Magnetoacoustics of the Low-Dimensional Quantum Antiferromagnet Cs2CuCl4 with Spin Frustration

被引：0
|
作者：
A. Sytcheva
O. Chiatti
J. Wosnitza
S. Zherlitsyn
A. A. Zvyagin
R. Coldea
Z. Tylczynski
机构：
[1] Forschungszentrum Dresden-Rossendorf,Hochfeld
[2] University College London,Magnetlabor Dresden (HLD)
[3] Max-Planck-Institut für Physik Komplexer Systeme,London Centre for Nanotechnology
[4] B.I. Verkin Institute for Low Temperature Physics and Engineering,Institute of Physics
[5] Oxford Physics,undefined
[6] Clarendon Laboratory,undefined
[7] Adam Mickiewicz University,undefined
来源：
Journal of Low Temperature Physics | 2010年 / 159卷
关键词：
Frustrated AFM; Hard-core bosons; Spin liquid; Magnetoacoustics;
D O I：
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中图分类号：
学科分类号：
摘要：
We report on results of sound-velocity and sound-attenuation measurements in the triangular-lattice spin-1/2 antiferromagnet Cs2CuCl4 (TN=0.6 K), in external magnetic fields up to 14 T, applied along the b axis, and at temperatures down to 300 mK. The results are analyzed with a quasi-two-dimensional hard-core boson theory based on exchange-striction coupling. There is a good qualitative agreement between theoretical and experimental results.
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页码：109 / 113
页数：4
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