Atoms riding Rayleigh waves

被引:5
|
作者
Benedek, G. [1 ]
Echenique, P. M. [1 ]
Toennies, J. P. [2 ]
Traeger, F. [3 ]
机构
[1] Univ Milano Bicocca, Dipartimento Sci Mat, I-20125 Milan, Italy
[2] Max Planck Inst Dynam & Selbstorg, D-37073 Gottingen, Germany
[3] Ruhr Univ Bochum, Fak Chem & Biochem, D-44801 Bochum, Germany
关键词
FOCUSED INELASTIC RESONANCES; TIME-OF-FLIGHT; SURFACE OPTICAL PHONONS; BOUND-STATE LEVEL; HE ATOMS; ELECTRON-TRANSPORT; ELASTIC-SCATTERING; LIF(001); SPECTROSCOPY; HELIUM;
D O I
10.1088/0953-8984/22/30/304016
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Under special kinematic conditions helium atoms impinging upon a crystal surface can be inelastically trapped into a surface bound state and ride the created Rayleigh wave. This special case of phonon-assisted selective adsorption, leading to an atom-phonon bound state (atomic polaron), can explain previously unassigned resonant features observed in published helium atom scattering distributions.
引用
收藏
页数:11
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