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Updated: Jun 3, 2026

Magnetically Induced Rotating Rayleigh-Taylor Instability
06:42

Magnetically Induced Rotating Rayleigh-Taylor Instability

Published on: March 3, 2017

Atoms riding Rayleigh waves.

G Benedek1, P M Echenique, J P Toennies

  • 1Donostia International Physics Center (DIPC), Paseo Manuel de Lardizábal 4, 20018 Donostia—San Sebastián, Spain.

Journal of Physics. Condensed Matter : an Institute of Physics Journal
|March 15, 2011
PubMed
Summary
This summary is machine-generated.

Helium atoms can become trapped on crystal surfaces by riding Rayleigh waves, forming an atomic polaron. This phonon-assisted adsorption explains previously unassigned resonant features in atom scattering experiments.

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Area of Science:

  • Surface science
  • Atomic physics
  • Condensed matter physics

Background:

  • Helium atom scattering is a key technique for probing crystal surface dynamics.
  • Unexplained resonant features have been observed in helium atom scattering distributions.
  • Understanding atom-surface interactions is crucial for materials science.

Purpose of the Study:

  • To explain previously unassigned resonant features in helium atom scattering data.
  • To investigate the phenomenon of inelastic trapping of helium atoms on crystal surfaces.
  • To elucidate the formation of atom-phonon bound states.

Main Methods:

  • Theoretical modeling of helium atom-crystal surface interactions.
  • Analysis of special kinematic conditions for inelastic scattering.
  • Investigating phonon-assisted selective adsorption mechanisms.

Main Results:

  • Demonstrated inelastic trapping of helium atoms into surface bound states.
  • Identified the role of Rayleigh waves in atom adsorption.
  • Proposed the formation of an atomic polaron (atom-phonon bound state).

Conclusions:

  • The atomic polaron model successfully explains previously unassigned resonant features.
  • Phonon-assisted selective adsorption provides a mechanism for inelastic trapping.
  • This finding advances the understanding of atom-surface interactions and energy transfer.