4 research outputs found
Theoretical study of the accuracy limits for the optical resonance frequency measurements
The principal limits for the accuracy of the resonance frequency measurements
set by the asymmetry of the natural resonance line shape are studied and
applied to the recent accurate frequency measurements in the two-photon 1s-2s
resonance and in the one-photon 1s-2p resonance in hydrogen atom. This limit
for 1s-2s resonance is found to be Hz compared to the accuracy
achieved in experiment Hz. In case of deuterium atom the limit is
essentially larger: Hz. For 1s-2p resonance the accuracy limit is
0.17 MHz while the uncertainty of the recent frequency measurement is about 6
MHz.Comment: to be published in Physical Review Letter