Nonsingular van der Waals potentials for nonconducting condensed bodies
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abstract
Nonsingular van der Waals potentials are developed, from the newly established nonsingular intermolecular interactions by two of the present authors, for the following cases: two half spaces, two macroscopic spheres, a macroscopic sphere and a half space, a molecule and a half space, and a molecule and a sphere. Inclusion of a repulsive exponential-decay (Born) potential to each of the above attractive potentials is also discussed. In particular, calculations of cohesion and adhesion energies for two slabs have been performed for systems whose accurate Hamaker-Lifshitz constants and experimental surface and interfacial tensions are available. Agreement is good for each of these systems.
