Appendix A
$$\begin{aligned} A_{11}&=-n^{2} \left( {\frac{Q}{\mu _{\mathrm{T}1}^{(0)}}-\frac{P_{1}}{2\mu _{\mathrm{T}1}^{(0)}}} \right) +\mathrm{i}n \left( {\frac{-2\mathrm{i}N}{\mu _{\mathrm{T}1}^{(0)}}+\frac{\gamma '}{\varepsilon } \frac{Q}{\mu _{\mathrm{T}1}^{(0)}}- \frac{\gamma '}{\varepsilon } \frac{P_{1}}{2\mu _{\mathrm{T}1}^{(0)}}} \right) + \left( {\frac{-L}{\mu _{\mathrm{T}1}^{(0)}}-\frac{\mathrm{i} \gamma '}{\varepsilon } \frac{N}{\mu _{\mathrm{T}1}^{(0)}}+\frac{\rho _{1}c^{2} \eta {2}}{\mu _{\mathrm{T}1}^{(0)}}} \right) ,\\ A_{12}&=\frac{-J}{\mu _{\mathrm{T}1}^{(0)}} n^{2}+ \mathrm{i}n\left( \frac{\gamma '}{\varepsilon } \frac{J}{\mu _{\mathrm{T}1}^{(0)}}-\frac{\mathrm{i}P_{1}}{2\mu _{\mathrm{T}1}^{(0)}}-\frac{\mathrm{i}M}{\mu _{\mathrm{T}1}^{(0)}}-\frac{\mathrm{i}Q}{\mu _{\mathrm{T}1}^{(0)}} \right) + \left( {\frac{-N}{\mu _{\mathrm{T}1}^{(0)}}-\frac{\mathrm{i}Q}{\mu _{\mathrm{T}1}^{(0)}} \frac{\gamma '}{\varepsilon } +\mathrm{i}\frac{\gamma '}{\varepsilon }\frac{P_{1}}{2\mu _{\mathrm{T}1}^{(0)}}} \right) , \\ A_{21}&=\frac{-J}{\mu _{\mathrm{T}1}^{(0)}} n^{2}+ \mathrm{i}n\left( \frac{\gamma '}{\varepsilon } \frac{J}{\mu _{\mathrm{T}1}^{(0)}}+\frac{\mathrm{i}P_{1}}{2\mu _{\mathrm{T}1}^{(0)}}-\frac{\mathrm{i}M}{\mu _{\mathrm{T}1}^{(0)}}-\frac{\mathrm{i}Q}{\mu _{\mathrm{T}1}^{(0)}} \right) + \left( {\frac{-N}{\mu _{\mathrm{T}1}^{(0)}}-\frac{\mathrm{i}M}{\mu _{\mathrm{T}1}^{(0)}} \frac{\gamma '}{\varepsilon } } \right) , \\ A_{22}&= \frac{R}{\mu _{\mathrm{T}1}^{(0)}} n^{2}+\mathrm{i}n \left( {\frac{\gamma '}{\varepsilon } \frac{R}{\mu _{\mathrm{T}1}^{(0)}} -\frac{-2\mathrm{i}J}{\mu _{\mathrm{T}1}^{(0)}} } \right) + \left( {\frac{-Q}{\mu _{\mathrm{T}1}^{(0)}} - \frac{\mathrm{i}J}{\mu _{\mathrm{T}1}^{(0)}}\frac{\gamma '}{\varepsilon }-\frac{P_{1}}{2\mu _{\mathrm{T}1}^{(0)}}+\frac{\rho _{1}c^{2} \eta {2}}{\mu _{\mathrm{T}1}^{(0)}}} \right) ,\quad \eta =(1+\mathrm{i}\kappa ),\quad \beta _{1}^{2}=\frac{{\mu _{\mathrm{T}1}^{(0)}}}{\rho _{1}^{(0)}},\\ b_{1}&= \left[ { - {{\left( {\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}} \right) }^2} + \frac{R}{{\mu _{\mathrm{T}1}^{(0)}}}\left( {\frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}} - \frac{{P_0^{(1)}}}{{2\mu _{\mathrm{T}1}^{(0)}}}} \right) } \right] ,\quad {b_2} = 2\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}\left( {\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}\left( {\frac{{\gamma '}}{\varepsilon }} \right) - \mathrm{i}\frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}} - \mathrm{i}\frac{M}{{\mu _{\mathrm{T}1}^{(0)}}}} \right) \\&\quad - \left( {\frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}} - \frac{{P_0^{(1)}}}{{2\mu _{\mathrm{T}1}^{(0)}}}} \right) \left( {\left( {\frac{{\gamma '}}{\varepsilon }} \right) \frac{R}{{\mu _{\mathrm{T}1}^{(0)}}} - 2\mathrm{i}\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}} \right) - \left( {\frac{R}{{\mu _{\mathrm{T}1}^{(0)}}}} \right) \left[ { - 2\mathrm{i}\left( {\frac{N}{{\mu _{\mathrm{T}1}^{(0)}}}} \right) + \left( {\frac{{\gamma '}}{\varepsilon }} \right) \left( {\frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}} \right) - \left( {\frac{{\gamma '}}{\varepsilon }} \right) \frac{{P_0^{(1)}}}{{2\mu _{\mathrm{T}1}^{(0)}}}} \right] ,\\ {b_3}&= \frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}\left[ { - \frac{N}{{\mu _{\mathrm{T}1}^{(0)}}} - \mathrm{i}\left( {\frac{{\gamma '}}{\varepsilon }} \right) \left( {\frac{M}{{\mu _{\mathrm{T}1}^{(0)}}}} \right) } \right] + \frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}\left[ { - \frac{N}{{\mu _{\mathrm{T}1}^{(0)}}} - \mathrm{i}\left( {\frac{{\gamma '}}{\varepsilon }} \right) \left( {\frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}} \right) + \mathrm{i}\left( {\frac{{\gamma '}}{\varepsilon }} \right) \left( {\frac{{P_0^{(1)}}}{{2\mu _{\mathrm{T}1}^{(0)}}}} \right) } \right] \\&\quad + \left( {\frac{R}{{\mu _{\mathrm{T}1}^{(0)}}}} \right) \left[ { - \frac{L}{{\mu _{\mathrm{T}1}^{(0)}}} - \mathrm{i}\left( {\frac{{\gamma '}}{\varepsilon }} \right) \frac{N}{{\mu _{\mathrm{T}1}^{(0)}}} + {{\left( {\frac{c}{{{\beta _1}}}} \right) }^2}{\eta ^2}} \right] - \left[ {\left( {\frac{R}{{\mu _{\mathrm{T}1}^{(0)}}}} \right) \left( {\frac{{\gamma '}}{\varepsilon }} \right) - \frac{{2J}}{{\mu _{\mathrm{T}1}^{(0)}}}\mathrm{i}} \right] \\&\quad \times \left[ { - 2\mathrm{i}\frac{N}{{\mu _{\mathrm{T}1}^{(0)}}} + \left( {\frac{{\gamma '}}{\varepsilon }} \right) \left( {\frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}} \right) - \left( {\frac{{\gamma '}}{\varepsilon }} \right) \left( {\frac{{P_0^{(1)}}}{{2\mu _{\mathrm{T}1}^{(0)}}}} \right) } \right] \\&\quad - \left[ { - \left( {\frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}} \right) - \mathrm{i}\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}\left( {\frac{{\gamma '}}{\varepsilon }} \right) - \left( {\frac{{P_0^{(1)}}}{{2\mu _{\mathrm{T}1}^{(0)}}}} \right) + {{\left( {\frac{c}{{{\beta _1}}}} \right) }^2}{\eta ^2}} \right] \left[ {\frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}} - \frac{{P_0^{(1)}}}{{2\mu _{\mathrm{T}1}^{(0)}}}} \right] \\&\quad + \left[ {\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}\left( {\frac{{\gamma '}}{\varepsilon }} \right) - \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}\mathrm{i} - \frac{M}{{\mu _{\mathrm{T}1}^{(0)}}}\mathrm{i} - \frac{{P_0^{(1)}}}{{2\mu _{\mathrm{T}1}^{(0)}}}\mathrm{i}} \right] \left[ {\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}\left( {\frac{{\gamma '}}{\varepsilon }} \right) - \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}\mathrm{i} - \frac{M}{{\mu _{\mathrm{T}1}^{(0)}}}\mathrm{i} + \frac{{P_0^{(1)}}}{{2\mu _{\mathrm{T}1}^{(0)}}}\mathrm{i}} \right] ,\\ {b_4}&= \left[ {\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}\left( {\frac{{\gamma '}}{\varepsilon }} \right) - i\frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}} - \mathrm{i}\frac{M}{{\mu _{\mathrm{T}1}^{(0)}}} - \frac{{P_0^{(1)}}}{{2\mu _{\mathrm{T}1}^{(0)}}}\mathrm{i}} \right] \left[ {\frac{N}{{\mu _{\mathrm{T}1}^{(0)}}} + \mathrm{i}\left( {\frac{{\gamma '}}{\varepsilon }} \right) \frac{M}{{\mu _{\mathrm{T}1}^{(0)}}}} \right] \\&\quad - \left[ { - \frac{N}{{\mu _{\mathrm{T}1}^{(0)}}} - \mathrm{i}\frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}\left( {\frac{{\gamma '}}{\varepsilon }} \right) + \mathrm{i}\left( {\frac{{\gamma '}}{\varepsilon }} \right) \left( {\frac{{P_0^{(1)}}}{{2\mu _{\mathrm{T}1}^{(0)}}}} \right) } \right] \left[ {\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}\left( {\frac{{\gamma '}}{\varepsilon }} \right) - \mathrm{i}\frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}} - \mathrm{i}\frac{M}{{\mu _{\mathrm{T}1}^{(0)}}} + \frac{{P_0^{(1)}}}{{2\mu _{\mathrm{T}1}^{(0)}}}\mathrm{i}} \right] \\&\quad + \left[ {\left( {\frac{{\gamma '}}{\varepsilon }} \right) \frac{R}{{\mu _{\mathrm{T}1}^{(0)}}} - 2\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}\mathrm{i}} \right] \left[ { - \frac{L}{{\mu _{\mathrm{T}1}^{(0)}}} - \mathrm{i}\left( {\frac{{\gamma '}}{\varepsilon }} \right) \frac{N}{{\mu _{\mathrm{T}1}^{(0)}}} + {{\left( {\frac{c}{{{\beta _1}}}} \right) }^2}{\eta ^2}} \right] \\&\quad + \left[ { - 2\mathrm{i}\left( {\frac{N}{{\mu _{\mathrm{T}1}^{(0)}}}} \right) + \left( {\frac{{\gamma '}}{\varepsilon }} \right) \left( {\frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}} \right) - \left( {\frac{{\gamma '}}{\varepsilon }} \right) \frac{{P_0^{(1)}}}{{2\mu _{\mathrm{T}1}^{(0)}}}} \right] \left[ { - \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}} - \mathrm{i}\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}\left( {\frac{{\gamma '}}{\varepsilon }} \right) - \frac{{P_0^{(1)}}}{{2\mu _{\mathrm{T}1}^{(0)}}} + {{\left( {\frac{c}{{{\beta _1}}}} \right) }^2}{\eta ^2}} \right] ,\\ {b_5}&= \left[ { - \frac{L}{{\mu _{\mathrm{T}1}^{(0)}}} - \mathrm{i}\left( {\frac{{\gamma '}}{\varepsilon }} \right) \left( {\frac{N}{{\mu _{\mathrm{T}1}^{(0)}}}} \right) + {{\left( {\frac{c}{{{\beta _1}}}} \right) }^2}{\eta ^2}} \right] \left[ { - \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}} - \mathrm{i}\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}\left( {\frac{{\gamma '}}{\varepsilon }} \right) - \frac{{P_0^{(1)}}}{{2\mu _{\mathrm{T}1}^{(0)}}} + {{\left( {\frac{c}{{{\beta _1}}}} \right) }^2}{\eta ^2}} \right] \\&\quad + \left[ {\frac{N}{{\mu _{\mathrm{T}1}^{(0)}}} + \mathrm{i}\left( {\frac{{\gamma '}}{\varepsilon }} \right) \left( {\frac{M}{{\mu _{\mathrm{T}1}^{(0)}}}} \right) } \right] \left[ { - \frac{N}{{\mu _{\mathrm{T}1}^{(0)}}} - \mathrm{i}\left( {\frac{{\gamma '}}{\varepsilon }} \right) \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}} + \mathrm{i}\left( {\frac{{\gamma '}}{\varepsilon }} \right) \left( {\frac{{P_0^{(1)}}}{{2\mu _{\mathrm{T}1}^{(0)}}}} \right) } \right] . \end{aligned}$$
Appendix B
$$\begin{aligned} d_{1}= & {} \left( {1 - \frac{{{P_2}}}{{2{\mu _2}}}} \right) \left( {\frac{{{\lambda _2}}}{{{\mu _2}}} + 2} \right) ,\nonumber \\ {d_2}= & {} \left( {\frac{{{\lambda _2}}}{{{\mu _2}}} + 1 + \frac{{{P_2}}}{{2{\mu _2}}}} \right) \left( {\frac{{{\lambda _2}}}{{{\mu _2}}} + 1 - \frac{{{P_2}}}{{2{\mu _2}}}} \right) + \left( {1 - \frac{{{P_2}}}{{2{\mu _2}}}} \right) \left( {\frac{{{v^2}{\eta ^2}}}{{{\beta ^2}}} - \left( {1 + \frac{{{P_2}}}{{2{\mu _2}}}} \right) } \right) \nonumber \\&+ \left( {\frac{{{\lambda _2}}}{{{\mu _2}}} + 2} \right) \left( {\frac{{{v^2}{\eta ^2}}}{{{\beta ^2}}} - \left( {\frac{{{\lambda _2}}}{{{\mu _2}}} + 2} \right) } \right) ,\nonumber \\ {d_3}= & {} \left( {\frac{{{v^2}{\eta ^2}}}{{{\beta ^2}}} - \left( {\frac{{{\lambda _2}}}{{{\mu _2}}} + 2} \right) } \right) \left( {\frac{{{v^2}{\eta ^2}}}{{{\beta ^2}}} - \left( {1 + \frac{{{P_2}}}{{2{\mu _2}}}} \right) } \right) . \end{aligned}$$
