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Part of the book series: Springer Proceedings in Physics ((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.

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References

  1. See, for example, T. Sakai and M. Takahashi, Phys. Rev. B 43 (1991) 13383.

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  2. H. Q. Lin, Phys. Rev. B 42 (1990) 6561.

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  3. H. Nishimori, Bussei Kenkyuu 56 (1991) 494 (in Japanese): We thank to Professor H. Nishimori for providing us TITPACK Ver. 2 coded by him.

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  4. T. Tonegawa, M. Kaburagi, N. Ichikawa and I. Harada, these proceedings and to be submitted to J. Phys. Soc. Jpn.

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© 1992 Springer-Verlag Berlin Heidelberg

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Kaburagi, M., Tonegawa, T., Nishino, T. (1992). Numerical Study of Quantum Spin Systems. In: Miyashita, S., Imada, M., Takayama, H. (eds) Computational Approaches in Condensed-Matter Physics. Springer Proceedings in Physics, vol 70. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84821-6_32

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  • DOI: https://doi.org/10.1007/978-3-642-84821-6_32

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-84823-0

  • Online ISBN: 978-3-642-84821-6

  • eBook Packages: Springer Book Archive

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