Frustration-induced quantum phases in mixed spin chain with frustrated side chains

• 飛田, 和男

抄録

type:text

A mixed Heisenberg spin chain with frustrated side chains is investigated by numerical and perturbational calculations. A frustration-induced quantum partially polarized ferrimagnetic phase and a nonmagnetic spin quadrupolar phase are found adjacent to the conventional Lieb-Mattis-type ferrimagnetic phase or the nonmagnetic singlet cluster solid phases. The partially polarized ferrimagnetic phase has an incommensurate spin structure. Similar structures are commonly found in other frustration-induced partially polarized ferrimagnetic phases. Numerical results also suggest a series of almost critical nonmagnetic ground states in a highly frustrated regime if the side chain spins weakly couple to the main chain.

identifier:http://link.aps.org/abstract/PRB/v78/e064407

収録刊行物

• PHYSICAL REVIEW B

  PHYSICAL REVIEW B 78 (6), 064407-1-064407-10, 2008

  American Physical Society

詳細情報

• CRID: 1050845762748936192
• NII論文ID: 120006385825
• ISSN: 10980121
• Web Site: http://id.nii.ac.jp/1586/00013333/
• 本文言語コード: en
• 資料種別: journal article
• データソース種別:
  • IRDB
  • CiNii Articles