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First Antiproton Quantum Bit Created At CERN's Antimatter Factory

GENEVA, SWITZERLAND, JUL 25 – The BASE collaboration demonstrated an antimatter qubit using an antiproton with 50 seconds of spin coherence to improve precision tests of fundamental physics.

Summary by IFLScience
The setup is more for studying antimatter than developing a realistic antimatter quantum computer.

5 Articles

For the first time, a quantum bit of antimatter could be produced. However, this is not used in quantum computers.

Antimatter Breakthrough: Physicists manipulated and measured the spin of a single antiproton for the first time – and thus created the first quantum bit of antimatter. The antimatter particle was held and controlled in a special case. This is an important breakthrough for the search for the difference between matter and antimatter, but also for the examination of fundamental natural constants, as the team reports in Nature. The dominance of matt…

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scinexx.de broke the news in on Thursday, July 24, 2025.
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