A new review investigates the search of Majorana fermions in iron-based superconductors. The elusive Majorana fermion, or 'angel particle' simultaneously behaves like a particle and an antiparticle -- and surprisingly remains stable rather than being self-destructive. Majorana fermions promise information and communications technology with zero resistance, addressing the rising energy consumption of modern electronics (already 8% of global electricity consumption), promising a sustainable future for computing. Majorana zero-energy modes in topological superconductors makes those exotic quantum materials the main candidate materials for realizing topological quantum computing.
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