Scattering approach to dispersive atom-surface interactions

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We develop the scattering approach for the dispersive force on a ground state atom on top of a corrugated surface. We present explicit results to first order in the corrugation amplitude. A variety of analytical results are derived in different limiting cases, including the van der Waals and Casimir-Polder regimes. We compute numerically the exact first-order dispersive potential for arbitrary separation distances and corrugation wavelengths, for a Rubidium atom on top of a silicon or gold corrugated surface. We consider in detail the correction to the proximity force approximation, and present a very simple approximation algorithm for computing the potential.

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Dalvit, Diego; Messina, Riccardo; Maia Neto, Paulo; Lambrecht, Astrid & Reynaud, Serge January 1, 2009.

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We develop the scattering approach for the dispersive force on a ground state atom on top of a corrugated surface. We present explicit results to first order in the corrugation amplitude. A variety of analytical results are derived in different limiting cases, including the van der Waals and Casimir-Polder regimes. We compute numerically the exact first-order dispersive potential for arbitrary separation distances and corrugation wavelengths, for a Rubidium atom on top of a silicon or gold corrugated surface. We consider in detail the correction to the proximity force approximation, and present a very simple approximation algorithm for computing the potential.

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  • Journal Name: Physical Review A

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  • Report No.: LA-UR-09-00814
  • Report No.: LA-UR-09-814
  • Grant Number: AC52-06NA25396
  • Office of Scientific & Technical Information Report Number: 956402
  • Archival Resource Key: ark:/67531/metadc928989

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • January 1, 2009

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  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 12, 2016, 6:16 p.m.

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Dalvit, Diego; Messina, Riccardo; Maia Neto, Paulo; Lambrecht, Astrid & Reynaud, Serge. Scattering approach to dispersive atom-surface interactions, article, January 1, 2009; [New Mexico]. (digital.library.unt.edu/ark:/67531/metadc928989/: accessed November 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.