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Phys. Rev. A 74, 042101 (2006) [17 pages]

Body-assisted van der Waals interaction between two atoms

Abstract

References (49)

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Hassan Safari, Stefan Yoshi Buhmann, and Dirk-Gunnar Welsch
Theoretisch-Physikalisches Institut, Friedrich-Schiller-Universität Jena, Max-Wien-Platz 1, 07743 Jena, Germany

Ho Trung Dung
Institute of Physics, Academy of Sciences and Technology, 1 Mac Dinh Chi Street, District 1, Ho Chi Minh City, Vietnam

See Also: Publisher's Note

Received 9 June 2006; published 12 October 2006; publisher error corrected 18 October 2006

Usingfourth-order perturbation theory, a general formula for the van derWaals potential of two neutral, unpolarized, ground-state atoms in thepresence of an arbitrary arrangement of dispersing and absorbing magnetodielectricbodies is derived. The theory is applied to two atomsin bulk material and in front of a planar multilayersystem, with special emphasis on the cases of a perfectlyreflecting plate and a semi-infinite half space. It is demonstratedthat the enhancement and reduction of the two-atom interaction dueto the presence of a perfectly reflecting plate can beunderstood, at least in the nonretarded limit, by using themethod of image charges. For the semi-infinite half space, bothanalytical and numerical results are presented.

©2006 The American Physical Society

URL:	http://link.aps.org/doi/10.1103/PhysRevA.74.042101
DOI:	10.1103/PhysRevA.74.042101
PACS:	12.20.-m; 42.50.Vk; 34.20.-b; 42.50.Nn 12.20.-m Quantum electrodynamics 42.50.Vk Mechanical effects of light on atoms, molecules, electrons, and ions 34.20.-b Interatomic and intermolecular potentials and forces, potential energy surfaces for collisions 42.50.Nn Quantum optical phenomena in absorbing, dispersive and conducting media YEAR: 2006
KEYWORDS:	van der Waals forces, ground states, atomic moments, electric moments, perturbation theory

See Also

Publisher's Note: Body-assisted van der Waals interaction between two atoms [Phys. Rev. A 74, 042101 (2006)]
Hassan Safari, Stephan Yoshi Buhmann, Dirk-Gunnar Welsch et al.
Phys. Rev. A 74, 049906 (E) (2006)

REFERENCES (49)

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Erratum

Publisher's Note: Body-assisted van der Waals interaction between two atoms [Phys. Rev. A 74, 042101 (2006)]
Hassan Safari, Stephan Yoshi Buhmann, Dirk-Gunnar Welsch et al.
Phys. Rev. A 74, 049906 (E) (2006)

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