Scaling law and general expression for transport ac loss of a rectangular thin strip with power-law E(J) relation

Du Xing Chen, Shuo Li, Jin Fang

    Research output: Contribution to journalArticleResearchpeer-review

    3 Citations (Scopus)

    Abstract

    © 2015 Elsevier B.V. Transport ac loss Q of a superconducting rectangular thin strip obeying a power-law relation E∞Jn as a function of current amplitude Im may be, following Norris, expressed by normalized quantities as q(im). A scaling law is deduced that if Icf, Ic and f being the critical current and frequency, is multiplied by a positive constant C, then im and qm are multiplied by C1/(n-1) and C2/(n-1), respectively. Based on this scaling law and the well-known Norris formula, the general function of q(im, n, f) is obtained graphically or analytically for any practical purpose, after accurate numerical computations on a set of q(im) at several values of n and a fixed value of f.
    Original languageEnglish
    Pages (from-to)89-94
    JournalPhysica C: Superconductivity and its Applications
    Volume519
    DOIs
    Publication statusPublished - 15 Dec 2015

    Keywords

    • Ac loss
    • Power-law E(J) relation
    • Scaling law
    • Superconducting strip

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