Coulomb crystallization of highly charged ions

Science
L SchmögerJ R Crespo López-Urrutia

Abstract

Control over the motional degrees of freedom of atoms, ions, and molecules in a field-free environment enables unrivalled measurement accuracies but has yet to be applied to highly charged ions (HCIs), which are of particular interest to future atomic clock designs and searches for physics beyond the Standard Model. Here, we report on the Coulomb crystallization of HCIs (specifically (40)Ar(13+)) produced in an electron beam ion trap and retrapped in a cryogenic linear radiofrequency trap by means of sympathetic motional cooling through Coulomb interaction with a directly laser-cooled ensemble of Be(+) ions. We also demonstrate cooling of a single Ar(13+) ion by a single Be(+) ion-the prerequisite for quantum logic spectroscopy with a potential 10(-19) accuracy level. Achieving a seven-orders-of-magnitude decrease in HCI temperature starting at megakelvin down to the millikelvin range removes the major obstacle for HCI investigation with high-precision laser spectroscopy.

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Citations

Nov 2, 2015·The Review of Scientific Instruments·L SchmögerJ R Crespo López-Urrutia
Apr 7, 2017·Optics Express·Ryan A CarolloDavid Hanneke
Mar 24, 2018·Physical Review Letters·R ShanivH Häffner
Jul 1, 2017·Nature Communications·Akira OzawaThomas Udem
Jul 7, 2018·Physical Review Letters·C SolaroM Drewsen
Oct 2, 2019·Physical Review Letters·G CerchiariA Kellerbauer
Jul 1, 2019·The Review of Scientific Instruments·P MickeJ R Crespo López-Urrutia
Oct 3, 2019·The Review of Scientific Instruments·Shiyong LiangKelin Gao
Sep 11, 2020·Physical Review Letters·A C HughesC J Ballance
Dec 31, 2016·Physical Review Letters·I I TupitsynV A Dzuba
Aug 10, 2017·Optics Express·Christian D MarciniakMichael J Biercuk
Jul 2, 2018·The Review of Scientific Instruments·P MickeJ R Crespo López-Urrutia
Dec 13, 2019·Nature Communications·H BekkerJ C Berengut
Jun 12, 2020·Scientific Reports·Chunhai LyuZoltán Harman
May 8, 2020·Nature·Marianna S Safronova
Aug 3, 2019·The Review of Scientific Instruments·T LeopoldP O Schmidt
Oct 23, 2020·Applied Physics. B, Lasers and Optics·Julian SchmidtLeon Karpa
Mar 18, 2021·Optics Express·J NautaJ R Crespo López-Urrutia
Sep 3, 2021·The Review of Scientific Instruments·J StarkJ R Crespo López-Urrutia

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