Kyoungsik Kim

The measurement of optical frequencies

Leo W. Hollberg, Scott A. Diddams, Tara M. Fortier, 2005 .

Single-atom optical clock with high accuracy.

F Levi, L. Hollberg, W. Itano, 2006, Physical review letters.

Observation of the 1S0-->3P0 clock transition in 27Al+.

D. Wineland, W. Itano, S. Diddams, 2007, physics/0703067.

Precision atomic spectroscopy for improved limits on variation of the fine structure constant and local position invariance.

N Ashby, F Levi, N. Ashby, 2007, Physical review letters.