Strong geometry dependence of the Casimir force between interpenetrated rectangular gratings

Mingkang Wang; L. Tang; C. Y. Ng; Riccardo Messina; Brahim Guizal; J. A. Crosse; Mauro Antezza; C. T. Chan; H. B. Chan

doi:10.1038/s41467-021-20891-4

Nature Communications (Jan 2021)

Strong geometry dependence of the Casimir force between interpenetrated rectangular gratings

Mingkang Wang,
L. Tang,
C. Y. Ng,
Riccardo Messina,
Brahim Guizal,
J. A. Crosse,
Mauro Antezza,
C. T. Chan,
H. B. Chan

Affiliations

Mingkang Wang: Department of Physics, The Hong Kong University of Science and Technology
L. Tang: Department of Physics, The Hong Kong University of Science and Technology
C. Y. Ng: Department of Physics, The Hong Kong University of Science and Technology
Riccardo Messina: Laboratoire Charles Fabry, UMR 8501, Institut d’Optique, CNRS, Université Paris-Saclay
Brahim Guizal: Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Université de Montpellier
J. A. Crosse: New York University Shanghai
Mauro Antezza: Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Université de Montpellier
C. T. Chan: Department of Physics, The Hong Kong University of Science and Technology
H. B. Chan: Department of Physics, The Hong Kong University of Science and Technology

DOI: https://doi.org/10.1038/s41467-021-20891-4
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 9

Abstract

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The geometry dependence of the Casimir force could enable applications in nanomechanical systems if the effects can be enhanced. Here, the authors demonstrate that the Casimir force between two interpenetrating nanoscale gratings can exceed the proximity force approximation by a factor of 500.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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