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2010 | 118 | 5 | 742-744
Article title

Ground-State Properties of the Spin-1/2 Heisenberg-Ising Bond Alternating Chain with Dzyaloshinskii-Moriya Interaction

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EN
Abstracts
EN
Ground-state energy is exactly calculated for the spin-1/2 Heisenberg-Ising bond alternating chain with the Dzyaloshinskii-Moriya interaction. Under certain condition, which relates a strength of the Ising, Heisenberg and Dzyaloshinskii-Moriya interactions, the ground-state energy exhibits an interesting nonanalytic behavior accompanied with a gapless excitation spectrum.
Keywords
Contributors
author
  • Department of Theoretical Physics and Astrophysics, Faculty of Science, P.J. Šafárik University, Park Angelinum 9, 040 01 Košice, Slovak Republic
author
  • Department of Applied Mathematics, Faculty of Mechanical Engineering, Technical University, Letná 9, 042 00 Košice, Slovak Republic
author
  • Institute for Condensed Matter Physics, National Academy of Sciences of Ukraine, 1 Svientsitskii Str., L'viv-11, 79011, Ukraine
References
  • 1. D.C. Mattis, The Many-Body Problem: An Encyclopedia of Exactly Solved Models in One Dimension, World Scientific, Singapore 1993
  • 2. E. Lieb, T. Schultz, D. Mattis, Ann. Phys. 16, 407 (1961)
  • 3. H. Yao, J. Li, Ch.-D. Gong, Solid State Commun. 121, 687 (2002)
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv118n5011kz
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