Laser spectroscopy of alkaline earth atoms in He II
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Cited by (83)
A CASPT2 study of the spectral shift of the resonance emission lines of Rb and Cs embedded in liquid He
2016, Chemical Physics LettersCitation Excerpt :Due to non-availability of accurate excited state pair potential in liquid He environment, precise calculation of the emission spectral wavelength becomes more difficult. Moreover, such shifts are usually much smaller compared to those of the absorption spectra as it was observed for Ca, Sr and Ba to be less than 1 nm [13]. Mg has a shift of 3.2 ± 0.2 nm for the emission line (3s2: 1S ← 3s3p: 1P) with FWHM of 3.3 nm [12].
Calculations of the spectral shifts and line profiles of alkaline earth atoms in liquid helium environment
2012, Chemical Physics LettersCitation Excerpt :For the potential based on the CRSP parameters [41] we obtain using the same O3LYP functional a blue shift of −4.7 nm, in good agreement with the experimental value of −2.7 nm. This could be compared with the value obtained from the bubble model estimate [11] of −21.5 nm. It is clear that the present method represents a considerable improvement over previous theoretical approaches.
Spectroscopy of Confined Atomic Systems: Effect of Plasma
2009, Advances in Quantum ChemistryAtomic and molecular defects in solid <sup>4</sup>He
2008, Physics ReportsCitation Excerpt :Since the laser ablation in liquid He produces mostly impurity clusters, [124,121,58,56] a second delayed laser pulse was applied in some experiments in order to dissociate the clusters, and to produce individual impurity atoms. In other experiments [122,123,44,74,45,94] the same effect was achieved by increasing the repetition rate of the ablation laser up to 1 kHz. The same laser-ablation technique was used to dope solid He first with barium [67] and later with alkali [126] atoms.
Impurity Systems in Condensed Helium-4
2022, Journal of Low Temperature Physics