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OVERLAP LENGTH IN A CU-MN SPIN-GLASS PROBED BY AC SUSCEPTIBILITY
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.
1993 (English)In: Physical Review B Condensed Matter, ISSN 0163-1829, E-ISSN 1095-3795, Vol. 48, 13977-13980 p.Article in journal (Refereed) Published
Abstract [en]

An important theoretical concept in the ‘’droplet” model of spin glasses is the existence of an overlap length. Experimentally this concept was verified by dc-magnetization measurements. However, recent ac-susceptibility measurements by Lefloch et al. [Europhys. Lett. 18, 647 (1992)] have been interpreted to contradict this result. In this paper, ac-susceptibility and dc-magnetization measurements on a Cu (2% Mn) spin glass are reported. The results of the ac-susceptibility measurements are consistent with dc measurements and provide evidence for the existence of an overlap length in 3d spin glasses at low temperatures.

Place, publisher, year, edition, pages
1993. Vol. 48, 13977-13980 p.
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-195530DOI: 10.1103/PhysRevB.48.13977OAI: oai:DiVA.org:uu-195530DiVA: diva2:607961
Available from: 2013-02-26 Created: 2013-02-26 Last updated: 2017-12-06

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