The Hartree-Fock method with single-particle wavefunctions adapted in symmetry to the respective regimes, i.e. spherical wavefunctions for dominating Coulomb forces ( beta z=B/(Z24.7010*105 Tesla)or approximately=1), has been employed to determine wavefunctions, energies and oscillator strengths of helium-like atoms for magnetic field strengths in the range 4.7*101 to 4.7*108 T. In addition, the problem of level correspondence between the low-field and high-field domains is solved.

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