Optical focusing of Bose-Einstein condensates

R. Richberg; S. S. Szigeti; A. M. Martin

doi:10.1103/PhysRevA.103.063304

Optical focusing of Bose-Einstein condensates

R. Richberg, S. S. Szigeti, A. M. Martin

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

6 Citations (Scopus)

Abstract

We theoretically investigate the optical focusing of a rubidium Bose-Einstein condensate onto a planar surface. Our analysis uses a Gaussian variational method that includes the effects of two-body atom-atom interactions and three-body recombination losses. The essential factors such as the width, peak density, and atom loss rate of the focused BEC profile on the surface are investigated and compared to Gross-Pitaevskii numerical simulations. We find a reasonable agreement in the results between our analytical approach and the numerical simulations. Our analysis predicts that condensates of 105 atoms could be focused down to ∼10 nm widths, potentially allowing nanometer-scale atomic deposition with peak densities greater than 105 atoms/μm2.

Original language	English
Article number	063304
Journal	Physical Review A
Volume	103
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevA.103.063304
Publication status	Published - Jun 2021

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10.1103/PhysRevA.103.063304

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abstract = "We theoretically investigate the optical focusing of a rubidium Bose-Einstein condensate onto a planar surface. Our analysis uses a Gaussian variational method that includes the effects of two-body atom-atom interactions and three-body recombination losses. The essential factors such as the width, peak density, and atom loss rate of the focused BEC profile on the surface are investigated and compared to Gross-Pitaevskii numerical simulations. We find a reasonable agreement in the results between our analytical approach and the numerical simulations. Our analysis predicts that condensates of 105 atoms could be focused down to ∼10 nm widths, potentially allowing nanometer-scale atomic deposition with peak densities greater than 105 atoms/μm2.",

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AB - We theoretically investigate the optical focusing of a rubidium Bose-Einstein condensate onto a planar surface. Our analysis uses a Gaussian variational method that includes the effects of two-body atom-atom interactions and three-body recombination losses. The essential factors such as the width, peak density, and atom loss rate of the focused BEC profile on the surface are investigated and compared to Gross-Pitaevskii numerical simulations. We find a reasonable agreement in the results between our analytical approach and the numerical simulations. Our analysis predicts that condensates of 105 atoms could be focused down to ∼10 nm widths, potentially allowing nanometer-scale atomic deposition with peak densities greater than 105 atoms/μm2.

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JO - Physical Review A

JF - Physical Review A

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Optical focusing of Bose-Einstein condensates

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