Magnetic relaxation near the order-disorder vortex phase transition in Bi2Sr2CaCu2O8+δ: Effects of annealing of transient vortex states

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Abstract

Local and global magnetic relaxation measurements near the order-disorder vortex phase transition in Bi2Sr2CaCu2O8+δ reveal unusual phenomena: The local relaxation accelerates with time, and the global relaxation rate decreases with temperature and magnetic field. These peculiarities are shown to be a result of annealing of transient disordered vortex states, coexisting with a quasi-ordered vortex phase near the order-disorder vortex phase transition.
Original languageAmerican English
Pages (from-to)14501-14502
JournalPhysical Review B (Condensed Matter and Materials Physics)
Volume73
Issue number1
StatePublished - 2006

Bibliographical note

Also in: Virtual Journal of Applications of Superconductivity, January 2006

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