Bose, Indrani (1988) Spin-wave spectra in an order-parameter-preserving antiferromagnet Journal of Physics C: Solid State Physics, 21 (22). L841-L845. ISSN 0022-3719
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Official URL: http://iopscience.iop.org/0022-3719/21/22/012
Related URL: http://dx.doi.org/10.1088/0022-3719/21/22/012
Abstract
Recent experiments on the antiferromagnetically ordered compound CeAs suggest that the order parameter is almost conserved in this system. The spin-wave spectra display quadratic dispersion which is unusual in an antiferromagnet. The author obtains an exact solution for the spin-wave spectra in an order-parameter-preserving FCC antiferromagnet and explain the origin of the quadratic dispersion. The relevance of these results to the experimental situation is also discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Institute of Physics Publishing. |
| ID Code: | 6023 |
| Deposited On: | 19 Oct 2010 09:48 |
| Last Modified: | 19 Oct 2010 09:48 |
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