Abstract
The static dipole, quadrupole, and octupole polarizabilities of heliumlike ions are calculated for the $1s2p{}^{1}P$ and $1s2p{}^{3}P$ states with $Z$ up to 10, using variational wave functions in Hylleraas coordinates. A general sum rule for the ${2}^{l}$-pole oscillator strengths is derived.
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