Existence and stability of skyrmion bags in thin magnetic films

Charles Kind; Sven Friedemann; Dan  Read

doi:10.1063/1.5127173

Existence and stability of skyrmion bags in thin magnetic films

Charles Kind, Sven Friedemann, Dan Read

Research output: Contribution to journal › Article (Academic Journal) › peer-review

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Abstract

Skyrmion bags are spin textures of any integer topological degree, realised in thin film micromagnetic simulations and experimentally in liquid crystals. They have been proposed as a new form of magnetic data storage due to their stability with respect to perturbations and the possibility of encoding different values in topologically distinct magnetisation configurations. We simulate skyrmion bags in magnetic thin films having a range of physically realistic material parameters. The results give a range over which stable skyrmion bags may be found in experiment and we extract a relationship to help guide production of these potentially useful quasiparticles.

Original language	English
Article number	022413
Number of pages	6
Journal	Applied Physics Letters
Volume	116
Issue number	2
Early online date	16 Jan 2020
DOIs	https://doi.org/10.1063/1.5127173
Publication status	E-pub ahead of print - 16 Jan 2020

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abstract = "Skyrmion bags are spin textures of any integer topological degree, realised in thin film micromagnetic simulations and experimentally in liquid crystals. They have been proposed as a new form of magnetic data storage due to their stability with respect to perturbations and the possibility of encoding different values in topologically distinct magnetisation configurations. We simulate skyrmion bags in magnetic thin films having a range of physically realistic material parameters. The results give a range over which stable skyrmion bags may be found in experiment and we extract a relationship to help guide production of these potentially useful quasiparticles.",

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AU - Kind, Charles

AU - Friedemann, Sven

AU - Read, Dan

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N2 - Skyrmion bags are spin textures of any integer topological degree, realised in thin film micromagnetic simulations and experimentally in liquid crystals. They have been proposed as a new form of magnetic data storage due to their stability with respect to perturbations and the possibility of encoding different values in topologically distinct magnetisation configurations. We simulate skyrmion bags in magnetic thin films having a range of physically realistic material parameters. The results give a range over which stable skyrmion bags may be found in experiment and we extract a relationship to help guide production of these potentially useful quasiparticles.

AB - Skyrmion bags are spin textures of any integer topological degree, realised in thin film micromagnetic simulations and experimentally in liquid crystals. They have been proposed as a new form of magnetic data storage due to their stability with respect to perturbations and the possibility of encoding different values in topologically distinct magnetisation configurations. We simulate skyrmion bags in magnetic thin films having a range of physically realistic material parameters. The results give a range over which stable skyrmion bags may be found in experiment and we extract a relationship to help guide production of these potentially useful quasiparticles.

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Existence and stability of skyrmion bags in thin magnetic films

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Existence and stability of skyrmion bags in thin magnetic films

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