Axilrod-Teller interaction

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The Axilrod-Teller interaction for three-body interactions is given by (Ref. 1):

\Phi_{123}= C\frac{3 \cos(\gamma_1)\cos(\gamma_2) \cos(\gamma_3) +1}{r_{12}^3 r_{23}^3 r_{31}^3}

where r_{ij} are the lengths of the sides and \gamma_i are the angles of the triangle formed by the three atoms.

References[edit]

  1. B. M. Axilrod and E. Teller "Interaction of the van der Waals Type Between Three Atoms", Journal of Chemical Physics 11 pp. 299-300 (1943)