Van der Waals shifts in an atom near absorptive dielectric mirrors

Barton, Gabriel (1997) Van der Waals shifts in an atom near absorptive dielectric mirrors. Proceedings A: Mathematical, Physical and Engineering Sciences, 453 (1966). pp. 2461-2495. ISSN 1471-2946

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The changes of energies and lifetimes are calculated for an atom fixed near a flat dielectric mirror, or at the midpoint of the gap between two such mirrors. The theory is formulated only for the non‐retarded regime governed wholly by Coulomb forces, where all separations are much smaller than the dominant absorption wavelengths of the atom. It proceeds by constructing and then quantizing a simple model for the dielectric that admits dissipation and covers the resonant case important for experiments, where a downward atomic transition frequency can coincide with the (discrete) frequency of surface polaritons on a hypothetically non‐dissipative half‐space. The results are found first for zero temperature and then for T > 0. For completeness, an appendix extends the model to an unbounded medium.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Subjects: Q Science > QC Physics
Depositing User: EPrints Services
Date Deposited: 06 Feb 2012 21:00
Last Modified: 23 Jul 2012 10:57
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