Statistical model of the stimulated forward Brillouin scattering driven by a randomized laser beam in plasma
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F10974938%3A_____%2F25%3A25_89_07" target="_blank" >RIV/10974938:_____/25:25_89_07 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1103/PhysRevE.111.025207" target="_blank" >https://doi.org/10.1103/PhysRevE.111.025207</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1103/PhysRevE.111.025207" target="_blank" >10.1103/PhysRevE.111.025207</a>
Alternative languages
Result language
angličtina
Original language name
Statistical model of the stimulated forward Brillouin scattering driven by a randomized laser beam in plasma
Original language description
The modeling of a spatially incoherent laser beam remains a central problem of the parametric instabilities in the context of inertial confinement fusion. This paper gives a simplified and comprehensive overview of the recent analytical developments regarding the modeling of these laser beams and a comparison with a dedicated experiment. Our model accounts for the statistical standard deviation of the gain and accurately captures the entanglement between wave mixing processes and the speckle correlations thus resolving the longstanding contradictions between the random phase approximation and the model of independent speckles. It is successfully compared to a recent laser beam spray experiment and the associated paraxial simulations, demonstrating that backscattering predictions require accounting for the beam spray. Our framework thus provides a way to evaluate and guide the analysis of parametric instabilities in high laser energy experiments.
Czech name
—
Czech description
—
Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10305 - Fluids and plasma physics (including surface physics)
Result continuities
Project
—
Continuities
R - Projekt Ramcoveho programu EK
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Physical Review E
ISSN
2470-0045
e-ISSN
2470-0053
Volume of the periodical
111
Issue of the periodical within the volume
2
Country of publishing house
US - UNITED STATES
Number of pages
6
Pages from-to
025207 (1-6)
UT code for WoS article
001451485000006
EID of the result in the Scopus database
2-s2.0-85218447100