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Quantum Logic Spectroscopy Improves Atomic Measurements by Factor of 100 Million

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BRAUNSCHWEIG, Germany, Feb. 4, 2020 — Scientists from the Physikalisch-Technische Bundesanstalt (PTB) and the Max Planck Institute for Nuclear Physics (MPIK) have enabled precise optical measurements of highly charged ions by isolating a single highly charged ion from an extremely hot plasma and bringing it almost to rest inside an ion trap, along with a laser-cooled, singly charged ion. The physicists used quantum logic spectroscopy on the ion pair to increase the relative precision of their measurements by a factor of a hundred million over previous methods. To date, scientists have not been able to apply established...Read full article

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