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Libration induced stretching mode excitation for pump-probe spectroscopy in pure liquid water
Abstract : We developed an experimental approach to study pure liquid water in the infrared and avoid thermal effects. This technique is based on libration induced stretching excitation of water molecules. A direct correspondence between frequencies within the libration and OH stretching bands is demonstrated. Energy diffusion is studied in pure liquid water by measuring wave packet dynamics of OH stretching vibrator with infrared femtosecond spectroscopy. Wave packet dynamics reveals ultrafast energy dynamics and reflects 130 fs intermolecular energy transfer between water vibrators. Energy diffusion is almost two orders of magnitude faster than self diffusion in water. Cop. 2004 American Institute of Physics.
Cited literature [1 references]
https://hal-polytechnique.archives-ouvertes.fr/hal-00831849
Contributor : Denis Roura <>
Submitted on : Thursday, May 15, 2014 - 3:22:04 PM
Last modification on : Thursday, March 5, 2020 - 6:23:49 PM
Document(s) archivé(s) le : Tuesday, April 4, 2017 - 6:49:20 PM
Contributor : Denis Roura <>
Submitted on : Thursday, May 15, 2014 - 3:22:04 PM
Last modification on : Thursday, March 5, 2020 - 6:23:49 PM
Document(s) archivé(s) le : Tuesday, April 4, 2017 - 6:49:20 PM
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LIB1800952.pdf
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