Regensburg 2025 – wissenschaftliches Programm

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PLV: Plenarvorträge

PLV IV

PLV IV: Plenarvortrag

Dienstag, 18. März 2025, 08:30–09:15, H1

Some new aspects of unconventional superconductivity in layered materials — •Irina Grigorieva — University of Manchester, Manchester, UK

I will overview our recent work on layered superconductors where signatures of unconventional superconductivity are revealed or sometimes promoted by their response to magnetic fields. Magnetic correlations and superconductivity are usually antagonistic. However, in some situations external magnetic fields can be helpful in bringing to light new superconducting properties. One example is magnetic field induced multiphase superconductivity in an anisotropic superconductor with strong spin-orbit coupling, PdBi2. Another is an unconventional response of surface superconductivity to the applied magnetic field due to the presence of topological surface states in In2Bi. Yet another is proximity superconductivity surviving in the quantum Hall regime in Josephson junctions based on twisted bilayer graphene. I will discuss the underlying mechanisms and their relation to unconventional topology of these materials.

Keywords: superconductivity; unconventional superconductivity