Mila, Frédéric2019-06-192019-06-192019-06-19201610.1038/nphys3751https://infoscience.epfl.ch/handle/20.500.14299/158320The topological degeneracy associated with Majorana edge states has been measured in a spin-1/2 chain of cobalt atoms, thereby opening new avenues in low-dimensional quantum magnetism.text::journal::journal article::research article