Comment on "Landau-Lifshitz equation of ferromagnetism: Exact treatment of the Gilbert damping"

Comment on "Landau-Lifshitz equation of ferromagnetism: Exact treatment of the Gilbert damping"
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对“铁磁性的朗道-利夫希茨方程:吉尔伯特阻尼的精确处理”的评论

DOI:
10.1103/physrevlett.56.1756
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发表时间:
1986
影响因子:
8.6
通讯作者:
Weber
Weber
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
Magyari;Thomas;Weber

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Lakshmanan和中村在最近的一封信中报告说:”Landau-Lifshitz-吉尔伯特阻尼的效应只是时间变量t被复常数重新标度,因此,对于无阻尼的Landau-Lifshitz(LL)方程在任何维数上的每一个给定解,都可以直接给出完全阻尼形式的精确解。
In a recentLetter'Lakshmanan and Nakamura reported" that the effect of Landau-Lifshitz-Gilbert damping is just a rescaling of the time variable t by a complex constant, so that for every given solution of the undamped Landau-Lifshitz(LL) equation in any dimension the exact solution of the fully damped ver-sion can be given straightforwardly.