Abstract
Dynamic phase of driven vortices of high- T c cuprate, Bi 2 Sr 2 CaCu 2 O y , was investigated by noise measurement and AC–DC interference measurement. We obtained the magnetic field ( H )–temperature ( T )–driving force ( F ) diagram of the dynamic phase. The obtained phase diagram was rather different from that of conventional superconductors and the theoretically expected diagram. We consider that the differences are characteristic of high- T c cuprates.
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