Numerical Study of Quantum Spin Systems

  • M. Kaburagi
  • T. Tonegawa
  • T. Nishino
Part of the Springer Proceedings in Physics book series (SPPHY, volume 70)

Abstract

We have developed a new coding technique of the Lanczös method for exact diagonalization of quantum spin systems. The technique enables us to save the memory-space and CPU time in carrying out numerical calculation for substantially large system size. The algorithm, namely “subspace coding”, is discussed in detail.

References

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    See, for example, T. Sakai and M. Takahashi, Phys. Rev. B 43 (1991) 13383.Google Scholar
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    H. Q. Lin, Phys. Rev. B 42 (1990) 6561.Google Scholar
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    H. Nishimori, Bussei Kenkyuu 56 (1991) 494 (in Japanese): We thank to Professor H. Nishimori for providing us TITPACK Ver. 2 coded by him.Google Scholar
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    T. Tonegawa, M. Kaburagi, N. Ichikawa and I. Harada, these proceedings and to be submitted to J. Phys. Soc. Jpn.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1992

Authors and Affiliations

  • M. Kaburagi
    • 1
  • T. Tonegawa
    • 2
  • T. Nishino
    • 3
  1. 1.College of Liberal ArtsKobe UniversityTsurukabuto, Nada, Kobe 657Japan
  2. 2.Department of PhysicsKobe UniversityRokkodai, Kobe 567Japan
  3. 3.Department of PhysicsOsaka UniversityToyonaka, Osaka 560Japan

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