Axilrod–Teller potential
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The Axilrod–Teller potential in molecular physics, is a three-body potential that results from a third-order perturbation correction to the attractive London dispersion interactions (instantaneous induced dipole-induced dipole)
where is the distance between atoms and , and is the angle between the vectors and . The coefficient is positive and of the order , where is the ionization energy and is the mean atomic polarizability; the exact value of depends on the magnitudes of the dipole matrix elements and on the energies of the orbitals.
References
[edit]- Axilrod, B. M.; Teller, E. (1943). "Interaction of the van der Waals Type Between Three Atoms". Journal of Chemical Physics. 11 (6): 299. Bibcode:1943JChPh..11..299A. doi:10.1063/1.1723844.