Stabilization of the superconducting state
Superconductors - Wire structure and behavior
Article REF: D2702 V1
Stabilization of the superconducting state
Superconductors - Wire structure and behavior

Authors : Pascal TIXADOR, Yves BRUNET

Publication date: February 10, 2004 | Lire en français

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3. Stabilization of the superconducting state

To stabilize the superconducting state as much as possible, we need to work in two directions:

  • one is to ensure that a localized external disturbance, unavoidable in practice, has no consequences;

  • the other is to reduce, or even eliminate, instabilities internal to the material, such as flux jumps.

3.1 The benefits of a matrix with high electrical and thermal conductivities

A superconductor is a poor thermal and electrical conductor in the normal state. This feature is very unfavorable in the event of local loss of the superconducting state.

Consider a superconducting cylinder under adiabatic conditions, with a zone of length L in the normal...

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