\begin{document}$ ^{144} {\rm{Ba}}$\end{document} as an example, and the octupole deformation effects in \begin{document}$ ^{144} {\rm{Ba}}$\end{document} are analyzed using the RHF Lagrangians PKOi (\begin{document}$ i = 1,2,3 $\end{document}) and RMF Lagrangian DD-ME2. We find that the O-RHF models reproduce the octupole deformation of \begin{document}$ ^{144} {\rm{Ba}}$\end{document} within the uncertainty of experimental results. Moreover, the presence of the Fock terms can enhance the intrusion of the neutron \begin{document}$ 1i_{13/2} $\end{document} and proton \begin{document}$ 1h_{11/2} $\end{document} waves, which leads to enhanced effects of octupole deformation for \begin{document}$ ^{144} {\rm{Ba}}$\end{document}. In particular, owing to the repulsive tensor coupling between the intruding waves and the core of \begin{document}$ ^{144} {\rm{Ba}}$\end{document}, the tensor force component carried by the π-PV coupling, which contributes only via the Fock terms, likely plays an unfavorable role in the occurrence of the octupole deformation of \begin{document}$ ^{144} {\rm{Ba}}$\end{document}."> Relativistic Hartree-Fock model for axial-symmetric nuclei with quadruple and octupole deformations -
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