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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.
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页数:11
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