Harris, A. B. and Berlinsky, A. J. and Bruder, C.. (1991) Ordering by quantum fluctuations in a strongly frustrated Heisenberg antiferromagnet. Journal of applied physics, Vol. 69, H. 8, Part 2A. pp. 5200-5202.
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Official URL: http://edoc.unibas.ch/dok/A5252869
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Abstract
The nature of the ordering of a quantum spin-1/2 Heisenberg antiferromagnet is considered in the presence of the strong lattice frustration associated with the pyrochlore lattice. A field theory indicates that quantum fluctuations lead to a state having dimerization that has long-range static correlations not in but rather in . A sublattice ordering is found that is consistent with results obtained using degenerate perturbation theory to analyze the ground-state manifold.
Faculties and Departments: | 05 Faculty of Science > Departement Physik > Physik > Theoretische Physik (Bruder) |
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UniBasel Contributors: | Bruder, Christoph |
Item Type: | Article, refereed |
Article Subtype: | Research Article |
Publisher: | American Institute of Physics |
ISSN: | 0021-8979 |
Note: | Publication type according to Uni Basel Research Database: Journal article |
Identification Number: |
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Last Modified: | 22 Mar 2012 14:26 |
Deposited On: | 22 Mar 2012 13:53 |
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