In view of the recent observations by plasma science-spacecraft-voyager and Cassini plasma spectrometer of Saturn's magnetosphere, the interaction between two counter-propagating ion-acoustic (IA) solitons is studied in an unmagnetized plasma consisting of warm adiabatic ions in addition to hot and cold electrons following kappa distribution. The head-on collision of the IA solitons is investigated using the extended Poincare–Lighthill–Kuo technique. Since this model supports both compressive and rarefactive solitons, therefore, the soliton collisions for both Korteweg–de Vries (KdV) and the modified KdV (mKdV) equations are investigated. The corresponding phase shifts after the collision for both these equations are also derived and examined. Furthermore, the effects of different plasma parameters (corresponding to Saturn's magnetosphere), including superthermality, density, and temperature on the colliding soliton profiles and their phase shifts, are examined. It is concluded that the phase shift is smaller when both hot and cold electrons are Maxwellian by comparison with the superthermal case.
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October 2023
Research Article|
October 05 2023
Head-on collision of ion-acoustic (modified) Korteweg–de Vries solitons in Saturn's magnetosphere plasmas with two temperature superthermal electrons
Special Collection:
Turbulence in Plasmas and Fluids
T. Hashmi;
T. Hashmi
a)
(Conceptualization, Data curation, Formal analysis, Investigation, Writing – original draft)
1
Department of Physics, COMSATS University Islamabad
, Islamabad Campus, Park Road, Chak Shahzad, Islamabad 44000, Pakistan
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R. Jahangir;
R. Jahangir
b)
(Formal analysis, Investigation, Methodology, Resources, Software, Writing – original draft)
2
National Centre for Physics, Quaid-i-Azam University Campus
, CoE Physics, Shahdra Valley Road, Islamabad 44000 Pakistan
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W. Masood
;
W. Masood
c)
(Conceptualization, Investigation, Validation, Visualization, Writing – review & editing)
1
Department of Physics, COMSATS University Islamabad
, Islamabad Campus, Park Road, Chak Shahzad, Islamabad 44000, Pakistan
2
National Centre for Physics, Quaid-i-Azam University Campus
, CoE Physics, Shahdra Valley Road, Islamabad 44000 Pakistan
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B. M. Alotaibi;
B. M. Alotaibi
(Conceptualization, Data curation, Formal analysis, Writing – review & editing)
3
Department of Physics, College of Science, Princess Nourah bint Abdulrahman University
, P.O. Box 84428, Riyadh 11671, Saudi Arabia
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Sherif M. E. Ismaeel
;
Sherif M. E. Ismaeel
(Validation, Visualization, Writing – review & editing)
4
Department of Physics, College of Science and Humanities in Al-Kharj, Prince Sattam bin Abdulaziz University
, Al-Kharj 11942, Saudi Arabia
5
Department of Physics, Faculty of Science, Ain Shams University
, Cairo, Egypt
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S. A. El-Tantawy
S. A. El-Tantawy
d)
(Formal analysis, Investigation, Methodology, Resources, Software, Supervision, Validation, Visualization, Writing – review & editing)
6
Department of Physics, Faculty of Science, Port Said University
, Port Said 42521, Egypt
7
Research Center for Physics (RCP), Department of Physics, Faculty of Science and Arts, Al-Mikhwah, Al-Baha University
, Al-Baha 1988, Saudi Arabia
d)Author to whom correspondence should be addressed: samireltantawy@yahoo.com and tantawy@sci.psu.edu.eg
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d)Author to whom correspondence should be addressed: samireltantawy@yahoo.com and tantawy@sci.psu.edu.eg
a)
Electronic address: tanzeelhashmi14@gmail.com
b)
Electronic address: rabiaj@ncp.edu.pk
c)
Electronic address: waqasmas@gmail.com
Physics of Fluids 35, 103104 (2023)
Article history
Received:
August 07 2023
Accepted:
September 11 2023
Citation
T. Hashmi, R. Jahangir, W. Masood, B. M. Alotaibi, Sherif M. E. Ismaeel, S. A. El-Tantawy; Head-on collision of ion-acoustic (modified) Korteweg–de Vries solitons in Saturn's magnetosphere plasmas with two temperature superthermal electrons. Physics of Fluids 1 October 2023; 35 (10): 103104. https://doi.org/10.1063/5.0171220
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