| Issue |
EPL
Volume 153, Number 3, February 2026
|
|
|---|---|---|
| Article Number | 34002 | |
| Number of page(s) | 5 | |
| Section | Nuclear and plasma physics, particles and fields | |
| DOI | https://doi.org/10.1209/0295-5075/ae3ee1 | |
| Published online | 09 February 2026 | |
On modeling nonlinear phenomena under the influence of an electromagnetic field in a dense plasma
The Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry of the Russian Academy of Sciences - 142432 Chernogolovka, Moscow Region, Russia
Received: 29 October 2025
Accepted: 28 January 2026
Abstract
The quadratic response function (QRF) of a dense plasma in a constant magnetic field to an electromagnetic field is considered. To determine this function, a self-consistent model approach was applied based on the use of the quadratic fluctuation-dissipative theorem (FDT), frequency moments for the quadratic dense plasma reaction function, and explicit approximation for QRF with a fitting parameter. The conditions of using QRF for the interpretation of laboratory experiments on the study of nonlinear phenomena caused by the quadratic interaction of electromagnetic waves in a dense charged medium (Coulomb systems, plasma) in a constant magnetic field are discussed.
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