Breaking of a nonlinear wake wave excited by a laser pulse during its interaction with a semi-infinite plasma

Analytical methods are used to study the properties of a wake wave excited by a relativistic laser pulse passing through a blurred boundary of a homogeneous plasma. It is found that on the plasma density plateau near its boundary, the wake wave is not regular and its phase velocity depends on the sp...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2021-09, Vol.51 (9), p.819-825
Main Author: Kuznetsov, S.V.
Format: Article
Language:English
Subjects:
Electron oscillations
inhomogeneous plasma
laser pulse
Mathematical analysis
Phase velocity
Plasma density
Process parameters
Transition layers
wake wave
Wave breaking
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Summary:Analytical methods are used to study the properties of a wake wave excited by a relativistic laser pulse passing through a blurred boundary of a homogeneous plasma. It is found that on the plasma density plateau near its boundary, the wake wave is not regular and its phase velocity depends on the spatial coordinate. It is shown that the breaking of a wake wave is a threshold process in terms of the electron oscillation energy; the influence of the transition layer parameters on the process of wake wave breaking is determined.
ISSN:1063-7818
1468-4799
DOI:10.1070/QEL17617