suspended CVD graphene

**Magnetic field independent sub-gap states in hybrid Rashba nanowires**

Most reports on the highly visible topic of Majorana Fermions in solid state systems are based on the observation of **magnetic field independent transport resonances** at zero bias, so-called zero-bias peaks. Such topologically non-trivial states can form if a conventional superconductor is coupled to a material with a strong spin-orbit interaction.

In the work, published in **Physical Review Letters**, the team around Dr. Christian Jünger found that in such systems, magnetic field independent states can also form in the topologically trivial phase, either at zero bias, or at a finite bias, because the injected electron spins are rotated by the** spin orbit interaction** in such a way, that the effect of an external magnetic field is averaged out over the finite length of the nanowire. As a byproduct, this also gives the opportunity to extract the badly established spin-orbit strength in such materials. The finding that not only Majorana bound states can be** immune to magnetic fields** is crucial for future interpretation of magnetic field measurements of superconducting bound states in general.

The article was highlighted by the editorial board as PRL * Editors’ Suggestion *as an outstanding publication.

Christian Jünger *et al. *Phys. Rev. Lett. **125**, 017701 (2020)