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Robust realization of spin-polarized specular Andreev reflection in VO-based altermagnets
Yutaro Nagae, Andreas P. Schnyder, Satoshi Ikegaya
We theoretically investigate charge transport in a junction between a conventional superconductor and a VO-based altermagnet exhibiting distinctive spin-split quasi-one-dimensi…
Raman response in superconducting multiorbital systems with application to nickelates
Matías Bejas, Jun Zhan, Xianxin Wu +2
The recent discovery of high- superconductivity in pressurized and thin film nickelates is nowadays one of the most relevant and active topics in solid-state physics. The orig…
Detecting pairing symmetry of bilayer nickelates using electronic Raman scattering
Jun Zhan, Matías Bejas, Andreas P. Schnyder +3
The recent discovery of high-temperature superconductivity in both bulk and thin-film bilayer nickelates LaNiO has garnered significant attention. However, the correspo…
Suppression of Spectral Gap and Flat Bands on a Cuprate Superconductor Side-Surface
Gabriele Domaine, Mihir Date, Sydney K. Y. Dufresne +27
Side surfaces of cuprate superconductors are expected to display a suppressed -wave order parameter and zero-energy topological flat bands with a large density of states, making…
Switchable half-quantum flux states in a ring of the kagome superconductor CsVSb
Shuo Wang, Ilaria Maccari, Xilin Feng +14
Magnetic flux quantization in units of is a defining feature of superconductivity, rooted in the charge-2e nature of Cooper pairs. In a ring geometry, the flux quantiz…
Exotic superconducting states in altermagnets
Kirill Parshukov, Andreas P. Schnyder
The interplay between magnetism and superconductivity is one of the central topics of condensed matter physics, which has recently been put into new light by the discovery of alter…