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Persistent URL http://purl.org/net/epubs/work/656
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Record Id 656
Title Spin fluctuations in an ordered Heisenberg ferromagnet with dipolar interactions
Abstract Results from a theoretical analysis of the Heisenberg model of a ferromagnet, including dipolar interactions, are successfully used to interpret recent measurements performed on EuS, just below the critical temperature, that probe the dynamics of long wavelength spin fluctuations parallel (longitudinal) and perpendicular (transverse) to the spontaneous magnetization. Attention is given in the paper to longitudinal fluctuations following this and other related experimental investigations on the topic. With a view to future experiments, properties of the spin dynamics in the critical region are discussed within the framework of the coupled mode approximation.
Organisation ISIS , ISIS-THEORY , SERC
Keywords Physics , ISIS 1993 (RAL Report) , ISIS 1993
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Language English (EN)
Type Details URI(s) Local file(s) Year
Journal Article J Phys-Condens Mat 5 (1993): L251. doi:10.1088/0953-8984/5/18/003 1993
Report RAL Technical Reports RAL-93-013. 1993. RAL-TR-1993-013.pdf 1993