Volume 2, Issue 4
Three-body dispersion coefficients for excited hydrogen atoms

S. Z. Huang

10.4208/jams.121210.012111a

J. At. Mol. Sci., 2 (2011), pp. 325-333

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  • Abstract

The three-body van der Waals dispersion coefficients Z(l_1l_2l_2) (up to l_i = 5) for the H(1s)-H(1s)-H(1s) and H(2s)-H(2s)-H(2s) systems are calculated by virtue of the dynamic polarizabilities at imaginary photon frequencies. The expression for the 2^l-pole dynamic polarizabilities of atomic hydrogen is derived by application of the integration properties of the one-dimensional radial Coulomb Green's function. The results for the H(1s)-H(1s)-H(1s) system are consistent with previous calculation in the literature, while the results for the H(2s)-H(2s)-H(2s) systems are reported for the first time, and they are the main contribution of this work.

  • History

Published online: 2011-02

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