SEARCH Articles Figures Tables Absorption atomic frequency response Amplitude and Frequency of Skin Atom Vibration Atom exchange frequencies Atom jumping atomic vibrational “attempt” frequency Atomic jump frequency Atoms vibrational frequencies Bohr, frequency condition hydrogen atom Cesium atomic frequency standard Frequency calculations, hydrogen-atom Frequency difference, nonidentical atoms Optical frequency standard hydrogen atom Optical frequency standard trapped atoms Radio-frequency spectroscopy of optically oriented atoms