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Novel superconductor/magnet resonant configurations: exact analytic representations of the Meissner state and the critical state

Genenko, Yuri A. ; Rauh, Hermann (2006)
Novel superconductor/magnet resonant configurations: exact analytic representations of the Meissner state and the critical state.
In: Journal of Physics: Conference Series, 43 (1)
doi: 10.1088/1742-6596/43/1/140
Artikel, Bibliographie

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Kurzbeschreibung (Abstract)

We derive exact analytic representations of the Meissner state and the critical state of a current-carrying superconductor strip located inside a cylindrical magnetic cavity. Our results show that, when the distance between the superconductor and the magnet is small, the penetration of magnetic flux fronts is strongly reduced as compared to the respective situation in an isolated strip. Even for total currents almost matching the critical current of the strip, the major part of the superconductor remains flux free, so that AC losses in it are greatly depressed; a fact which facilitates the use of such a configuration as a coaxial-type transmission line. From our generic representation it is possible to derive current profiles in cavities of various other closed geometries too by means of conformal mapping of the basic configuration addressed.

Typ des Eintrags: Artikel
Erschienen: 2006
Autor(en): Genenko, Yuri A. ; Rauh, Hermann
Art des Eintrags: Bibliographie
Titel: Novel superconductor/magnet resonant configurations: exact analytic representations of the Meissner state and the critical state
Sprache: Englisch
Publikationsjahr: 1 Juni 2006
Ort: Bristol
Verlag: IOP Publishing
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Journal of Physics: Conference Series
Jahrgang/Volume einer Zeitschrift: 43
(Heft-)Nummer: 1
DOI: 10.1088/1742-6596/43/1/140
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Kurzbeschreibung (Abstract):

We derive exact analytic representations of the Meissner state and the critical state of a current-carrying superconductor strip located inside a cylindrical magnetic cavity. Our results show that, when the distance between the superconductor and the magnet is small, the penetration of magnetic flux fronts is strongly reduced as compared to the respective situation in an isolated strip. Even for total currents almost matching the critical current of the strip, the major part of the superconductor remains flux free, so that AC losses in it are greatly depressed; a fact which facilitates the use of such a configuration as a coaxial-type transmission line. From our generic representation it is possible to derive current profiles in cavities of various other closed geometries too by means of conformal mapping of the basic configuration addressed.

Zusätzliche Informationen:

EUCAS'05: THE 7TH EUROPEAN CONFERENCE ON APPLIED SUPERCONDUCTIVITY 11–15 September 2005, Vienna, Austria

Sachgruppe der Dewey Dezimalklassifikatin (DDC): 500 Naturwissenschaften und Mathematik > 500 Naturwissenschaften
Fachbereich(e)/-gebiet(e): 11 Fachbereich Material- und Geowissenschaften
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Materialmodellierung
Hinterlegungsdatum: 23 Jan 2024 09:07
Letzte Änderung: 23 Jan 2024 09:07
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