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Spontaneous thermal Hall effect in three-dimensional chiral superconductors with gap nodes
Nobuyuki Yoshioka, Yoshiki Imai, Manfred Sigrist
Generic chiral superconductors with three-dimensional electronic structure have nodal gaps and are not strictly topological. Nevertheless, they exhibit a spontaneous thermal Hall e…
Superconductivity without inversion and time-reversal symmetries
Mark H Fischer, Manfred Sigrist, Daniel F Agterberg
The traditional symmetries that protect superconductivity are time-reversal and inversion. Here, we examine the minimal symmetries protecting superconductivity in two dimensions an…
Spin and Valley States in Gate-defined Bilayer Graphene Quantum Dots
Marius Eich, František Herman, Riccardo Pisoni +9
In bilayer graphene, electrostatic confinement can be realized by a suitable design of top and back gate electrodes. We measure electronic transport through a bilayer graphene quan…
Two-dimensional topological superconductivity with antiferromagnetic insulators
J. L. Lado, M. Sigrist
Two-dimensional topological superconductivity has attracted great interest due to the emergence of Majorana modes bound to vortices and propagating along edges. However, due to its…
Orbitally limited pair-density wave phase of multilayer superconductors
David Möckli, Youichi Yanase, Manfred Sigrist
We investigate the magnetic field dependence of an ideal superconducting vortex lattice in the parity-mixed pair-density wave phase of multilayer superconductors within a circular…
Tailoring by symmetry principles: The concept of Superconducting Fitness
Aline Ramires, Daniel F. Agterberg, Manfred Sigrist
We propose a generalization of the concept of superconducting fitness, which allows us to make statements analogous to Anderson's theorems concerning the stability of different sup…