Quantum fluctuations of the antiferro-antiferromagnetic double-layer |
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Authors: | Jiang Wei Zhu Cheng-Bo Yu Gui-Hong and Lo Veng-Cheong |
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Affiliation: | School of Science, Shenyang University of Technology, Shenyang 110178, China; Department of Applied Physics, The Hong Kong Polytechnic University, Hong Kong, China |
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Abstract: | This paper stuides the magnetization and quantum fluctuations of an
antiferro-antiferromagnetic (AF-AF) double-layer at zero
temperature. It is found that the exchanges and anisotropy constants
affect the quantum fluctuations of spins. If the anisotropy exists,
there will be no acoustic energy branch in the system. The
anisotropy constant, antiferromagnetic intralayer and interlayer
coupling have important roles in a balance of the quantum
competition. |
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Keywords: | quantum fluctuations antiferromagnetic double-layer magnetization |
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