The breakdown of superconductivity in the presence of magnetic steps

Wafaa Assaad

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review


Many earlier works were devoted to the study of the breakdown of superconductivity in type-II superconducting bounded planar domains, submitted to smooth magnetic fields. In the present contribution, we consider a new situation where the applied magnetic field is piecewise-constant, and the discontinuity jump occurs along a smooth curve meeting the boundary transversely. To handle this situation, we perform a detailed spectral analysis of a new effective model. Consequently, we establish the monotonicity of the transition from a superconducting to a normal state. Moreover, we determine the location of superconductivity in the sample just before it disappears completely. Interestingly, the study shows similarities with the case of corner domains subjected to constant fields.

TidskriftCommunications in Contemporary Mathematics
Tidigt onlinedatum2020 mars 4
StatusPublished - 2021

Ämnesklassifikation (UKÄ)

  • Matematik


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