The Landau-Lifshitz Equation of the Ferromagnetic Spin Chain and Oseen-Frank Flow
The Landau-Lifshitz Equation of the Ferromagnetic Spin Chain and Oseen-Frank Flow
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DOI:
10.1137/16m1094907
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发表时间:
2016-02
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影响因子:
--
通讯作者:
Xueke Pu;M. Wang;Wendong Wang
中科院分区:
文献类型:
--
作者:
Xueke Pu;M. Wang;Wendong Wang
In this paper, we consider the Landau-Lifshitz equation of the ferromagnetic spin chain from $\R^2$ to the unit sphere $S^2$ under the general Oseen-Frank energy. We obtain global existence and uniqueness of weak solutions for large energy data; moreover, the number of singular points is finite.