Negative magnetic relaxation in superconductors
classification
❄️ cond-mat.supr-con
keywords
magneticnegativerelaxationannulifieldpulsedtabletsappearing
read the original abstract
It was observed that the trapped magnetic moment of HTS tablets or annuli increases in time (negative relaxation) if they are not completely magnetized by a pulsed magnetic field. It is shown, in the framework of the Bean critical-state model, that the radial temperature gradient appearing in tablets or annuli during a pulsed field magnetization can explain the negative magnetic relaxation in the superconductor.
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