Titlebook: Non-Relativistic QED Theory of the van der Waals Dispersion Interaction; Akbar Salam Book 2016 The Author(s) 2016 Casimir-Polder Interacti

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2191-5407 ilateral triangles. Lastly, it computes near and far-zone asymptotic limits for both pair and many-body potentials, with the former shown to agree with less rigorous semi-classical calculations..978-3-319-45604-1978-3-319-45606-5Series ISSN 2191-5407 Series E-ISSN 2191-5415

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Non-relativistic QED,ical variables to quantum operators finally yields the molecular QED Hamiltonian, which is expressed in minimal-coupling and multipolar forms. In the QED formulation, the electromagnetic field is described as a set of independent simple harmonic oscillators. Elementary excitations of the field, the photons, emerge automatically on quantisation.

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Dispersion Interaction Between Two Atoms or Molecules,ion of wave function overlap. Asymptotically limiting forms of the interaction energy applicable in the near-and far-zone regions are also found. The former reproduces the London dispersion formula, while the latter exhibits an inverse seventh power law due to the effects of retardation.

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Introduction,To account for the electromagnetic nature of forces between particles of matter, the photon is introduced within the framework of quantum electrodynamics theory. Manifestations of dispersion forces between microscopic entities and macroscopic bodies are briefly reviewed.