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Web of Science: 8 cites,
Flux-flow critical-state susceptibility of superconductors
Chen, Du Xing (Universitat Autònoma de Barcelona. Departament de Física)
Sánchez Moreno, Álvaro (Universitat Autònoma de Barcelona. Departament de Física)
American Physical Society

Data: 2005
Resum: The field-amplitude Hm and circular frequency ω dependent ac susceptibility, χ=χ′−jχ′′, of a hard superconducting cylinder with flux-flow type current-voltage characteristic is calculated. A remarkable feature of the resultant χ(Hm,ω) is that both the maximum χ′′, χ′′m, and dlgHm(χ′′m)/dlgω increase with increasing ω. This behavior is observed in actual Bi-2223/Ag tapes and YBa2Cu3O7−δ-coated conductors. Our result provides a useful tool to study the intergranular critical state in high-temperature superconductors.
Drets: Tots els drets reservats.
Llengua: Anglès
Document: article ; recerca ; publishedVersion
Matèria: Conductors ; Josephson junctions ; Superconductors ; High temperature superconductors ; Josephson effect ; Critical currents ; Demagnetization ; High temperature superconductivity ; Rotating flows ; Superconductivity models
Publicat a: Applied Physics Letters, Vol. 86, Issue 24 (June 2005) , p. 242503/1-242503/3, ISSN 1077-3118

DOI: 10.1063/1.1947370

4 p, 246.1 KB

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