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Quasiclassical quantum defect theory and the spectrum of highly excited rubidium atoms

Ali Sanayei, Nils Schopohl, Jens Grimmel, Markus Mack, Florian Karlewski, József Fortágh
2015 Physical Review A. Atomic, Molecular, and Optical Physics  

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2015 pre-print arXiv:1501.07068v1 fatcat:j7wtvtejyzbxja2owkrmpqgz4u
We report on a significant discrepancy between recently published highly accurate variational calculations and precise measurements of the spectrum of Rydberg states in ^87Rb on the energy scale of fine splitting. Introducing a modified effective single-electron potential we determine the spectrum of the outermost bound electron from a standard WKB approach. Overall very good agreement with precise spectroscopic data is obtained.
doi:10.1103/physreva.91.032509 fatcat:rbj2qxf2knajvppu5ag5sx37hu
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Ali Sanayei, Nils Schopohl, Jens Grimmel, Markus Mack, Florian Karlewski, József Fortágh. "Quasiclassical quantum defect theory and the spectrum of highly excited rubidium atoms." Physical Review A. Atomic, Molecular, and Optical Physics 91.3 (2015)