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Journal article

Vortex dynamics in YBa2Cu3O7 films

The low frequency complex ac impedance Z of c-axis oriented YBa2Cu3O7 thin films was measured as a function of the applied magnetic field B. At temperatures not too close to the transition temperature the imaginary part of Z is proportional to B2, while the real part consists of a term proportional to B3 and an additional term proportional to exp(-1/B) which appears at higher fields. This behavior is in agreement with a description of vortex dynamics with a Langevin equation of motion.

    Reference

    • CMI-ARTICLE-2005-009

    Record created on 2005-10-18, modified on 2016-08-08

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