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arXiv · 2311.07860

On Stability of Critical Points for the High Dimensional Onsager Functional with Maier-Saupe Potential

Sisi Guan·Wei Wang·Qi Zhao
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Abstract

We study the stability of the critical points of the Onsager energy functional with Maier-Saupe interaction potential in general dimensions. We show that the stable critical points must be axisymmetric, which solves a problem proposed by [H. Wang, P. Hoffman, Commun. Math. Sci. 6 (2008), 949--974] and further conjectured by [P. Degond, A. Frouvelle, J.-G. Liu, Kinetic and Related Models, 15(2022), 417--465]. The main ingredients of the proof include a suitable decomposition of the second variation around the critical points and a detailed analysis of the relation between the intensity of interaction and the order parameter characterizing the anisotropy of the solution.

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Sisi Guan, Wei Wang, Qi Zhao. 2023-11-14. On Stability of Critical Points for the High Dimensional Onsager Functional with Maier-Saupe Potential. https://doi.org/10.4310/cms.250930034159

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