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Higher-Order Stark Effect on Magnetic Fine Structure of the Helium Atom

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The Hydrogen Atom

Part of the book series: Lecture Notes in Physics ((LNP,volume 570))

Abstract

We have calculated the scalar and tensor dipole polarizabilities (β) and hyperpolarizabilities (γ) of excited 1s2p 3 P}in0}, 1s2p 3 P 2- states of helium. Our theory includes fine structure of triplet sublevels. Semiempirical and accurate electron-correlated wave functions have been used to determine the static values of β and γ. Numerical calculations are carried out using sums of oscillator strengths and, alternatively, with the Green function for the excited valence electron. Specifically, we present results for the integral over the continuum, for second- and fourth-order matrix elements. The corresponding estimations indicate that these corrections are of the order of 23% for the scalar part of polarizability and only of the order of 3% for the tensor part

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© 2001 Springer-Verlag Berlin Heidelberg

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Magunov, A., Ovsiannikov, V., Pal’chikov, V., Pivovarov, V., von Oppen, G. (2001). Higher-Order Stark Effect on Magnetic Fine Structure of the Helium Atom. In: Karshenboim, S.G., Bassani, F., Pavone, F., Inguscio, M., Hänsch, T. (eds) The Hydrogen Atom. Lecture Notes in Physics, vol 570. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45395-4_55

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  • DOI: https://doi.org/10.1007/3-540-45395-4_55

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-41935-8

  • Online ISBN: 978-3-540-45395-6

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