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Effect of heating on critical current of YBCO nanowires

D. Golubev ; Floriana Lombardi (Institutionen för mikroteknologi och nanovetenskap, Kvantkomponentfysik) ; Thilo Bauch (Institutionen för mikroteknologi och nanovetenskap, Kvantkomponentfysik)
Physica C-Superconductivity and Its Applications (0921-4534). Vol. 506 (2014), p. 174-177.
[Artikel, refereegranskad vetenskaplig]

We discuss transport of heat in YBCO nanowires and its implications to their superconducting properties. We find under which conditions the central part of a nanowire may turn normal. We demonstrate that in long wires it may happen at currents much lower than the theoretical value of superconducting critical current. We derive a simple formula for the corresponding threshold current in terms of the heat transport parameters of YBCO. Our results may be interesting in view of potential applications of YBCO nanowires in detectors of radiation.

Nyckelord: Superconducting nanowire, YBCO

Denna post skapades 2014-12-05.
CPL Pubid: 207506


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Institutioner (Chalmers)

Institutionen för mikroteknologi och nanovetenskap, Kvantkomponentfysik



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