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
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 2010年 / 22卷 / 30期
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.
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页数：11
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