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Finite Size Effects in Anisotropic u = ∞ Hubbard Ladder Rings

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Abstract

We apply perturbation theory and cyclic spin permutation formalism to study the lowest energy states of the infinite-repulsion Hubbard model on finite fragments of n-leg ladder rings and show jump-wise behavior of the ground state spin S 0 as a function of fragment parameters.

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Acknowledgements

VOC acknowledges the support of the VolkswagenStiftung, Germany (via grant 151110). DJK acknowledges the support of the Welch Foundation of Houston, TX (via grant BD-0894).

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Authors and Affiliations

  1. V.N. Karazin Kharkiv National University, 61022 Svoboda Sq., 4, Kharkiv, Ukraine

    V. O. Cheranovskii, E. V. Ezerskaya & V. V. Tokarev

  2. Texas A&M University at Galveston, Galveston, TX, USA

    D. J. Klein

Authors
  1. V. O. Cheranovskii
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  2. E. V. Ezerskaya
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  3. D. J. Klein
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  4. V. V. Tokarev
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Correspondence to V. O. Cheranovskii.

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Cheranovskii, V.O., Ezerskaya, E.V., Klein, D.J. et al. Finite Size Effects in Anisotropic u = ∞ Hubbard Ladder Rings. J Supercond Nov Magn 31, 1369–1373 (2018). https://doi.org/10.1007/s10948-017-4323-y

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  • DOI: https://doi.org/10.1007/s10948-017-4323-y

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