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Hyperfine Shifts, Radiative Corrections

  • Hartmut M. Pilkuhn
Part of the Texts and Monographs in Physics book series (TMP)

Abstract

Atomic fine and hyperfine structures are normally small and may be treated as perturbations of the nonrelativistic Schrödinger Hamiltonian. However, many level splittings are measured so precisely that their calculation would require second-order and even third-order perturbation theory. It is then much easier to take the fine structure from the Dirac equation, and to calculate the hyperfine structure as a perturbation of the Dirac equation. The experimental hyperfine splittings of the hydrogen and muonium ground states are 1 420 405.751767 kHz and 4 463 302.8 kHz, respectively (1 kHz 4.1357 × 10-12 eV). For such cases, the first-order hyperfine splitting of the Dirac equation follows from (5.11) below to all orders in αz.

Keywords

Dirac Equation Radiative Correction Vacuum Polarization Lamb Shift Quantum Defect 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2003

Authors and Affiliations

  • Hartmut M. Pilkuhn
    • 1
  1. 1.Institut für theoretische TeilchenphysikUniversität KarlsruheKarlsruheGermany

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