Optical isotopic shifts and hyperfine splittings for Yb

Clark, D. L.; Cage, Marvin E.; Lewis, D. A.; Greenlees, G.W.

doi:10.1103/physreva.20.239

Cited by 75 publications

(38 citation statements)

References 43 publications

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“…where a 3957 MHz is the atomic hyperfine coupling constant [20], and d k , d kz , i k , and j k are the transition dipole moment, the axial component of d k , the nuclear spin, and the electronic total angular momentum of the atom k (k 1, 2), respectively. The value of the transition dipole moment is 0.311 a.u., which is calculated from the radiative lifetime of 874 ns for the 3 P 1 state [21].…”

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confidence: 99%

Hyperfine-Structure-Induced Purely Long-Range Molecules

et al. 2008

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We have experimentally observed and theoretically identified a novel class of purely long-range molecules. This novel purely long-range state is formed due to a very weak hyperfine interaction that is usually treated only as a small perturbation in molecular spectra. Photoassociation spectroscopy of ultracold ytterbium (171Yb) atoms with the 1S0-3P1 intercombination transition presents clear identification of molecular states and the shallowest molecular potential depth of about 750 MHz among the purely long-range molecules ever observed.

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confidence: 99%

Hyperfine-Structure-Induced Purely Long-Range Molecules

et al. 2008

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“…Only for Sr is found an agreement of the two c%n(P ) values which is similar to Yb, whereas for Ca and especially for Ba considerable discrepancies are obtained. The poor agreement of the ~ten(P) values for Yb in Table 2 is not surprising since only the 3P 1 level can be assumed to be pure [13] whereas the 4f ~4 6s 6p 1p~ level has an admixture of the configuration 4f135d6s a [11], so that the relation (6) is not exactly valid for this level. The configuration mixing also explains, (i) that it is not possible to get a good simultaneous fit of the hyperfine constants of the singlet and triplet states [9,11,16] and (ii) that the absolute values of the isotope shifts in the transition 4 f 14 6 s 6 p i Pi -4 f i 4 6 s 2 1S o are smaller than in the transition 4f 14 6s 6p 3P 1-4f i4 6s 2 1S 0 [11,19].…”

Section: Discussion Of the Resultsmentioning

confidence: 84%

“…The hyperfine constants of the odd Yb isotopes have been determined by high resolution spectroscopy [8][9][10][11], the gj value by optical double resonance [12,13], and the g/ values by optical pumping [14]. The results thus obtained for the tensor polarizabilities are compiled in column 5 of Table 1.…”

Section: Measurements and Resultsmentioning

confidence: 99%

Stark effect investigations of the 4f 14 6s 6p 3 P 1 and1 P 1 levels of ytterbium

Rinkleff

1980

Z Physik A

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The tensor polarizabilities of the 4f~6s6p 3p~ level were investigated for all stable Ytterbium isotopes by the method of optical double resonance. The tensor polarizabilities were deduced from the rf-resonance signals in parallel electric and magnetic fields. The value obtained for the even Yb isotopes is in good agreement with the results derived from the measurements on the odd isotopes. The mean value is ~ten(3P1) = 5.99 (34) kHz/(kV/cm) 2. The tensor polarizability of the 4f ~ ~ 6 s 6 p 1p~ level of t 71yb was measured by means of the level crossing technique with parallel electric and magnetic fields. The experimental result is 7ten(~P~)=-14.3(1.4)kHz/(kV/cm) 2. This is compared with the prediction of the LS coupling approximation using the experimental data of the 3~ level. Only poor agreement is obtained which is due to the configuration mixing in the 1P 1 level.

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“…2, this is an extremely state-selective detection scheme. Any atoms in the m F = +1/2 sublevel of the ground state do not interact with the probe laser because the only transition from this sublevel driven by the σ + light is to the {F ′ = 3/2, m F ′ = +3/2} sublevel, which is almost 6 GHz away [28]. Thus the laser is detuned by more than 30 000 linewidths, and the transition probability is reduced by a factor of 10 9 .…”

Section: Methodsmentioning

confidence: 99%

Proposed search for an electric-dipole moment using laser-cooled 171Yb atoms

Natarajan

2004

Eur. Phys. J. D

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Abstract. We propose an experiment to search for a permanent atomic electric-dipole moment (EDM) using laser-cooled 171 Yb atoms launched in an atomic fountain. A uniform B field sets the quantization axis, and the Ramsey separated-oscillatory-fields method is used to measure the Zeeman precession frequency of the atoms. Laser beams of appropriate polarization are used for preparation and detection in a given magnetic sublevel. The signature of an EDM is a shift in the Ramsey resonance correlated with application of a large E field. The precision is expected to be at least 20 times better than current limits because the use of a cold atomic beam allows application of E field 10 times larger than in a vapor cell, and the interaction time with the E field is 200 times larger compared to a thermal beam. The leading source of systematic error in beam experiments, the E × v/c motional magnetic field, is reduced considerably because of the near-perfect reversal of velocity between up and down trajectories through the E-field region.

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Optical isotopic shifts and hyperfine splittings for Yb

Cited by 75 publications

References 43 publications

Hyperfine-Structure-Induced Purely Long-Range Molecules

Hyperfine-Structure-Induced Purely Long-Range Molecules

Stark effect investigations of the 4f 14 6s 6p 3 P 1 and1 P 1 levels of ytterbium

Proposed search for an electric-dipole moment using laser-cooled 171Yb atoms

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