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Microscopic evidence for a chiral superconducting order parameter in the heavy fermion superconductor UTe2
Lin Jiao, Sean Howard, Sheng Ran +6
Spin-triplet superconductivity is a condensate of electron pairs with spin-1 and an odd-parity wavefunction. A particularly interesting manifestation of triplet pairing is a chiral…
Superconducting gap anisotropy and topological singularities due to lattice translational symmetry and their thermodynamic signatures
Bastian Zinkl, Mark H. Fischer, Manfred Sigrist
Symmetry arguments based on the point group of a system and thermodynamic measurements are often combined to identify the order parameter in unconventional superconductors. However…
Superconducting order parameter of SrRuO: a microscopic perspective
Aline Ramires, Manfred Sigrist
The character of the superconducting phase of SrRuO, is topic of a longstanding discussion. The classification of the symmetry allowed order parameters has relied on the te…
Braiding Majorana corner modes in a second-order topological superconductor
Tudor E. Pahomi, Manfred Sigrist, Alexey A. Soluyanov
We propose the concept of a device based on a square-shaped sample of a two-dimensional second-order topological helical superconductor which hosts two zero-dimensional Majorana qu…
Deviation from the Fermi-Liquid Transport Behavior in the Vicinity of a Van Hove Singularity
František Herman, Jonathan Buhmann, Mark H Fischer +1
Recent experiments revealed non-Fermi-liquid resistivity in the unconventional superconductor SrRuO when strain pushes one of the Fermi surfaces close to a van Hove sin…