Pair States and Bound States of Solitons in an Ising-Like S=1/2 Antiferromagnet with a Weak Next-Nearest-Neighbor Interaction on a Linear Chain
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概要
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The spin dynamics of an Ising-like S=1/2 antiferromagnet with a weak nextnearest-neighbor interaction on a linear chain is studied by a perturbation method.Bound states of two domain walls, i.e., 2-soliton bound states, arc found in additionto soliton-pair states. When the next-nearest-neighbor interaction is ferromagnetic,the dynamical structure factor S"(k, ctt) exhibits a sharp peak at a lower energy and atail at higher energies. Our results are in good agreement with experimental observa-lions of S"(k, co) on CsCoCl. and CsCoBr, at low temperatures.
- 社団法人日本物理学会の論文
- 1989-12-15
著者
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INAWASHIRO Sakari
Department of Computer Science, Nihon University
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Matsubara Fumitaka
Department Of Applied Physics Tohoku University
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Matsubara Fumitaka
Department Of Applied Physics Faculty Of Engineering The University Of Tohoku
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Inawashiro Sakari
Department Of Applied Physics Faculty Of Engineering Toyoku University
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