Non-perturbative theory of dispersion interactions

M. Boström; P. Thiyam; C. Persson; D. F. Parsons; S. Y. Buhmann; I. Brevik; Bo E. Sernelius

doi:10.1088/0031-8949/90/3/035405

Non-perturbative theory of dispersion interactions

M. Boström, P. Thiyam, C. Persson, D. F. Parsons, S. Y. Buhmann, I. Brevik, Bo E. Sernelius

Research output: Contribution to journal › Article › peer-review

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Abstract

Some open questions exist with fluctuation-induced forces between extended dipoles. Conventional intuition derives from large-separation perturbative approximations to dispersion force theory. Here, we present a full non-perturbative theory. In addition, we discuss how one can take into account finite dipole size corrections. It is of fundamental value to investigate the limits of validity of the perturbative dispersion force theory.

Original language	English
Article number	035405
Journal	Physica Scripta
Volume	90
Issue number	3
DOIs	https://doi.org/10.1088/0031-8949/90/3/035405
Publication status	Published - 1 Mar 2015

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keywords = "fluctuation forces, non-perturbative theory, van der Waals interactions",

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AU - Persson, C.

AU - Parsons, D. F.

AU - Buhmann, S. Y.

AU - Brevik, I.

AU - Sernelius, Bo E.

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N2 - Some open questions exist with fluctuation-induced forces between extended dipoles. Conventional intuition derives from large-separation perturbative approximations to dispersion force theory. Here, we present a full non-perturbative theory. In addition, we discuss how one can take into account finite dipole size corrections. It is of fundamental value to investigate the limits of validity of the perturbative dispersion force theory.

AB - Some open questions exist with fluctuation-induced forces between extended dipoles. Conventional intuition derives from large-separation perturbative approximations to dispersion force theory. Here, we present a full non-perturbative theory. In addition, we discuss how one can take into account finite dipole size corrections. It is of fundamental value to investigate the limits of validity of the perturbative dispersion force theory.

KW - fluctuation forces

KW - non-perturbative theory

KW - van der Waals interactions

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Non-perturbative theory of dispersion interactions

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