Stark- and Zeeman-effect of resonance lines of Ba I

Schuh, B.; Neureiter, Christian; Jäger, Helmut; Windholz, Laurentius

doi:10.1007/s004600050021

Cited by 7 publications

(3 citation statements)

References 11 publications

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“…These systems are the ones under consideration as frequency standards or are being used in atomic parity violation experiments. Measurements for some states have been omitted from the table, and some older or less precise results on Sc, Y, La and Lu [307], Cd [206], Ba [259,266,308], Hg [206], Yb [276], Sm and Eu [273] have also been omitted.…”

Section: Other Datamentioning

confidence: 99%

Theory and applications of atomic and ionic polarizabilities

Mitroy¹,

Safronova²,

Clark³

2010

J. Phys. B: At. Mol. Opt. Phys.

475

541

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Atomic polarization phenomena impinge upon a number of areas and processes in physics. The dielectric constant and refractive index of any gas are examples of macroscopic properties that are largely determined by the dipole polarizability. When it comes to microscopic phenomena, the existence of alkaline-earth anions and the recently discovered ability of positrons to bind to many atoms are predominantly due to the polarization interaction. An imperfect knowledge of atomic polarizabilities is presently looming as the largest source of uncertainty in the new generation of optical frequency standards. Accurate polarizabilities for the group I and II atoms and ions of the periodic table have recently become available by a variety of techniques. These include refined many-body perturbation theory and coupled-cluster calculations sometimes combined with precise experimental data for selected transitions, microwave spectroscopy of Rydberg atoms and ions, refractive index measurements in microwave cavities, ab initio calculations of atomic structures using explicitly correlated wave functions, interferometry with atom beams, and velocity changes of laser cooled atoms induced by an electric field. This review examines existing theoretical methods of determining atomic and ionic polarizabilities, and discusses their relevance to various applications with particular emphasis on cold-atom physics and the metrology of atomic frequency standards.

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Section: Other Datamentioning

confidence: 99%

Theory and applications of atomic and ionic polarizabilities

Mitroy¹,

Safronova²,

Clark³

2010

J. Phys. B: At. Mol. Opt. Phys.

475

541

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“…Determinations of polarizabilities of low lying odd parity barium J"1 levels were made by a number of high-resolution sub-Doppler methods, for example optical double resonance [7], level-crossing spectroscopy [8,9], quantum beat spectroscopy [10] and laser atomicbeam spectroscopy [11][12][13]. In the present work the quantum beat method has been applied to determine experimental values of the tensor polarizabilities of the 6snp P levels ranging from 8 to 15 and of the perturber 5d7p P for the first time.…”

Section: Introductionmentioning

confidence: 99%

Stark effect in odd-parity J = 1 levels of neutral barium

Rinkleff

Wehmschulte

1997

Z Phys D - Atoms, Molecules and Clusters

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Stark splitting of the barium 6snp P states with principal quantum numbers ranging from 8 to 15 and of the 5d7p P perturber level was measured in an atomic beam via pulsed laser excitation with timeand wave length-resolved fluorescence detection at low electric field strengths. Tensor polarizabilities were derived from the quantum beat signals observed in pure homogeneous electric fields. Strong variations of the tensor polarizabilities of the levels in the 6snp P series were found.

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“…For Ba, the scalar and tensor polarizabilities of the 6s 2 1 S 0 ground state and some states of the 6s5d, 6s6p, and 5d6p configurations were determined [4][5][6] …”

Section: Introductionmentioning

confidence: 99%