| Dynamics of magnetic charges in artificial spin ice. | |
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MedLine Citation:
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PMID: 21231135 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Artificial spin ice has been recently implemented in two-dimensional arrays of mesoscopic magnetic wires. We propose a theoretical model of magnetization dynamics in artificial spin ice under the action of an applied magnetic field. Magnetization reversal is mediated by domain walls carrying two units of magnetic charge. They are emitted by lattice junctions when the local field exceeds a critical value Hc required to pull apart magnetic charges of opposite sign. Positive feedback from Coulomb interactions between magnetic charges induces avalanches in magnetization reversal. |
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Authors:
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Paula Mellado; Olga Petrova; Yichen Shen; Oleg Tchernyshyov |
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Publication Detail:
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Type: Journal Article Date: 2010-10-27 |
Journal Detail:
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Title: Physical review letters Volume: 105 ISSN: 1079-7114 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2010 Oct |
Date Detail:
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Created Date: 2011-01-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 187206 Citation Subset: - |
Affiliation:
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Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, Maryland 21218, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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