135 citations · 242 across the 13 of their papers we have counts for
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physics.class-ph2005★ 4 cited
On a natural definition of the kilogram and the ampere: the objectives and consequences
Savely G. Karshenboim
We consider a recent proposal [1] to redefine the kilogram in terms of natural constants. In our opinion, the main objective of the redefinition should be to build such a version o…
physics.atom-ph2005★ 11 cited
Frequency comparisons and absolute frequency measurements of 171Yb+ single-ion optical frequency standards
E. Peik, B. Lipphardt, H. Schnatz +3
We describe experiments with an optical frequency standard based on a laser cooled Yb ion confined in a radiofrequency Paul trap. The electric-quadrupole transition fro…