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THEMA: The most accurate optical single-ion clock worldwide

The most accurate optical single-ion clock worldwide 11 Monate 6 Tage her #1

  • Gregor Luthe
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Atomic clock experts from the Physikalisch-Technische Bundesanstalt (PTB) are the...

Atomic clock experts from the Physikalisch-Technische Bundesanstalt (PTB) are the first research group in the world to have built an optical single-ion clock which attains an accuracy which had only been predicted theoretically so far. Their optical ytterbium clock achieved a relative systematic measurement uncertainty of 3 E-18. The results have been published in the current issue of the scientific journal "Physical Review Letters".

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