English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Tools annual

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Presents the access of premium content as premium feature

Premium Content

Global: Zendy Plus annual

Global: Zendy Free Plan

In order to improve the short-term stability of trapped-ion optical clocks,we are developing a frequency standard based on ${}^{115}$In${}^+$ /${}^{172}$Yb${}^+$ Coulomb crystals. For this purpose, we have developedscalable segmented Paul traps which allow a high level of control for multipleion ensembles. In this article, we detail on our recent results regarding thereduction of the leading sources of frequency uncertainty introduced by the iontrap: 2nd-order Doppler shifts due to micromotion and the heating of secularmotion, as well as the black-body radiation shift due to warming of the trap.We show that the fractional frequency uncertainty due to each of these effectscan be reduced to well below $10^{-19}$.

Evaluation of trap-induced systematic frequency shifts for a multi-ion optical clock at the $10^{-19}$ level