Plastic vortex-creep in YBa${}_2$Cu${}_3$O${}_{7-x}$ crystals

Y. Abulafia, A. Shaulov, Y. Wolfus +7

Local magnetic relaxation measurements in YBa${}_2$Cu${}_3$O${}_{7-x}$ crystals show evidence for plastic vortex-creep associated with the motion of dislocations in the vortex lattice. T…