Appendix C
$$\begin{aligned}&{a_{11}} = \left[ {\frac{{ - N}}{{\mu _{\mathrm{T}1}^{(0)}}} + \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}{{n_1}} - \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}{\delta _1} + {{n_1}}{\delta _1}\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}} \right] {\mathrm{e}^{ - \mathrm{i}k{{n_1}}H}},\nonumber \\&{a_{12}} = \left[ {\frac{{ - N}}{{\mu _{\mathrm{T}1}^{(0)}}} + \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}{{n_2}} - \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}{\delta _2} + {{n_2}}{\delta _2}\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}} \right] {\mathrm{e}^{ - \mathrm{i}k{{n_2}}H}},\\&{a_{13}} = \left[ {\frac{{ - N}}{{\mu _{\mathrm{T}1}^{(0)}}} - \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}{{n_1}} - \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}{\chi _1} - {{n_1}}{\chi _1}\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}} \right] {\mathrm{e}^{\mathrm{i}k{{n_1}}H}},\nonumber \\&{a_{14}} = \left[ {\frac{{ - N}}{{\mu _{\mathrm{T}1}^{(0)}}} - \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}{{n_2}} - \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}{\chi _2} - {{n_2}}{\chi _2}\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}} \right] {\mathrm{e}^{\mathrm{i}k{{n_2}}H}},\\&{a_{15}} = 0, \quad {a_{16}} = 0,\quad {a_{21}} = \left[ {\frac{{ - M}}{{\mu _{\mathrm{T}1}^{(0)}}} + \frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}{{n_1}} - \frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}{\delta _1} + {{n_1}}{\delta _1}\frac{R}{{\mu _{\mathrm{T}1}^{(0)}}}} \right] {\mathrm{e}^{ - \mathrm{i}k{{n_1}}H}},\\&{a_{22}} = \left[ {\frac{{ - M}}{{\mu _{\mathrm{T}1}^{(0)}}} + \frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}{{n_2}} - \frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}{\delta _2} + {{n_2}}{\delta _2}\frac{R}{{\mu _{\mathrm{T}1}^{(0)}}}} \right] {\mathrm{e}^{ - \mathrm{i}k{{n_2}}H}},\nonumber \\&{a_{23}} = \left[ {\frac{{ - M}}{{\mu _{\mathrm{T}1}^{(0)}}} - \frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}{{n_1}} - \frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}{\chi _1} - {{n_1}}{\chi _1}\frac{R}{{\mu _{\mathrm{T}1}^{(0)}}}} \right] {\mathrm{e}^{\mathrm{i}k{{n_1}}H}},\\&{a_{24}} = \left[ {\frac{{ - M}}{{\mu _{\mathrm{T}1}^{(0)}}} - \frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}{{n_2}} - \frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}{\chi _2} - {{n_2}}{\chi _2}\frac{R}{{\mu _{\mathrm{T}1}^{(0)}}}} \right] {\mathrm{e}^{\mathrm{i}k{{n_2}}H}},\quad {a_{25}} = 0,\quad {a_{26}} = 0,\\&{a_{31}} = \left[ {\frac{{ - N}}{{\mu _{\mathrm{T}1}^{(0)}}} + \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}{{n_1}} - \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}{\delta _1} + {{n_1}}{\delta _1}\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}} + \phi } \right] ,\\&{a_{32}} = \left[ {\frac{{ - N}}{{\mu _{\mathrm{T}1}^{(0)}}} + \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}{{n_2}} - \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}{\delta _2} + {{n_2}}{\delta _2}\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}} + \phi } \right] ,\quad {a_{35}} = - \phi ,\\&{a_{33}} = \left[ {\frac{{ - N}}{{\mu _{\mathrm{T}1}^{(0)}}} - \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}{{n_1}} - \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}{\chi _1} - {{n_1}}{\chi _1}\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}} + \phi } \right] ,\\&{a_{34}} = \left[ {\frac{{ - N}}{{\mu _{\mathrm{T}1}^{(0)}}} - \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}{{n_2}} - \frac{Q}{{\mu _{\mathrm{T}1}^{(0)}}}{\chi _2} - {{n_2}}{\chi _2}\frac{J}{{\mu _{\mathrm{T}1}^{(0)}}} + \phi } \right] ,\quad {a_{36}} = - \phi , \end{aligned}$$
$$\begin{aligned}&{a_{41}} = \left[ {\frac{{ - M}}{{\mu _{\mathrm{T}1}^{(0)}}} + \frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}{{n_1}} - \frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}{\delta _1} + {{n_1}}{\delta _1}\frac{R}{{\mu _{\mathrm{T}1}^{(0)}}} + \psi {\delta _1}} \right] ,\nonumber \\&{a_{42}} = \left[ {\frac{{ - M}}{{\mu _{\mathrm{T}1}^{(0)}}} + \frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}{{n_2}} - \frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}{\delta _2} + {{n_2}}{\delta _2}\frac{R}{{\mu _{\mathrm{T}1}^{(0)}}} + \psi {\delta _2}} \right] ,\\&{a_{43}} = \left[ {\frac{{ - M}}{{\mu _{\mathrm{T}1}^{(0)}}} - \frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}{{n_1}} - \frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}{\chi _1} - {{n_1}}{\chi _1}\frac{R}{{\mu _{\mathrm{T}1}^{(0)}}} + \psi {\chi _1}} \right] ,\\&{a_{44}} = \left[ {\frac{{ - M}}{{\mu _{\mathrm{T}1}^{(0)}}} - \frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}{{n_2}} - \frac{J}{{\mu _{\mathrm{T}1}^{(0)}}}{\chi _2} - {{n_2}}{\chi _2}\frac{R}{{\mu _{\mathrm{T}1}^{(0)}}} + \psi {\chi _2}} \right] ,\\&{a_{45}} = - \psi {\ell _3},\quad {a_{46}} = - \psi {\ell _4},\quad {a_{51}} = \frac{\phi }{\mu },\quad {a_{52}} = \frac{\phi }{\mu },\quad {a_{53}} = \frac{\phi }{\mu },\quad {a_{54}} = \frac{\phi }{\mu },\quad \psi = v\left( {( {1 + \mathrm{i}\kappa })\overline{{M_2}} - i\overline{{L_2}} } \right) ,\\&{a_{55}} = - \left( {{{m_1}} + {\ell _3} + \frac{\phi }{\mu }} \right) ,\quad {a_{56}} = - \left( {{{m_2}} + {\ell _4} + \frac{\phi }{\mu }} \right) ,\quad {a_{61}} = \frac{\psi }{\mu },\quad {a_{62}} = \frac{\psi }{\mu },\quad {a_{63}} = \frac{\psi }{\mu },\quad {a_{64}} = \frac{\psi }{\mu },\\&{a_{65}} = - \left( {{{m_1}}{\ell _3}\left( {\frac{{{\lambda _2}}}{{{\mu _2}}} + 2} \right) + \frac{\psi }{\mu }{\ell _3} + \frac{{{\lambda _2}}}{{{\mu _2}}}} \right) ,\quad {a_{66}} = - \left( {{{m_2}}{\ell _4}\left( {\frac{{{\lambda _2}}}{{{\mu _2}}} + 2} \right) + \frac{\psi }{\mu }{\ell _4} + \frac{{{\lambda _2}}}{{{\mu _2}}}} \right) ,\\&\phi = v\left( {( {1 +\mathrm{i}\kappa } )\overline{{M_1}} - \mathrm{i}\overline{{L_1}} } \right) . \end{aligned}$$