Optical Lattice Clocks as Candidates for a Possible Redefinition of the SI Second.
Mikhail GurovJ. J. McFerranBartlomiej NagornyR. TyumenevZ. XuY. Le CoqRodolphe Le TargatPierre LemondeJérôme LodewyckS. BizePublished in: IEEE Trans. Instrum. Meas. (2013)