Wave–particle interactions in a resonant system of photons and ion-solvated water

•We consider a QED model of rotating water molecules with ion solvation effects.•The equations of motion are cast in terms of a conventional free electron laser.•We offer a new quantum coherence mechanism induced by collective instability. We investigate a laser model for a resonant system of photon...

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Bibliographic Details
Published in:Physics letters. A 2017-02, Vol.381 (8), p.762-766
Main Author: Konishi, Eiji
Format: Article
Language:English
Subjects:
Dicke superradiation
Free electron laser
Wave–particle interaction
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Summary:•We consider a QED model of rotating water molecules with ion solvation effects.•The equations of motion are cast in terms of a conventional free electron laser.•We offer a new quantum coherence mechanism induced by collective instability. We investigate a laser model for a resonant system of photons and ion cluster-solvated rotating water molecules in which ions in the cluster are identical and have very low, non-relativistic velocities and direction of motion parallel to a static electric field induced in a single direction. This model combines Dicke superradiation with wave–particle interaction. As the result, we find that the equations of motion of the system are expressed in terms of a conventional free electron laser system. This result leads to a mechanism for dynamical coherence, induced by collective instability in the wave–particle interaction.
ISSN:0375-9601
1873-2429
DOI:10.1016/j.physleta.2016.12.041