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Ultrafast Energy Transfer to Liquid Water by Sub‐Picosecond High‐Intensity Terahertz Pulses: An Ab Initio Molecular Dynamics Study
Author(s) -
Mishra Pankaj Kr.,
Vendrell Oriol,
Santra Robin
Publication year - 2013
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201305991
Subject(s) - picosecond , ultrashort pulse , terahertz radiation , liquid water , materials science , femtosecond , energy transfer , atomic physics , ab initio , molecular physics , optics , chemistry , optoelectronics , physics , thermodynamics , laser , organic chemistry
Sub‐picosecond heating of bulk water is accomplished by ultrashort and intense THz pulses which are able to transfer a large amount of energy to the liquid. The energy transferred corresponds to a temperature jump of about 600 K. Liquid water becomes a structureless and hot gas‐like system (see picture) still at the density of the liquid, in which the hydrogen‐bonding structure has been washed out.

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