One-Dimensional Ferronematics in a Channel: Order Reconstruction, Bifurcations, and Multistability

نویسندگان

چکیده

We study a model system with nematic and magnetic order, within channel geometry modeled by an interval, $[-D, D]$. The is characterized tensor-valued order parameter ${{Q}}$ vector-valued magnetization ${{M}}$, the observable states are as stable critical points of appropriately defined free energy which includes nemato-magnetic coupling term, $c$. (i) derive $L^\infty$ bounds for ${{M}}$; (ii) prove uniqueness result in specified regimes; (iii) analyze reconstruction solutions, possessing domain walls, their stabilities function $D$ $c$ and; (iv) perform numerical studies that elucidate interplay multistability.

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ژورنال

عنوان ژورنال: Siam Journal on Applied Mathematics

سال: 2022

ISSN: ['0036-1399', '1095-712X']

DOI: https://doi.org/10.1137/21m1400171