport studies in a Corbino disk geometry suggest that the Bragg glass phase undergoes a first-order transition into a disordered solid. This transition shows a sharp reentrant…
Surface barrier dominated transport in NbSe
Y. Paltiel, D. T. Fuchs, E. Zeldov +3
Transport current distribution in clean 2-NbSe crystals is studied by measuring the self-induced magnetic field across the sample. Below most of the current flows at…