Haldane to Dimer Phase Transition in the Spin-1 Haldane System with Bond-Alternating Nearest-Neighbor and Uniform Next-Nearest-Neighbor Exchange Interactions
スポンサーリンク
概要
- 論文の詳細を見る
The Haldane to dimer phase transition is studied in the spin-1 Haldane system with bond-alternating nearest-neighbor and uniform next-nearest-neighbor exchange interactions, where both interactions are antiferromagnetic and thus compete with each other. By using a method of exact diagonalization, the ground-state phase diagram on the ratio of the next-nearest-neighbor interaction constant to the nearest-neighbor one versus the bond-alternation parameter of the nearest-neighbor interactions is determined. It is found that the competition between the interactions stabilizes the dimer phase against the Haldane phase.spin-1 Haldane systemHaldane to dimer phase transitionbond alternationcompeting exchange interactionground-state phase diagram
- 東北大学の論文
- 1995-03-20
著者
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鏑木 誠
神戸大学国際文化学部
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TONEGAWA Takashi
Department of Mechanical Engineering, Fukui University of Technology
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康 敏
神戸大学国際文化学研究科
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Tonegawa T
Department Of Mechanical Engineering Fukui University Of Technology
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Tonegawa Takashi
Department Of Earth And Environmental Sciences Graduate School Of Environmental Studies Nagoya Unive
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Tonegawa Takashi
Department Of Mechanical Engineering Fukui Uneversity Of Technology
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Kaburagi Makoto
Graduate School Of Intercultural Studies Kobe University
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Kaburagi Makoto
Faculty Of Cross-cultural Studies Kobe University
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Tonegawa Takashi
Faculty Of Engineering Fukui University Of Technology
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Nakao T
Division Of Physics Graduate School Of Science And Technology Kobe University
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Nakao Takeshi
Murata Mfg. Co. Ltd.
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Nakao Takeshi
Department Of Electrical And Information Systems Osaka Prefecture University
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Nakao T
Murata Mfg. Co. Ltd. Kyoto Jpn
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Nakao Takeshi
Department Of Quantum Engineering Nagoya University
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鏑木 誠
神戸大学国際文化学研究科
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KABURAGI Makoto
Department of Physics, Osaka University
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