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11 papers · 2 filters
Reducing the frequency of the Higgs mode in a helical superconductor coupled to an LC-circuit
Yao Lu, Stefan Ilić, Risto Ojajärvi +2
We show that the amplitude, or Higgs mode of a superconductor with strong spin-orbit coupling and an exchange field, couples linearly to the electromagnetic field. Furthermore, by…
Anisotropic differential conductance of a mixed parity superconductor/ferromagnet structure
Tim Kokkeler, Alberto Hijano, F. Sebastián Bergeret
We study the electronic transport properties of a superconductor (S) with a mixed s+p-wave pairing attached to a ferromagnetic metal (F) and a normal electrode (N) in an SFN config…
Field-free anomalous junction and superconducting diode effect in spin split superconductor/topological insulator junctions
Tim Kokkeler, F. Sebastián Bergeret, Alexander Golubov
We study the transport properties of a diffusive Josephson junction between two spin-split superconductors made of superconductor-ferromagnetic insulator bilayers (FIS) on top of a…
Ab initio study of metastable occupation of tetrahedral sites in palladium hydrides and its impact on superconductivity
Antonella Meninno, Ion Errea
A recent experimental work on palladium hydrides suggested that metastable structures with hydrogen atoms occupying tetrahedral sites could lead to superconductivity above 50 K, a…
Nonlinear -model for disordered systems with intrinsic spin-orbit coupling
P. Virtanen, F. S. Bergeret, I. V. Tokatly
We derive the nonlinear -model to describe diffusive transport in normal metals and superconductors with intrinsic spin-orbit coupling (SOC). The SOC is described via an SU(2) g…
Absence of sizable superconductivity in hydrogen boride: A first principles study
Antonella Meninno, Ion Errea
The recently synthesized hydrogen boride monolayer in the Cmmm phase is a promising super-conductor due to its similarity to MgB2 and the large hydrogen content in its structure. M…