7 papers
Edge and Bulk Transport in the Mixed State of a Type-II Superconductor
Z. L. Xiao, E. Y. Andrei, Y. Paltiel +3
By comparing the voltage-current (V-I) curves obtained before and after cutting a sample of 2H-NbSe2, we separate the bulk and edge contributions to the transport current at variou…
Equilibration and Dynamic Phase Transitions of a Driven Vortex Lattice
Z. L. Xiao, E. Y. Andrei, P. Shuk +1
We report on the observation of two types of current driven transitions in metastable vortex lattices. The metastable states, which are missed in usual slow transport measurements,…
Dynamic instabilities and memory effects in vortex matter
Y. Paltiel, E. Zeldov, Y. N. Myasoedov +7
Recent studies have shown a number of surprising vortex dynamics phenomena both in low and high temperature superconductors, which include: low frequency noise, slow voltage oscill…
Flow Induced Organization and Memory of a Vortex Lattice
Z. L. Xiao, E. Y. Andrei, M. J. Higgins
We report on experiments probing the evolution of a vortex state in response to a driving current in 2H-NbSe crystals. By following the vortex motion with fast transport measur…
Plastic Motion of a Flux-line Lattice Driven by Alternating Current
W. Henderson, M. J. Higgins, E. Y. Andrei
We have measured the response of the flux-line lattice in the low T superconductor, 2H-NbSe, to finite frequency drives. In a well-defined range of fields, temperatures, an…
AC Dynamics and Metastability of a Flux-Line Lattice
W. Henderson, E. Y. Andrei, M. J. Higgins +1
We have measured the complex surface impedance of 2H-NbSe_2 in the mixed state over a wide range of magnetic field(0-2T) and frequency(10-3000MHz). A crossover between pinned and v…