Finite Size Effects in Anisotropic u = ∞ Hubbard Ladder Rings

  • V. O. Cheranovskii
  • E. V. Ezerskaya
  • D. J. Klein
  • V. V. Tokarev
Original Paper
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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.

Keywords

Hubbard model Infinite electron repulsion Ground state spin Magnetic polaron 

Notes

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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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  • V. O. Cheranovskii
    • 1
  • E. V. Ezerskaya
    • 1
  • D. J. Klein
    • 2
  • V. V. Tokarev
    • 1
  1. 1.V.N. Karazin Kharkiv National UniversityKharkivUkraine
  2. 2.Texas A&M University at GalvestonGalvestonUSA

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