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AC susceptibility of high temperature superconductors in a critical state model

✍ Scribed by K.-H. Müller


Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
618 KB
Volume
159
Category
Article
ISSN
0921-4534

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Frequency dependence of AC susceptibilit
✍ K.-H. Müller 📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 438 KB

The loss peak of the AC susceptibility in polycrystalline high-To superconductors shifts slightly to higher temperatures with increasing frequency of the applied AC magnetic field. It is shown that a flux creep term, added to the current density term in the critical state equation, can account for t