W H Oskay

Testing the stability of fundamental constants with the 199Hg+ single-ion optical clock.

W M Itano, S A Diddams, L Hollberg, 2003, Physical review letters.

Measurement of the (199)Hg+ 5d9 6s2 (2)D(5/2) electric quadrupole moment and a constraint on the quadrupole shift.

W. Itano, W. Oskay, J. Bergquist, 2005, Physical review letters.

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.

Single-atom optical clock with high accuracy.

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