Ultrafast vibrational dephasing of liquid water

被引：203

作者：

Stenger, J ^{[1
]}

Madsen, D ^{[1
]}

Hamm, P ^{[1
]}

Nibbering, ETJ ^{[1
]}

Elsaesser, T ^{[1
]}

机构：

[1] Max Born Inst Nichtlineare Opt & Kurzzeitspektros, D-12489 Berlin, Germany

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 87卷 / 02期

关键词：

D O I：

10.1103/PhysRevLett.87.027401

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present the first infrared photon echo study of liquid water. For the O-H stretch vibration of HDO in D2O, femtosecond four-wave mixing experiments reveal an extraordinary short pure dephasing time T-2* on the order of 90 fs. This unusually fast time scale of dephasing is rationalized by taking into account the large anharmonicity of the hydrogen bonded O-H stretching mode.

引用

页数：4

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