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Majorana Quantum Lego, a Route Towards Fracton Matter
Yizhi You, Felix von Oppen
Fracton topological phases host fractionalized topological quasiparticles with restricted mobility, with promising applications to fault-tolerant quantum computation. While a varie…
Higher order topological superconductors as generators of quantum codes
Yizhi You, Daniel Litinski, Felix von Oppen
We show that interactions can drive a class of higher order topological superconductors (HOTSC) into symmetry enriched topologically ordered phases exemplified by topological quant…
Universal Scaling Theory of the Boundary Geometric Tensor in Disordered Metals
Miklós Antal Werner, Arne Brataas, Felix von Oppen +1
We investigate the finite-size scaling of the boundary quantum geometric tensor (QGT) numerically close to the Anderson localization transition in the presence of small external ma…
Tuning the coupling of an individual magnetic impurity to a superconductor: quantum phase transition and transport
Laëtitia Farinacci, Gelavizh Ahmadi, Gaël Reecht +6
The exchange scattering at magnetic adsorbates on superconductors gives rise to Yu-Shiba-Rusinov (YSR) bound states. Depending on the strength of the exchange coupling, the magneti…
Wave-function hybridization in Yu-Shiba-Rusinov dimers
Michael Ruby, Benjamin W. Heinrich, Yang Peng +2
Magnetic adsorbates on superconductors induce local bound states within the superconducting gap. These Yu-Shiba-Rusinov (\YSR) states decay slowly away from the impurity compared t…
Quantum Computing with Majorana Fermion Codes
Daniel Litinski, Felix von Oppen
We establish a unified framework for Majorana-based fault-tolerant quantum computation with Majorana surface codes and Majorana color codes. All logical Clifford gates are implemen…