{"id":190760,"date":"2025-06-17T04:33:22","date_gmt":"2025-06-17T04:33:22","guid":{"rendered":"https:\/\/www.europesays.com\/uk\/190760\/"},"modified":"2025-06-17T04:33:22","modified_gmt":"2025-06-17T04:33:22","slug":"optical-solitons-bifurcation-and-chaos-in-the-nonlinear-conformable-schrodinger-equation-with-group-velocity-dispersion-coefficients-and-second-order-spatiotemporal-terms","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/uk\/190760\/","title":{"rendered":"Optical solitons, bifurcation, and chaos in the nonlinear conformable Schr\u00f6dinger equation with group velocity dispersion coefficients and second-order spatiotemporal terms"},"content":{"rendered":"<p>Here, we utilize the new direct mapping method to generate several accurate answers in closed-form for the current time-fractional nonlinear Schr\u00f6dinger problem. The inquiry begins by employing the following wave transformations:<\/p>\n<p>$$\\begin{aligned} \\begin{aligned}&amp;\\rho (x,t)=W(\\sigma ){{e}^{i\\varphi (x,t)}}, \\\\&amp;\\sigma =x-s\\frac{{{t}^{\\alpha }}}{\\alpha }, \\quad \\varphi (x,t)=-\\kappa x+w\\frac{{{t}^{\\alpha }}}{\\alpha }. \\end{aligned} \\end{aligned}$$<\/p>\n<p>\n                    (9)\n                <\/p>\n<p>The symbol \\(W(\\sigma )\\) represents the phase component, w represents the wave number, \\(\\kappa\\) represents the frequency of solitons, and s represents the speed of the moving wave. By substituting the above transformations into the nonlinear Schr\u00f6dinger equation (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ1\" target=\"_blank\" rel=\"noopener\">1<\/a>), resulting in the following real part and imaginary part, respectively:<\/p>\n<p>$$\\begin{aligned} ({{\\eta }_{2}}{{s}^{2}}+{{\\eta }_{3}}){W}&#8221;(\\sigma )+(\\kappa -{{\\eta }_{1}}w-{{\\eta }_{2}}{{w}^{2}}-{{\\eta }_{3}}{{\\kappa }^{2}})W(\\sigma )+{{W}^{3}}(\\sigma )=0, \\end{aligned}$$<\/p>\n<p>\n                    (10)\n                <\/p>\n<p>and<\/p>\n<p>$$\\begin{aligned} (1-s{{\\eta }_{1}}-2(sw{{\\eta }_{2}}+{{\\eta }_{3}}\\kappa )){W}'(\\sigma )=0. \\end{aligned}$$<\/p>\n<p>\n                    (11)\n                <\/p>\n<p>From the above equation, we obtain the following condition:<\/p>\n<p>$$\\begin{aligned} s=\\frac{1-2{{\\eta }_{3}}\\kappa }{{{\\eta }_{1}}+2w{{\\eta }_{2}}}. \\end{aligned}$$<\/p>\n<p>\n                    (12)\n                <\/p>\n<p>By substituting the value of s into (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ10\" target=\"_blank\" rel=\"noopener\">10<\/a>), we obtain the following equation:<\/p>\n<p>$$\\begin{aligned} ({{\\eta }_{2}}{{A}_{2}}+{{\\eta }_{3}}{{A}_{1}}){W}&#8221;(\\sigma )+{{A}_{1}}{{A}_{3}}W(\\sigma )+{{A}_{1}}{{W}^{3}}(\\sigma )=0, \\end{aligned}$$<\/p>\n<p>\n                    (13)\n                <\/p>\n<p>where \\({{A}_{1}}={{({{\\eta }_{1}}+2\\kappa {{\\eta }_{2}})}^{2}}\\), \\({{A}_{2}}={{(1-2{{\\eta }_{3}}\\kappa )}^{2}}\\) , and \\({{A}_{3}}=(\\kappa -{{\\eta }_{1}}w-{{\\eta }_{2}}{{w}^{2}}-{{\\eta }_{3}}{{\\kappa }^{2}})\\).<\/p>\n<p>In order to calculate the homogeneous balancing constant in (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ13\" target=\"_blank\" rel=\"noopener\">13<\/a>), we focused on the term with the highest order \\(W&#8221;(\\sigma )\\), as well as the highest nonlinear term \\(W^{3}(\\sigma )\\). Thus, we establish the equation \\(N + 2 = 3N\\). Therefore, applying the balance principle, the solution for N is determined to be 1. Therefore, the series in (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ3\" target=\"_blank\" rel=\"noopener\">3<\/a>) is reduced to the following form:<\/p>\n<p>$$\\begin{aligned} W(\\sigma )={{d}_{0}}+{{d}_{1}}\\Lambda (\\sigma ). \\end{aligned}$$<\/p>\n<p>\n                    (14)\n                <\/p>\n<p>Substituting (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ4\" target=\"_blank\" rel=\"noopener\">4<\/a>) and (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ14\" target=\"_blank\" rel=\"noopener\">14<\/a>) into (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ13\" target=\"_blank\" rel=\"noopener\">13<\/a>) and then organizing the coefficients of \\({{W}^{i}}(\\sigma )\\), where \\(i=0,1,2,&#8230;\\), we obtain the following set of non-linear equations:<\/p>\n<p>$$\\begin{aligned}&amp;(\\Lambda (\\sigma ))^{0}= \\left( 2\\,\\eta _{2}\\,w+\\eta _{1} \\right) ^{2} \\left( {{ d_{0}}}^{3}+ \\left( -\\eta _{2}\\,{w}^{2}-\\eta _{3}\\,{\\kappa }^{2}-\\eta _{1}\\,w+\\kappa \\right) { d_{0}}\\right) =0\\\\&amp;(\\Lambda (\\sigma ))^{1}= { d_{1}} \\left( 2\\,\\eta _{2}\\,w+\\eta _{1} \\right) ^{2}\\left( -\\eta _{2}\\,{w}^{2}-\\eta _{3}\\,{\\kappa }^{2}+3\\,{{ d_{0}}}^{2}-\\eta _{1}\\,w+\\kappa \\right) +{ d_{1}}\\,{ r_{1}}\\,{u}^{2} ( 4\\,{\\eta _{2}}^{2}\\eta _{3}\\, {w}^{2}+4\\,\\eta _{2}\\,{\\eta _{3}}^{2}{\\kappa }^{2}+4\\,\\eta _{1}\\,\\eta _{2}\\,\\eta _{3}\\,w\\\\&amp;+{\\eta _{1}}^{2}\\eta _{3}-4\\,\\eta _{2}\\,\\eta _{3}\\,\\kappa +\\eta _{2} ) =0,\\\\&amp;(\\Lambda (\\sigma ))^{2}=3{ d0}\\,{{ d1}}^{2}\\, \\left( 2\\,\\eta 2\\,w+\\eta 1 \\right) ^{2}=0,\\\\&amp;{{( \\Lambda (\\sigma ) )}^{3}}={{ d_{1}}}^{3} \\left( 2\\,\\eta _{2}\\,w+\\eta _{1} \\right) ^{2}+{\\frac{2\\,{ d_{1}}\\,{u}^{2} { r_{2}}\\,}{{p}^{2}}} \\left( 4\\,{\\eta _{2}}^{2}\\eta _{3}\\,{w}^{2}+4\\,\\eta _{2}\\,{\\eta _{3}}^{2}{\\kappa }^{2}+4\\,\\eta _{1}\\,\\eta _{2}\\,\\eta _{3}\\,w+{\\eta _{1}}^{2}\\eta _{3}-4\\,\\eta _{2}\\,\\eta _{3}\\,\\kappa +\\eta _{2} \\right) =0. \\end{aligned}$$<\/p>\n<p>The subsequent outcomes are derived from solving this system:<\/p>\n<p><b id=\"Fig1\" class=\"c-article-section__figure-caption\" data-test=\"figure-caption-text\">Fig. 1<\/b><a class=\"c-article-section__figure-link\" data-test=\"img-link\" data-track=\"click\" data-track-label=\"image\" data-track-action=\"view figure\" href=\"https:\/\/www.nature.com\/articles\/s41598-025-04387-5\/figures\/1\" rel=\"nofollow noopener\" target=\"_blank\"><img decoding=\"async\" aria-describedby=\"Fig1\" src=\"https:\/\/www.europesays.com\/uk\/wp-content\/uploads\/2025\/06\/41598_2025_4387_Fig1_HTML.png\" alt=\"figure 1\" loading=\"lazy\" width=\"685\" height=\"282\"\/><\/a><\/p>\n<p>The bell-shape plots of \\({{\\left| {{\\rho }_{1}}(x,t) \\right| }^{2}}\\), where \\(\\alpha = 1,w= -1,\\eta _{2}=1,{\\eta }_{1}=0.5,\\kappa = 0.3,\\) and \\(u= -0.36\\).<\/p>\n<p><b id=\"Fig2\" class=\"c-article-section__figure-caption\" data-test=\"figure-caption-text\">Fig. 2<\/b><a class=\"c-article-section__figure-link\" data-test=\"img-link\" data-track=\"click\" data-track-label=\"image\" data-track-action=\"view figure\" href=\"https:\/\/www.nature.com\/articles\/s41598-025-04387-5\/figures\/2\" rel=\"nofollow noopener\" target=\"_blank\"><img decoding=\"async\" aria-describedby=\"Fig2\" src=\"https:\/\/www.europesays.com\/uk\/wp-content\/uploads\/2025\/06\/41598_2025_4387_Fig2_HTML.png\" alt=\"figure 2\" loading=\"lazy\" width=\"685\" height=\"280\"\/><\/a><\/p>\n<p>The mixed dark-bright plots of \\(\\operatorname {Re}({{\\rho }_{1}}(x,t))\\), where \\(\\alpha = 1,w= -1,\\eta _{2}=1,{\\eta }_{1}=0.5,\\kappa = 0.3,\\) and \\(u= -0.36\\).<\/p>\n<p><b id=\"Fig3\" class=\"c-article-section__figure-caption\" data-test=\"figure-caption-text\">Fig. 3<\/b><a class=\"c-article-section__figure-link\" data-test=\"img-link\" data-track=\"click\" data-track-label=\"image\" data-track-action=\"view figure\" href=\"https:\/\/www.nature.com\/articles\/s41598-025-04387-5\/figures\/3\" rel=\"nofollow noopener\" target=\"_blank\"><img decoding=\"async\" aria-describedby=\"Fig3\" src=\"https:\/\/www.europesays.com\/uk\/wp-content\/uploads\/2025\/06\/41598_2025_4387_Fig3_HTML.png\" alt=\"figure 3\" loading=\"lazy\" width=\"685\" height=\"287\"\/><\/a><\/p>\n<p>The dark-bright plots of \\(\\operatorname {Im}({{\\rho }_{5}}(x,t))\\), where \\(\\alpha = 1,w= 1.1,\\eta _{3}=1,{\\eta }_{1}=0.9,\\kappa =0.1,\\) and \\(u= -0.1\\).