Using a new method, physicists have investigated the ultrafast fragmentation of hydrogen molecules in intense laser fields in detail. They used the rotation of the molecule triggered by a laser pulse as an "internal clock" to measure the timing of the reaction that takes place in a second laser pulse in two steps. Such a "rotational clock" is a general concept applicable to sequential fragmentation processes in other molecules.
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Monday, November 2, 2020
Rotation of a molecule as an 'internal clock'
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