{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,17]],"date-time":"2026-04-17T16:20:44Z","timestamp":1776442844869,"version":"3.51.2"},"reference-count":35,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2023,2,6]],"date-time":"2023-02-06T00:00:00Z","timestamp":1675641600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Basque Government","award":["IT1555-22"],"award-info":[{"award-number":["IT1555-22"]}]},{"name":"Basque Government","award":["KK-2022\/00090"],"award-info":[{"award-number":["KK-2022\/00090"]}]},{"name":"Basque Government","award":["PID2021-1235430B-C21\/C22"],"award-info":[{"award-number":["PID2021-1235430B-C21\/C22"]}]},{"name":"Basque Government","award":["IT1555-22"],"award-info":[{"award-number":["IT1555-22"]}]},{"name":"Basque Government","award":["KK-2022\/00090"],"award-info":[{"award-number":["KK-2022\/00090"]}]},{"name":"Basque Government","award":["PID2021-1235430B-C21\/C22"],"award-info":[{"award-number":["PID2021-1235430B-C21\/C22"]}]},{"name":"MCIN\/ AEI","award":["IT1555-22"],"award-info":[{"award-number":["IT1555-22"]}]},{"name":"MCIN\/ AEI","award":["KK-2022\/00090"],"award-info":[{"award-number":["KK-2022\/00090"]}]},{"name":"MCIN\/ AEI","award":["PID2021-1235430B-C21\/C22"],"award-info":[{"award-number":["PID2021-1235430B-C21\/C22"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Symmetry"],"abstract":"<jats:p>We investigate cylindrical and spherical solitons in electron-ion (EI) plasma that contains hot (cold) electrons with stationary ions. The magneto-hydrodynamic equations are solved with the aid of the reductive perturbation (RP) technique, leading to the modified Korteweg\u2013De Vries (mKdV) equation for the non-linear behaviour of the solitary waves in EI plasma. By employing the reduced differential transform method (RDTM), an approximate solution of the mKdV is obtained for solitary waves. Phase plane analysis reveals that these excitations exhibit periodic oscillations. The phase plane and periodic behaviour of the obtained model are studied. It is observed that the amplitude and width of the electron acoustic waves (EAWs) are affected by a slight change in the cold to hot electron temperature ratio (\u03c3c) and the number density of the cold to hot electron ratio (\u03b1). The effect of the streaming speed u(0) and superthermality index \u03bae are investigated. This study is important for understanding the symmetric properties of cylindrical and spherical plasma, relying on the bifurcation analysis, impacted by the streaming effect in the EI plasma.<\/jats:p>","DOI":"10.3390\/sym15020436","type":"journal-article","created":{"date-parts":[[2023,2,7]],"date-time":"2023-02-07T02:28:17Z","timestamp":1675736897000},"page":"436","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Higher Order Non-Planar Electrostatic Solitary Potential in a Streaming Electron-Ion Magnetoplasma: Phase Plane Analysis"],"prefix":"10.3390","volume":"15","author":[{"given":"Khalid","family":"Khan","sequence":"first","affiliation":[{"name":"Department of Mathematics, University of Malakand, Chakdara 18000, Khyber Pakhtunkhwa, Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9320-9433","authenticated-orcid":false,"given":"Manuel","family":"De la Sen","sequence":"additional","affiliation":[{"name":"Department of Electricity and Electronics, Institute of Research and Development of Processes, Faculty of Science and Technology, University of the Basque Country Campus of Leioa, 48940 Leioa, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Muhammad","family":"Irfan","sequence":"additional","affiliation":[{"name":"Department of Physics, University of Malakand, Chakdara 18000, Khyber Pakhtunkhwa, Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2403-1296","authenticated-orcid":false,"given":"Amir","family":"Ali","sequence":"additional","affiliation":[{"name":"Department of Mathematics, University of Malakand, Chakdara 18000, Khyber Pakhtunkhwa, Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,2,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"105625","DOI":"10.1016\/j.rinp.2022.105625","article-title":"Electron-acoustic solitons in dense electron\u2013positron\u2013ion plasma: Degenerate relativistic enthalpy function","volume":"38","author":"Irfan","year":"2022","journal-title":"Results Phys."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"61","DOI":"10.1515\/ijnsns-2014-0017","article-title":"Modulation of Electron-Acoustic Waves in a Plasma with Vortex Electron Distribution","volume":"16","author":"Demiray","year":"2015","journal-title":"Int. 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