Capillary waves in slow motion -: art. no. 073409

被引：59
作者：
Seydel, T
Madsen, A
Tolan, M
Grübel, G
Press, W
机构：
[1] Univ Kiel, Inst Expt & Angew Phys, D-24098 Kiel, Germany
[2] European Synchrotron Radiat Facil, F-38043 Grenoble, France
来源：
PHYSICAL REVIEW B | 2001年 / 63卷 / 07期
关键词：
D O I：
10.1103/PhysRevB.63.073409
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Capillary wave dynamics on glycerol surfaces has been investigated by means of x-ray photon correlation spectroscopy performed at grazing angles. The measurements show that thermally activated capillary wave motion is slowed down exponentially when the sample is cooled below 273 K. This finding directly reflects the freezing of the surface waves. The wave-number dependence of the measured time constants is in quantitative agreement with theoretical predictions for overdamped capillary waves.
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页数：4
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