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dc.contributor.authorRodger, Clifford John-
dc.description.abstractElectron spin resonance (ESR) is an important experimental technique. A comprehensive theory of ESR has been di cult to establish, and as such several di erent approximations are used to predict and explain experimental results. This thesis applies the bond-mean- eld theory to the problem of ESR frequency shift for the one-dimensional antiferromagnetic Heisenberg spin chain with uniaxial exchange anisotropy. We use this theory to calculate the ESR resonance frequency shift as a function of temperature and magnetic eld. We perform numerical calculations using the expression obtained. These results are compared to existing results in the literature; they are in broad agreement with theoretical results such as those of Oshikawa and A eck obtained via bosonisation, but they show discrepancies with experimental results. We agree with the theoretical authors that the discrepancy is due to our use of the simplest-case interaction model.en_CA
dc.publisherLaurentian University of Sudburyen_CA
dc.subjectspin latticesen_CA
dc.subjectbond-mean-field theoryen_CA
dc.subjectsolid stateen_CA
dc.titleBond mean field theory for electron spin resonance frequency shift analysisen_CA
dc.description.degreeMaster of Science (MSc) in Physicsen_CA
dc.publisher.grantorLaurentian University of Sudburyen_CA
Appears in Collections:Master's Theses
Master's Theses

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