AC susceptibility of a long cylinder with a hard superconducting core and normal conducting shell

D. X. Chen

Research output: Contribution to journalArticleResearchpeer-review

5 Citations (Scopus)

Abstract

The complex ac susceptibility χ′ - jχ″ is analytically derived for a long cylinder with a hard superconducting core and a normal conducting shell under a longitudinally applied ac magnetic field of amplitude Hm. The core obeys the critical-state model with a constant critical-current density Jc and the shell obeys Ohm's law with a constant conductivity σ. The low-frequency dependences of χ′ and χ″ upon Hm/Hp (Hp being the full penetration field of the core) at various radius-filling fractions of the core are evaluated and their features are discussed.
Original languageEnglish
Pages (from-to)417-422
JournalSuperconductor Science and Technology
Volume17
Issue number3
DOIs
Publication statusPublished - 1 Mar 2004

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