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Tunneling with a hydrodynamic pilot-wave model

Author(s)
Nachbin, André; Milewski, Paul A.; Bush, John W. M.
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Abstract
Eddi et al. [Phys. Rev Lett. 102, 240401 2009)PRLTAO0031-900710.1103/PhysRevLett.102.240401] presented experimental results demonstrating the unpredictable tunneling of a classical wave-particle association as may arise when a droplet walking across the surface of a vibrating fluid bath approaches a submerged barrier. We here present a theoretical model that captures the influence of bottom topography on this wave-particle association and so enables us to investigate its interaction with barriers. The coupled wave-droplet dynamics results in unpredictable tunneling events. As reported in the experiments by Eddi et al. and as is the case in quantum tunneling [Gamow, Nature (London) 122, 805 (1928)NATUAS0028-083610.1038/122805b0] , the predicted tunneling probability decreases exponentially with increasing barrier width. In the parameter regimes examined, tunneling between two cavities suggests an underlying stationary ergodic process for the droplet's position.
Date issued
2017-03
URI
http://hdl.handle.net/1721.1/115936
Department
Massachusetts Institute of Technology. Department of Mathematics
Journal
Physical Review Fluids
Publisher
American Physical Society (APS)
Citation
Nachbin, André et al. “Tunneling with a Hydrodynamic Pilot-Wave Model.” Physical Review Fluids 2, 3 (March 2017): 034801 © 2017 American Physical Society
Version: Final published version
ISSN
2469-990X
2469-9918

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