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<sup>19</sup>F-NMR Study on Antiferromagnetic Heisenberg Chain KCuGaF<sub>6</sub>
Bibliographic Information
- Published
- 2011-07-20
- Resource Type
- journal article
- DOI
-
- 10.1088/1742-6596/302/1/012012
- Publisher
- IOP Publishing
Description
S = 1/2 one-dimensional antiferromagnet KCuGaF6, which has the alternation of both the g-tensor and Dyzaloshinsky-Moriya (DM) vector along the chain, is theoretically expected to show the field-induced spingap. We have measured the longitudinal nuclear spin relaxation rate T1−1 of 19F-NMR and found that it shows the thermal activation type temperature dependence, indicating the existing of the spingap. The field-dependence of the gap is found to be proportional to H2/3. These results are consistent with the theory of Affleck and Oshikawa.
Journal
-
- Journal of Physics: Conference Series
-
Journal of Physics: Conference Series 302 012012-, 2011-07-20
IOP Publishing
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Details 詳細情報について
-
- CRID
- 1360285709421754368
-
- ISSN
- 17426596
-
- Article Type
- journal article
-
- Data Source
-
- Crossref
- KAKEN
- OpenAIRE
