Discrete breathers in an one-dimensional array of magnetic dots

被引：2

作者：

Pylypchuk, Roman L. ^{[1
]}

Zolotaryuk, Yaroslav ^{[2
]}

机构：

[1] Univ Munich, Dept Phys, D-80333 Munich, Germany

[2] Natl Acad Sci Ukraine, Bogolyubov Inst Theoret Phys, UA-03680 Kiev, Ukraine

来源：

LOW TEMPERATURE PHYSICS | 2015年 / 41卷 / 09期

关键词：

QUASI-PERIODIC BREATHERS; LOCALIZED EXCITATIONS; HAMILTONIAN NETWORKS; EXISTENCE; LATTICES; OSCILLATIONS; DIAMETER; DENSITY; STATES; MODES;

D O I：

10.1063/1.4930972

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The dynamics of the one-dimensional array of magnetic particles (dots) with the easy-plane anisotropy is investigated. The particles interact with each other via the magnetic dipole interaction and the whole system is governed by the set of Landau-Lifshitz equations. The spatially localized and time-periodic solutions known as discrete breathers (or intrinsic localized modes) are identified. These solutions have no analogue in the continuum limit and consist of the core where the magnetization vectors precess around the hard axis and the tails where the magnetization vectors oscillate around the equilibrium position. (C) 2015 AIP Publishing LLC.

引用

页码：733 / 738

页数：6

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