Chen, J.
, Brewer, S.
, Hume, D.
, Chou, C.
, Wineland, D.
and Leibrandt, D.
(2017),
Sympathetic Ground State Cooling and Time-dilation Shifts in an 27Al+ Optical Clock, Physics Review Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=921576
(Accessed December 12, 2024)