<\/p>\n<p><b id=\"Fig4\" class=\"c-article-section__figure-caption\" data-test=\"figure-caption-text\">Fig. 4<\/b><a class=\"c-article-section__figure-link\" data-test=\"img-link\" data-track=\"click\" data-track-label=\"image\" data-track-action=\"view figure\" href=\"https:\/\/www.nature.com\/articles\/s41598-025-04387-5\/figures\/4\" rel=\"nofollow noopener\" target=\"_blank\"><img decoding=\"async\" aria-describedby=\"Fig4\" src=\"https:\/\/www.europesays.com\/uk\/wp-content\/uploads\/2025\/06\/41598_2025_4387_Fig4_HTML.png\" alt=\"figure 4\" loading=\"lazy\" width=\"685\" height=\"258\"\/><\/a><\/p>\n<p>The comparison of bright plots of \\(|{{\\rho }_{9}}(x,t)|^2\\) , where \\(w=2,\\eta _{3}=1,{\\eta }_{2}=1,\\kappa =-0.9,w=2\\) and \\(u= -0.1255\\).<\/p>\n<p>Result 1.<\/p>\n<p>$$\\begin{aligned} \\begin{aligned}&amp;\\eta _{3}=-{\\frac{4\\,{w}^{2} \\left( { r_{1}}\\,{u}^{2}-{\\kappa }^{2} \\right) {\\eta _{2}}^{2}+ \\left( 4\\,\\eta _{1}\\,{ r_{1}}\\,{u}^{2}w-4\\,\\eta _{1}\\,{\\kappa }^{2}w-4\\,\\kappa \\,{ r_{1}}\\,{u}^{2} \\right) \\eta _{2}+ \\left( { r_{1}}\\,{u}^{2}-{\\kappa }^{ 2} \\right) {\\eta _{1}}^{2} +\\sqrt{{ K_{1}}}}{8{u}^{2} { r_{1}}\\,\\eta _{2}\\, {\\kappa }^{2}}},d_{0}=0,\\\\&amp;d_{1}={\\frac{\\sqrt{\\eta _{2}\\,{ r_{2}}\\, \\left( -4\\,{w}^{2} \\left( { r_{1}}\\,{u}^{2}+{\\kappa }^{2} \\right) {\\eta _{2}}^{2}+ \\left( -4\\,\\eta _{1}\\,{ r_{1}}\\,{u}^{2}w-4\\,\\eta _{1}\\,{\\kappa }^{2}w+4\\, \\kappa \\,{ r_{1}}\\,{u}^{2} \\right) \\eta _{2}+ \\left( { r_{1}}\\,{u}^{2}-{ \\kappa }^{2} \\right) {\\eta _{1}}^{2} +\\sqrt{{ K_{1}}} \\right) }}{2\\eta _{2}\\,u{ r_{1}}\\,p}}, \\end{aligned} \\end{aligned}$$<\/p>\n<p>\n                    (15)\n                <\/p>\n<p>where<\/p>\n<p>\\(K_{1}=\\left( 16\\, \\left( { r_{1}}\\,{u}^{2}+{\\kappa }^{2} \\right) ^{2} \\left( {w}^{2}{\\eta _{2}}^{2}+\\frac{{\\eta _{1}}^{2}}{4}\\right) +16\\, \\left( { r_{1}}\\,{u}^{2}+{\\kappa }^{2} \\right) \\left( \\eta _{1}\\,{ r_{1}}\\,{u}^{2}w+ \\eta _{1}\\,{\\kappa }^{2}w-2\\,\\kappa \\,{ r_{1}}\\,{u}^{2} \\right) \\eta _{2} \\right) \\left( \\eta _{2}\\,w+\\frac{\\eta _{1}}{2} \\right) ^{2} .\\)<\/p>\n<p>From (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ5\" target=\"_blank\" rel=\"noopener\">5<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ9\" target=\"_blank\" rel=\"noopener\">9<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ12\" target=\"_blank\" rel=\"noopener\">12<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ14\" target=\"_blank\" rel=\"noopener\">14<\/a>), and <a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ15\" target=\"_blank\" rel=\"noopener\">15<\/a>, we can have the following optical soliton solution:<\/p>\n<p>$$\\begin{aligned} \\begin{aligned}&amp;\\rho _{1}(x,t)=\\frac{\\sqrt{-\\eta _{2}{(-4\\,{w}^{2} \\left( {\\kappa }^{2}+{u}^{2} \\right) {\\eta _{2}}^{2}+ \\left( -4 \\,\\eta _{1}\\,{\\kappa }^{2}w-4\\,\\eta _{1}\\,{u}^{2}w+4\\,\\kappa \\,{u}^{2} \\right) \\eta _{2}+{\\eta _{1}}^{2}{u}^{2}-{\\eta _{1}}^{2}{\\kappa }^{2} )}+\\sqrt{{ K_{2}}}}}{\\eta _{2}u}\\\\&amp;\\,\\operatorname {sech}(({-\\frac{ \\left( {\\kappa }^{2}-{u}^{2} \\right) \\left( 4\\,{w}^{2}{ \\eta _{2}}^{2}+4\\,w\\eta _{1}\\,\\eta _{2}+{\\eta _{1}}^{2} \\right) +8\\,\\eta _{2}\\,\\kappa \\,{u} ^{2}+\\sqrt{{ K_{2}}}}{4\\eta _{2}\\,\\kappa \\,{u} \\left( 2\\,\\eta _{2}\\,w+\\eta _{1} \\right) }})\\frac{t^{\\alpha }}{\\alpha })+x) \\textrm{e}^{i ( -\\kappa \\,x+w\\frac{t^{\\alpha }}{\\alpha } )}. \\end{aligned} \\end{aligned}$$<\/p>\n<p>\n                    (16)\n                <\/p>\n<p>From (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ6\" target=\"_blank\" rel=\"noopener\">6<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ9\" target=\"_blank\" rel=\"noopener\">9<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ12\" target=\"_blank\" rel=\"noopener\">12<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ14\" target=\"_blank\" rel=\"noopener\">14<\/a>), and <a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ15\" target=\"_blank\" rel=\"noopener\">15<\/a>, we can have the following optical soliton solution:<\/p>\n<p>$$\\begin{aligned} \\begin{aligned}&amp;\\rho _{2}(x,t)=\\frac{\\sqrt{\\eta _{2}{(-4\\,{w}^{2} \\left( {\\kappa }^{2}+{u}^{2} \\right) {\\eta _{2}}^{2}+ \\left( -4 \\,\\eta _{1}\\,{\\kappa }^{2}w-4\\,\\eta _{1}\\,{u}^{2}w+4\\,\\kappa \\,{u}^{2} \\right) \\eta _{2}+{\\eta _{1}}^{2}{u}^{2}-{\\eta _{1}}^{2}{\\kappa }^{2} )}+\\sqrt{{ K_{2}}}}}{\\eta _{2}u}\\\\&amp;\\,\\operatorname {csch}(({-\\frac{ \\left( {\\kappa }^{2}-{u}^{2} \\right) \\left( 4\\,{w}^{2}{ \\eta _{2}}^{2}+4\\,w\\eta _{1}\\,\\eta _{2}+{\\eta _{1}}^{2} \\right) +8\\,\\eta _{2}\\,\\kappa \\,{u} ^{2}+\\sqrt{{ K_{2}}}}{4\\eta _{2}\\,\\kappa \\,{u} \\left( 2\\,\\eta _{2}\\,w+\\eta _{1} \\right) }})\\frac{t^{\\alpha }}{\\alpha })+x) \\textrm{e}^{i ( -\\kappa \\,x+w\\frac{t^{\\alpha }}{\\alpha } )}, \\end{aligned} \\end{aligned}$$<\/p>\n<p>\n                    (17)\n                <\/p>\n<p>where<\/p>\n<p>\\(K_{2}=\\left( 16\\,\\eta _{2}\\, \\left( {\\kappa }^{2}+{u}^{2} \\right) \\left( \\left( \\eta _{2}\\,w+\\eta _{1} \\right) \\left( w{\\kappa }^{2}+{u}^{2}w \\right) -2\\,\\kappa \\,{u}^{2} \\right) +4\\,{\\eta _{1}}^{2} \\left( u-\\kappa \\right) ^{ 2} \\left( u+\\kappa \\right) ^{2} \\right) \\left( \\eta _{2}\\,w+\\frac{\\eta _{1}}{2} \\right) ^{2}.\\)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n<p>From (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ7\" target=\"_blank\" rel=\"noopener\">7<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ9\" target=\"_blank\" rel=\"noopener\">9<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ12\" target=\"_blank\" rel=\"noopener\">12<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ14\" target=\"_blank\" rel=\"noopener\">14<\/a>), and (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ15\" target=\"_blank\" rel=\"noopener\">15<\/a>), we can have the following optical soliton solution:<\/p>\n<p>$$\\begin{aligned} \\begin{aligned}&amp;\\rho _{3}(x,t)=-\\frac{\\sqrt{\\eta _{2}{(-4\\,{w}^{2} \\left( {\\kappa }^{2}+{u}^{2} \\right) {\\eta _{2}}^{2}+ \\left( -4 \\,\\eta _{1}\\,{\\kappa }^{2}w-4\\,\\eta _{1}\\,{u}^{2}w+4\\,\\kappa \\,{u}^{2} \\right) \\eta _{2}-{\\eta _{1}}^{2}{u}^{2}-{\\eta _{1}}^{2}{\\kappa }^{2} )}+\\sqrt{{ K_{3}}}}}{\\eta _{2}u}\\\\&amp;\\,\\operatorname {sec}(({\\frac{ \\left( {\\kappa }^{2}+{u}^{2} \\right) \\left( -4\\,{w}^{2} {\\eta _{2}}^{2}-4\\,w\\eta _{1}\\,\\eta _{2}-{\\eta _{1}}^{2} \\right) +4\\,\\eta _{2}\\,\\kappa \\,{u }^{2}+\\sqrt{{ K_{3}}}}{4\\eta _{2}\\,\\kappa \\,{u} \\left( 2\\,\\eta _{2}\\,w+\\eta _{1} \\right) }} )\\frac{t^{\\alpha }}{\\alpha })+x) \\textrm{e}^{i ( -\\kappa \\,x+w\\frac{t^{\\alpha }}{\\alpha } )}. \\end{aligned} \\end{aligned}$$<\/p>\n<p>\n                    (18)\n                <\/p>\n<p>From (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ8\" target=\"_blank\" rel=\"noopener\">8<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ9\" target=\"_blank\" rel=\"noopener\">9<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ12\" target=\"_blank\" rel=\"noopener\">12<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ14\" target=\"_blank\" rel=\"noopener\">14<\/a>), and (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ15\" target=\"_blank\" rel=\"noopener\">15<\/a>), we can have the following optical soliton solution:<\/p>\n<p>$$\\begin{aligned} \\begin{aligned}&amp;\\rho _{4}(x,t)=-\\frac{\\sqrt{\\eta _{2}{(-4\\,{w}^{2} \\left( {\\kappa }^{2}+{u}^{2} \\right) {\\eta _{2}}^{2}+ \\left( -4 \\,\\eta _{1}\\,{\\kappa }^{2}w-4\\,\\eta _{1}\\,{u}^{2}w+4\\,\\kappa \\,{u}^{2} \\right) \\eta _{2}-{\\eta _{1}}^{2}{u}^{2}-{\\eta _{1}}^{2}{\\kappa }^{2} )}+\\sqrt{{ K_{3}}}}}{\\eta _{2}u}\\\\&amp;\\,\\operatorname {csc}(({\\frac{ \\left( {\\kappa }^{2}+{u}^{2} \\right) \\left( -4\\,{w}^{2} {\\eta _{2}}^{2}-4\\,w\\eta _{1}\\,\\eta _{2}-{\\eta _{1}}^{2} \\right) +4\\,\\eta _{2}\\,\\kappa \\,{u }^{2}+\\sqrt{{ K_{3}}}}{4\\eta _{2}\\,\\kappa \\,{u} \\left( 2\\,\\eta _{2}\\,w+\\eta _{1} \\right) }} )\\frac{t^{\\alpha }}{\\alpha })+x) \\textrm{e}^{i ( -\\kappa \\,x+w\\frac{t^{\\alpha }}{\\alpha } )}, \\end{aligned} \\end{aligned}$$<\/p>\n<p>\n                    (19)\n                <\/p>\n<p>where<\/p>\n<p>\\(K_{3}=16\\, \\left( \\eta _{2}\\,w+\\frac{\\eta _{1}}{2} \\right) ^{2} \\left( \\eta _{2}\\, \\left( u- \\kappa \\right) \\left( \\left( {w}^{2}\\eta _{2}+\\eta _{1}\\,w-2\\,\\kappa \\right) {u}^{2}-w \\left( \\eta _{2}\\,w+\\eta _{1} \\right) {\\kappa }^{2} \\right) \\left( u+\\kappa \\right) +\\frac{{\\eta 1}^{2} }{4}\\left( {\\kappa }^{2}+{u}^{2} \\right) ^{2} \\right) .\\)<\/p>\n<p>Result 2.<\/p>\n<p>$$\\begin{aligned} d_{0}=0,\\eta _{2}=0,\\kappa =\\kappa ,w={\\frac{\\eta _{3}\\,{ r_{1}}\\,{u}^{2}-\\eta _{3}\\,{\\kappa }^{2}+\\kappa }{\\eta _{1}}}, d_{1}={\\frac{u\\sqrt{-2\\,\\eta _{3}\\,{ r_{2}}}}{p}}. \\end{aligned}$$<\/p>\n<p>\n                    (20)\n                <\/p>\n<p><b id=\"Fig5\" class=\"c-article-section__figure-caption\" data-test=\"figure-caption-text\">Fig. 5<\/b><a class=\"c-article-section__figure-link\" data-test=\"img-link\" data-track=\"click\" data-track-label=\"image\" data-track-action=\"view figure\" href=\"https:\/\/www.nature.com\/articles\/s41598-025-04387-5\/figures\/5\" rel=\"nofollow noopener\" target=\"_blank\"><img decoding=\"async\" aria-describedby=\"Fig5\" src=\"https:\/\/www.europesays.com\/uk\/wp-content\/uploads\/2025\/06\/41598_2025_4387_Fig5_HTML.png\" alt=\"figure 5\" loading=\"lazy\" width=\"685\" height=\"285\"\/><\/a><\/p>\n<p>The mixed dark-bright plots of \\(\\operatorname {Im}({{\\rho }_{9}}(x,t))\\), where \\(w=2,\\eta _{3}=1,{\\eta }_{2}=1,\\kappa =-0.9,w=2,u= &#8211; 0.1255\\) and \\(t=2\\).<\/p>\n<p><b id=\"Fig6\" class=\"c-article-section__figure-caption\" data-test=\"figure-caption-text\">Fig. 6<\/b><a class=\"c-article-section__figure-link\" data-test=\"img-link\" data-track=\"click\" data-track-label=\"image\" data-track-action=\"view figure\" href=\"https:\/\/www.nature.com\/articles\/s41598-025-04387-5\/figures\/6\" rel=\"nofollow noopener\" target=\"_blank\"><img decoding=\"async\" aria-describedby=\"Fig6\" src=\"https:\/\/www.europesays.com\/uk\/wp-content\/uploads\/2025\/06\/41598_2025_4387_Fig6_HTML.png\" alt=\"figure 6\" loading=\"lazy\" width=\"685\" height=\"278\"\/><\/a><\/p>\n<p>The 2D plots of \\({{\\left| {{\\rho }_{9}}(x,t) \\right| }^{2}}\\) and \\(\\operatorname {Im}({{\\rho }_{9}}(x,t))\\), where \\(w=2,\\eta _{3}=1,{\\eta }_{2}=1,\\kappa =-0.9,w=2,u= -0.1255\\) and \\(t=2\\).