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Prada et al., From Andreev to Majorana bound states in hybrid superconductor-semiconductor nanowires, Nature Reviews Physics, 2020","review_link":"https://arxiv.org/abs/1911.04512","review_verified":"true","summary":"A Majorana zero mode is half of an ordinary electron state, bound to the end of a special superconducting wire or to a vortex core; two separated halves store one quantum bit that local noise cannot easily disturb.","title":"Majorana zero modes and topological superconductors","topic_ref":null,"why":"Majorana modes are the basis of proposed topological qubits, and claims for them have repeatedly been challenged, so resolving them affects both physics and quantum-computing 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