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- Title
Overtaking Collisions of Electrostatic N-Soliton in Electron–Hole Quantum Plasmas.
- Authors
El-Shamy, E. F.; Mahmoud, M.
- Abstract
The effects of overtaking collisions of electrostatic multisolitons (i.e., N-soliton) in an electron–hole dense semiconductor plasma are examined employing the reductive perturbation theory (RPT) and Hirota's bilinear method (HBM). A Korteweg-de Vries equation (KdVE), which admits N-soliton, is derived using the RPT. In addition, HBM is applied that resulted in two-soliton and three-soliton solutions. The exchange of energies due to the overtaking collisions between the electrostatic N-soliton are analyzed by varying physical parameters, such as the quantum semiconductor plasma number density and the exchange-correlation terms for electrons and holes, which causes alternation in the behavior of solitons. It is found that the existence of exchange-correlation potentials leads to a diminishing in a phase shift of N-soliton.The current study is an attempt to further exemplify the essential properties of N-soliton in electron–hole plasmas and their applications in the modern semiconductor electronic devices of nanoscale size.
- Subjects
SOLID-state plasmas; KORTEWEG-de Vries equation; NANOELECTROMECHANICAL systems; PERTURBATION theory; SEMICONDUCTOR devices; ION acoustic waves; QUANTUM plasmas
- Publication
Plasma Physics Reports, 2020, Vol 46, Issue 1, p41
- ISSN
1063-780X
- Publication type
Article
- DOI
10.1134/S1063780X20010055