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Controversial Quantum-Computing Paper Gets a Hefty Correction
The journal Science has lifted an expression of concern on a paper claiming evidence of Majorana quasiparticles, but concerns linger
For decades, physicists have been compelled by the idea that ultracold electrons in microscopic devices could behave collectively to form quasiparticles resistant to noise — both environmental perturbations and the inherent atomic jostling that plagues all quantum systems. Marcus thinks his approach is better than the alternatives, but even he acknowledges the situation: “It would be perfectly realistic to conclude based on all of the work that people have done that even though this is beautiful physics and completely correct, as far as I’m concerned, it doesn’t really reflect a path forward in designing quantum computers, because it’s just too fragile.” If you subscribe to Scientific American, you help ensure that our coverage is centered on meaningful research and discovery; that we have the resources to report on the decisions that threaten labs across the U.S.; and that we support both budding and working scientists at a time when the value of science itself too often goes unrecognized.
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