<\/p>\n<p>From (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ5\" target=\"_blank\" rel=\"noopener\">5<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ9\" target=\"_blank\" rel=\"noopener\">9<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ12\" target=\"_blank\" rel=\"noopener\">12<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ14\" target=\"_blank\" rel=\"noopener\">14<\/a>), and (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ20\" target=\"_blank\" rel=\"noopener\">20<\/a>) , we can have the following optical soliton solution:<\/p>\n<p>$$\\begin{aligned} \\begin{aligned}&amp;\\rho _{5}(x,t)=\\sqrt{2\\eta _{3}} u \\textrm{sech} \\left( u \\left( x +{\\frac{ \\left( 2\\, \\eta _{3}\\,\\kappa -1 \\right) {t}^{\\alpha }}{\\alpha \\,\\eta _{1}}} \\right) \\right) {\\textrm{e}^{i \\left( -\\kappa \\,x+{\\frac{ \\left( -\\eta _{3}\\,{\\kappa }^ {2}+\\eta _{3}\\,{u}^{2}+\\kappa \\right) {t}^{\\alpha }}{\\alpha \\,\\eta _{1}}} \\right) }}. \\end{aligned} \\end{aligned}$$<\/p>\n<p>\n                    (21)\n                <\/p>\n<p>From (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ6\" target=\"_blank\" rel=\"noopener\">6<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ9\" target=\"_blank\" rel=\"noopener\">9<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ12\" target=\"_blank\" rel=\"noopener\">12<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ14\" target=\"_blank\" rel=\"noopener\">14<\/a>), and (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ20\" target=\"_blank\" rel=\"noopener\">20<\/a>) , we can have the following optical soliton solution:<\/p>\n<p>$$\\begin{aligned} \\begin{aligned}&amp;\\rho _{6}(x,t)=\\sqrt{-2\\eta 3} u \\textrm{csch} \\left( u \\left( x +{\\frac{ \\left( 2\\, \\eta _{3}\\,\\kappa -1 \\right) {t}^{\\alpha }}{\\alpha \\,\\eta _{1}}} \\right) \\right) {\\textrm{e}^{i \\left( -\\kappa \\,x+{\\frac{ \\left( -\\eta _{3}\\,{\\kappa }^ {2}+\\eta _{3}\\,{u}^{2}+\\kappa \\right) {t}^{\\alpha }}{\\alpha \\,\\eta _{1}}} \\right) }}. \\end{aligned} \\end{aligned}$$<\/p>\n<p>\n                    (22)\n                <\/p>\n<p>From (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ7\" target=\"_blank\" rel=\"noopener\">7<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ9\" target=\"_blank\" rel=\"noopener\">9<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ12\" target=\"_blank\" rel=\"noopener\">12<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ14\" target=\"_blank\" rel=\"noopener\">14<\/a>), and (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ20\" target=\"_blank\" rel=\"noopener\">20<\/a>) , we can have the following optical soliton solution:<\/p>\n<p>$$\\begin{aligned} \\begin{aligned}&amp;\\rho _{7}(x,t)=\\sqrt{-2\\eta _{3}} u \\textrm{sec} \\left( u \\left( x +{\\frac{ \\left( 2\\, \\eta _{3}\\,\\kappa -1 \\right) {t}^{\\alpha }}{\\alpha \\,\\eta _{1}}} \\right) \\right) {\\textrm{e}^{i \\left( -\\kappa \\,x+{\\frac{ \\left( -\\eta _{3}\\,{\\kappa }^ {2}-\\eta _{3}\\,{u}^{2}+\\kappa \\right) {t}^{\\alpha }}{\\alpha \\,\\eta _{1}}} \\right) }}. \\end{aligned} \\end{aligned}$$<\/p>\n<p>\n                    (23)\n                <\/p>\n<p>From (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ8\" target=\"_blank\" rel=\"noopener\">8<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ9\" target=\"_blank\" rel=\"noopener\">9<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ12\" target=\"_blank\" rel=\"noopener\">12<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ14\" target=\"_blank\" rel=\"noopener\">14<\/a>), and (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ20\" target=\"_blank\" rel=\"noopener\">20<\/a>) , we can have the following optical soliton solution:<\/p>\n<p>$$\\begin{aligned} \\begin{aligned}&amp;\\rho _{8}(x,t)=\\sqrt{-2\\eta 3} u \\textrm{csc} \\left( u \\left( x +{\\frac{ \\left( 2\\, \\eta _{3}\\,\\kappa -1 \\right) {t}^{\\alpha }}{\\alpha \\,\\eta _{1}}} \\right) \\right) {\\textrm{e}^{i \\left( -\\kappa \\,x+{\\frac{ \\left( -\\eta _{3}\\,{\\kappa }^ {2}-\\eta _{3}\\,{u}^{2}+\\kappa \\right) {t}^{\\alpha }}{\\alpha \\,\\eta _{1}}} \\right) }}. \\end{aligned} \\end{aligned}$$<\/p>\n<p>\n                    (24)\n                <\/p>\n<p>Result 3<\/p>\n<p>$$\\begin{aligned} d_{0}=0,\\eta _{2}=0, d_{1}={\\frac{\\sqrt{-2\\,\\eta _{3}\\,{ r_{2}}}u}{p}}, \\eta _{1}={\\frac{ \\left( { r_{1}}\\,{u}^{2}-{\\kappa }^{2} \\right) \\eta _{3}+\\kappa }{w }}. \\end{aligned}$$<\/p>\n<p>\n                    (25)\n                <\/p>\n<p>From (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ5\" target=\"_blank\" rel=\"noopener\">5<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ9\" target=\"_blank\" rel=\"noopener\">9<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ12\" target=\"_blank\" rel=\"noopener\">12<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ14\" target=\"_blank\" rel=\"noopener\">14<\/a>), and (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ25\" target=\"_blank\" rel=\"noopener\">25<\/a>) , we can have the following optical soliton solution:<\/p>\n<p>$$\\begin{aligned} \\begin{aligned}&amp;\\rho _{9}(x,t)=\\sqrt{2\\eta _{3}}u\\textrm{sech} \\left( u \\left( x+{\\frac{ \\left( 2\\, \\eta _{3}\\,\\kappa -1 \\right) w{t}^{\\alpha }}{\\alpha \\, \\left( \\left( -{ \\kappa }^{2}+{u}^{2} \\right) \\eta _{3}+\\kappa \\right) }} \\right) \\right) \\textrm{e}^{i ( -\\kappa \\,x+{\\frac{w{t}^{\\alpha }}{\\alpha }} ) }. \\end{aligned} \\end{aligned}$$<\/p>\n<p>\n                    (26)\n                <\/p>\n<p>From (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ6\" target=\"_blank\" rel=\"noopener\">6<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ9\" target=\"_blank\" rel=\"noopener\">9<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ12\" target=\"_blank\" rel=\"noopener\">12<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ14\" target=\"_blank\" rel=\"noopener\">14<\/a>), and (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ25\" target=\"_blank\" rel=\"noopener\">25<\/a>), we can have the following optical soliton solution:<\/p>\n<p>$$\\begin{aligned} \\begin{aligned}&amp;\\rho _{10}(x,t)=\\sqrt{-2\\eta _{3}}u\\textrm{csch} \\left( u \\left( x+{\\frac{ \\left( 2\\, \\eta _{3}\\,\\kappa -1 \\right) w{t}^{\\alpha }}{\\alpha \\, \\left( \\left( -{ \\kappa }^{2}+{u}^{2} \\right) \\eta _{3}+\\kappa \\right) }} \\right) \\right) \\textrm{e}^{i ( -\\kappa \\,x+{\\frac{w{t}^{\\alpha }}{\\alpha }} ) }.\\\\ \\end{aligned} \\end{aligned}$$<\/p>\n<p>\n                    (27)\n                <\/p>\n<p>From (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ7\" target=\"_blank\" rel=\"noopener\">7<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ9\" target=\"_blank\" rel=\"noopener\">9<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ12\" target=\"_blank\" rel=\"noopener\">12<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ14\" target=\"_blank\" rel=\"noopener\">14<\/a>), and (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ25\" target=\"_blank\" rel=\"noopener\">25<\/a>), we can have the following optical soliton solution:<\/p>\n<p>$$\\begin{aligned} \\begin{aligned}&amp;\\rho _{11}(x,t)=\\sqrt{-2\\eta _{3}}u\\textrm{sec} \\left( u \\left( x+{\\frac{ \\left( 2\\, \\eta _{3}\\,\\kappa -1 \\right) w{t}^{\\alpha }}{\\alpha \\, \\left( \\left( -{ \\kappa }^{2}-{u}^{2} \\right) \\eta _{3}+\\kappa \\right) }} \\right) \\right) \\textrm{e}^{i ( -\\kappa \\,x+{\\frac{w{t}^{\\alpha }}{\\alpha }} ) }.