Phase Transitions of S=3/2 and S=2 XXZ Spin Chains with Bond Alternation

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概要

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• Based on the universality concept, we study the S : 3/2 and S : 2 bond-alternating spinchains numerically. In previous papers, the phase diagram of the S = l XXZ spin chain withbond alternation was shown to reflect the hidden Z2 x Z) symmetry. For the higher S Heisenbergspin chain, the successive dirnerization transition occurs, and for anisotropic spin chains the phasestructture will be more colorful than the S :: l case. Using recently developed techniqtues, weshow directly that the phase strtrcture of the anisotropic spin chains relates to the Z2 x Z2symmetry.

• 社団法人日本物理学会の論文
• 1997-11-15

著者

• Nonura Kiyohide

  Department Of Physics Kyushu University

• Kitazawa A

  Department Of Physics Kyushu University:department Of Physics Tokyo Institute Of Technology

• KITAZAWA Atsuhiro

  Department of Physics,Kyushu University

• Kitazawa Atsuhiro

  Department Of Physics Kyusyu University:department Of Physics Tokyo Institute Of Technology

• Nomura Kiyohide

  Department Of Physics Kyushu Univercity

関連論文

• Phase Diagram of S=1/2 Antiferromagnetic XXZ Chain with Next-Nearest-Neighbor Interactions
• Phase Diagram of S=1 XXZ Chain with Next-Nearest-Neighbor Interaction(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
• Haldane, Large-D, and Intermediate-D States in an S = 2 Quantum Spin Chain with On-Site and XXZ Anisotropies
• Phase Transitions of S=3/2 and S=2 XXZ Spin Chains with Bond Alternation
• Critical Properties of S=1 Bond-Alternating XXZ Chains and Hidden Z_2×Z_2 Symmetry
• Berezinskii-Kosterlitz-Thouless Transition of Spin-1 XXZ Chains in a Staggered Magnetic Field
• Onset of Incommensurability in Quantum Spin Chains

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