Author

M. Franz

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Preprint Oct 2026

Engineering nonrelativistic spin splitting in semiconductors by altermagnetic proximity

Altermagnets combine vanishing net magnetization with momentum-dependent, nonrelativistic spin splitting, offering functionalities attractive for spintronics and quantum devices. Their practical use, however, is constrained by the limited availability of materials that simultaneously possess the required altermagnetic...

Sing-Lam Wong, M. Franz · 0 citations

Preprint Sep 2026

Topological superconductivity in an altermagnet-superconductor heterostructure

Fully gapped spin-triplet superconductors offer a natural setting for topological edge transport and Majorana excitations. Here we propose a heterostructure that interfaces altermagnetic monolayer V$_2$Se$_2$O with a conventional $s$-wave superconductor. Starting from an ab-initio description of V$_2$Se$_2$O, we constr...

Michael Liudeng, Hrishikesh Patel, M. Franz et al. · 3 citations

Preprint Oct 2026

Measuring higher-order bulk topology in a programmable quantum simulator

Topological insulators lie outside the standard Landau paradigm: Instead of being characterized by local order parameters and spontaneous symmetry breaking, their defining properties are encoded in the global structure of their quantum states and manifested as robust boundary states. Crystalline higher-order topologica...

Pratik Sathe, N. Heinsdorf, Majid Kheirkhah et al. · 0 citations