Abstract
The effects of temperature on the dynamic characteristics of a high-Tc superconductor (HTS) and permanent magnet (PM) system at different field cooled (FC) gaps and different masses are studied theoretically and experimentally. Results indicate that the resonant frequency of the HTS-PM system decreases with increasing FC gap or mass at different temperatures. Although decreasing temperature augments stiffness of the interaction force between the HTS and the PM. The effect of decreasing temperature on stiffness and resonance frequency is more significant at a smaller FC gap. It means that the enhancement of lowering temperature on stiffness and resonant frequency also depends on the magnetic field gradient.
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