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Density Matrix of a Finite Sub-chain of the Heisenberg Anti-ferromagnet

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Abstract

We consider a finite sub-chain on an interval of the infinite XXX model in the ground state. The density matrix for such a subsystem was described in our previous works for the model with inhomogeneous spectral parameters. In the present letter, we give a compact formula for the physically interesting case of the homogeneous model.

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References

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Authors and Affiliations

  1. Physics Department, University of Wuppertal, 42097, Wuppertal, Germany

    H. Boos

  2. Graduate School of Mathematical Sciences, The University of Tokyo, Tokyo, 153-8914, Japan

    M. Jimbo

  3. Department of Mathematics, Graduate School of Science, Kyoto University, Kyoto, 606-8502, Japan

    T. Miwa

  4. Laboratoire de Physique Théorique et Hautes Energies, Université Pierre et Marie Curie, Tour 16 1er étage, 4 Place Jussieu, 75252, Paris Cedex 05, France

    F. Smirnov

  5. Graduate School of Pure and Applied Sciences, Tsukuba University, Tsukuba, Ibaraki, 305-8571, Japan

    Y. Takeyama

  6. Skobeltsyn Institute of Nuclear Physics, Moscow State University, 119992, Moscow, Russia

    H. Boos

Authors
  1. H. Boos
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  2. M. Jimbo
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  3. T. Miwa
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  4. F. Smirnov
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  5. Y. Takeyama
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Corresponding author

Correspondence to H. Boos.

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Boos, H., Jimbo, M., Miwa, T. et al. Density Matrix of a Finite Sub-chain of the Heisenberg Anti-ferromagnet. Lett Math Phys 75, 201–208 (2006). https://doi.org/10.1007/s11005-006-0054-x

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  • DOI: https://doi.org/10.1007/s11005-006-0054-x

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