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Physicists Create First-Ever Antimatter Qubit, Making the Quantum World Even Weirder
In its second antimatter breakthrough this month, CERN announced it successfully created the first-ever antimatter qubit, paving the way to even weirder quantum experiments.
The team made substantial revisions to its technology, paying special attention to developing the mechanisms needed to suppress and eliminate decoherence. This hard work paid off; the antiproton performed a stable quantum swing for 50 seconds—a motion akin to how qubits exist in superpositions of states, which theoretically could allow them to store exponential loads of information. Additionally, it marked the first time physicists observed this phenomenon in a single free nuclear magnetic moment, whereas previous experiments had only seen it in large groups of particles.
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