\\\\ \\end{aligned} \\end{aligned}$$<\/p>\n<p>\n                    (28)\n                <\/p>\n<p>From (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ8\" target=\"_blank\" rel=\"noopener\">8<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ9\" target=\"_blank\" rel=\"noopener\">9<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ12\" target=\"_blank\" rel=\"noopener\">12<\/a>), (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ14\" target=\"_blank\" rel=\"noopener\">14<\/a>), and (<a data-track=\"click\" data-track-label=\"link\" data-track-action=\"equation anchor\" href=\"http:\/\/www.nature.com\/articles\/s41598-025-04387-5#Equ25\" target=\"_blank\" rel=\"noopener\">25<\/a>), we can have the following optical soliton solution:<\/p>\n<p>$$\\begin{aligned} \\begin{aligned}&amp;\\rho _{12}(x,t)=\\sqrt{-2\\eta _{3}}u\\textrm{csc} \\left( u \\left( x+{\\frac{ \\left( 2\\, \\eta _{3}\\,\\kappa -1 \\right) w{t}^{\\alpha }}{\\alpha \\, \\left( \\left( -{ \\kappa }^{2}-{u}^{2} \\right) \\eta _{3}+\\kappa \\right) }} \\right) \\right) \\textrm{e}^{i ( -\\kappa \\,x+{\\frac{w{t}^{\\alpha }}{\\alpha }} ) }.\\\\ \\end{aligned} \\end{aligned}$$<\/p>\n<p>\n                    (29)\n                <\/p>\n<p><b id=\"Fig7\" class=\"c-article-section__figure-caption\" data-test=\"figure-caption-text\">Fig. 7<\/b><a class=\"c-article-section__figure-link\" data-test=\"img-link\" data-track=\"click\" data-track-label=\"image\" data-track-action=\"view figure\" href=\"https:\/\/www.nature.com\/articles\/s41598-025-04387-5\/figures\/7\" rel=\"nofollow noopener\" target=\"_blank\"><img decoding=\"async\" aria-describedby=\"Fig7\" src=\"https:\/\/www.europesays.com\/uk\/wp-content\/uploads\/2025\/06\/41598_2025_4387_Fig7_HTML.png\" alt=\"figure 7\" loading=\"lazy\" width=\"685\" height=\"254\"\/><\/a><\/p>\n<p>Phase portraits of the system\u2019s bifurcations are depicted under different conditions for \\(\\mu _{1}\\) and \\(\\mu _{2}\\), using various parameter values for Case 5.1 and Case 5.2.<\/p>\n<p><b id=\"Fig8\" class=\"c-article-section__figure-caption\" data-test=\"figure-caption-text\">Fig. 8<\/b><a class=\"c-article-section__figure-link\" data-test=\"img-link\" data-track=\"click\" data-track-label=\"image\" data-track-action=\"view figure\" href=\"https:\/\/www.nature.com\/articles\/s41598-025-04387-5\/figures\/8\" rel=\"nofollow noopener\" target=\"_blank\"><img decoding=\"async\" aria-describedby=\"Fig8\" src=\"https:\/\/www.europesays.com\/uk\/wp-content\/uploads\/2025\/06\/41598_2025_4387_Fig8_HTML.png\" alt=\"figure 8\" loading=\"lazy\" width=\"685\" height=\"255\"\/><\/a><\/p>\n<p>Phase portraits of the system\u2019s bifurcations are depicted under different conditions for \\(\\mu _{1}\\) and \\(\\mu _{2}\\), using various parameter values for Case 5.3 and Case 5.4.<\/p>\n","protected":false},"excerpt":{"rendered":"Here, we utilize the new direct mapping method to generate several accurate answers in closed-form for the current&hellip;\n","protected":false},"author":2,"featured_media":190761,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3845],"tags":[78124,78127,78130,3965,78125,3966,78128,78126,4171,78129,74,70,55920,16,15],"class_list":{"0":"post-190760","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-physics","8":"tag-applied-mathematics","9":"tag-bifurcation","10":"tag-conformable-derivative","11":"tag-humanities-and-social-sciences","12":"tag-mathematical-model","13":"tag-multidisciplinary","14":"tag-new-direct-mapping-method","15":"tag-nonlinear-conformable-schrodinger-equation","16":"tag-nonlinear-optics","17":"tag-optical-soliton-solutions","18":"tag-physics","19":"tag-science","20":"tag-solitons","21":"tag-uk","22":"tag-united-kingdom"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@uk\/114696841550208079","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts\/190760","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/comments?post=190760"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts\/190760\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/media\/190761"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/media?parent=190760"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/categories?post=190760"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/tags?post=190760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}