Theory of Ultralong-Range Rydberg Molecule Formation Incorporating Spin-Dependent Relativistic Effects: Cs(6s)-Cs(np) as Case Study

We calculate vibrational spectra of ultralong‐range Cs(32p) Rydberg molecules that form in an ultracold gas of Cs atoms. We account for the partial‐wave scattering of the Rydberg electrons from the Cs perturber atoms by including the full set of spin‐resolved 1,3SJ and 1,3PJ scattering phase shifts,...

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Veröffentlicht in:Chemphyschem 2016-11, Vol.17 (22), p.3683-3691
Hauptverfasser: Markson, Samuel, Rittenhouse, Seth T., Schmidt, Richard, Shaffer, James P., Sadeghpour, H. R.
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container_end_page 3691
container_issue 22
container_start_page 3683
container_title Chemphyschem
container_volume 17
creator Markson, Samuel
Rittenhouse, Seth T.
Schmidt, Richard
Shaffer, James P.
Sadeghpour, H. R.
description We calculate vibrational spectra of ultralong‐range Cs(32p) Rydberg molecules that form in an ultracold gas of Cs atoms. We account for the partial‐wave scattering of the Rydberg electrons from the Cs perturber atoms by including the full set of spin‐resolved 1,3SJ and 1,3PJ scattering phase shifts, and allow for the mixing of singlet (S=0) and triplet (S=1) spin states through Rydberg electron spin‐orbit and ground state electron hyperfine interactions. Excellent agreement with observed data in Saßmannshausen et al. [Phys. Rev. Lett. 2015, 113, 133201] in line positions and profiles is obtained. We also determine the spin‐dependent permanent electric dipole moments for these molecules. This is the first such calculation of ultralong‐range Rydberg molecules for which all of the relativistic contributions are accounted. Relatively cold: The vibrational spectra of ultralong‐range Cs(32p) Rydberg molecules that form in an ultracold gas of Cs atoms are calculated. This is the first such calculation of ultralong‐range Rydberg molecules for which all of the relativistic contributions are accounted.
doi_str_mv 10.1002/cphc.201600932
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R.</creatorcontrib><title>Theory of Ultralong-Range Rydberg Molecule Formation Incorporating Spin-Dependent Relativistic Effects: Cs(6s)-Cs(np) as Case Study</title><title>Chemphyschem</title><addtitle>ChemPhysChem</addtitle><description>We calculate vibrational spectra of ultralong‐range Cs(32p) Rydberg molecules that form in an ultracold gas of Cs atoms. We account for the partial‐wave scattering of the Rydberg electrons from the Cs perturber atoms by including the full set of spin‐resolved 1,3SJ and 1,3PJ scattering phase shifts, and allow for the mixing of singlet (S=0) and triplet (S=1) spin states through Rydberg electron spin‐orbit and ground state electron hyperfine interactions. Excellent agreement with observed data in Saßmannshausen et al. [Phys. Rev. Lett. 2015, 113, 133201] in line positions and profiles is obtained. We also determine the spin‐dependent permanent electric dipole moments for these molecules. 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source Wiley Online Library Journals Frontfile Complete
subjects cold molecules
dipole moments
relativistic effects
Rydberg systems
vibrational spectroscopy
title Theory of Ultralong-Range Rydberg Molecule Formation Incorporating Spin-Dependent Relativistic Effects: Cs(6s)-Cs(np) as Case Study
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