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Isothermal remanent magnetization and the spin dimensionality of spin glasses
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
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2010 (English)In: Philosophical Magazine Letters, ISSN 0950-0839, E-ISSN 1362-3036, Vol. 90, no 10, 723-729 p.Article in journal (Refereed) Published
Abstract [en]

The isothermal remanent magnetization is used to investigate dynamical magnetic properties of spatially three-dimensional spin glasses with different spin dimensionality (Ising, XY, Heisenberg). The isothermal remanent magnetization is recorded versus temperature after the application of a weak magnetic field at a constant temperature T-h. We observe that in the case of the Heisenberg spin glasses, the equilibrated spin structure and the direction of the excess moment are recovered at T-h. The isothermal remanent magnetization thus reflects the directional character of the Dzyaloshinsky-Moriya interaction present in Heisenberg systems.

Place, publisher, year, edition, pages
2010. Vol. 90, no 10, 723-729 p.
Keyword [en]
spin glasses, spin dimensionality, aging, memory, rejuvenation, magnetization measurements, thermal history, isothermal remanence
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-135594DOI: 10.1080/09500839.2010.502140ISI: 000280670400004OAI: oai:DiVA.org:uu-135594DiVA: diva2:375207
Available from: 2010-12-07 Created: 2010-12-07 Last updated: 2017-12-11

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Mathieu, RolandHudl, MatthiasNordblad, Per

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