Vibrational energy relaxation in H2O

被引：0
|
作者：
Lock, AJ [1 ]
Bakker, HJ [1 ]
机构：
[1] FOM, Inst Atom & Mol Phys, NL-1098 SJ Amsterdam, Netherlands
来源：
ULTRAFAST PHENOMENA XIII | 2003年 / 71卷
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中图分类号：
O59 [应用物理学];
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摘要：
We have determined the lifetime of the OH-stretch vibration in pure liquid water as a function of temperature using femtosecond mid-infrared pump-probe spectroscopy. The lifetime T-1 increases from 260 +/- 18 fs at T = 298 K to 320 +/- 18 A at T = 358 K. The increase in lifetime with temperature can quantitatively be explained from the decrease in spectral overlap of the OH-stretch vibration and the overtone of the H-O-H bending mode.
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页码：529 / 531
页数：3
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