Ion-acoustic cnoidal waves in a non-Maxwellian plasma with regularized κ-distributed electrons
Source abstract
Abstract
This study examines how regularized kappa distributed (RKD) electrons affect the characteristics of the ion-acoustic cnoidal waves (IACWs) in normal plasma. The RKD is a generalized form of the standard kappa distribution that accounts for the impacts of thermal broadening and finite size effects on the plasma particles. By employing the reductive perturbation technique, the Korteweg–de Vries equation is derived, and its nonlinear cnoidal wave (CW) solution is obtained and analyzed both analytically and numerically. It is found that the amplitude of compressive IACWs increases with an enhanced cutoff parameter α and decreases with increasing superthermality κ. Rarefactive IACWs yield opposing results as compared to compressive IACWs under the impact of κ and α. The results provide insight into the behavior of CWs in normal plasmas with non-Maxwellian distributions and contribute to the understanding of wave-particle interactions in laboratory and space plasmas.
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Research context
OpenAlex topics: Dust and Plasma Wave Phenomena · Ionosphere and magnetosphere dynamics · Solar and Space Plasma Dynamics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Mathematics, Al-Zaytoonah University of Jordan 1 , Amman 11733, Jordan
Department of Physics, Government Post Graduate College Swabi 2 , Swabi 23431, Khyber Pakhtunkhwa, Pakistan
Department of Physics, College of Science, Princess Nourah bint Abdulrahman University 3 , P.O. Box 84428, Riyadh 11671, Saudi Arabia
Faculty of Sciences, University of Maroua 4 , P.O. Box 814, Maroua, Cameroon
Department of Physics, Faculty of Science, Port Said University 5 , Port Said 42521, Egypt
Research Center for Physics (RCP), Department of Physics, Faculty of Science and Arts, Al-Mikhwah, Al-Baha University 6 , Al-Baha 1988, Saudi Arabia
Funding
Princess Nourah Bint Abdulrahman University · Al-Zaytoonah University of Jordan
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