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On the Phase Diagram of the 1D Hubbard Model

  • ELECTRONIC PROPERTIES OF SOLID
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Abstract

The conditions for the emergence of inhomogeneous states are investigated from analysis of the equation of state. It is assumed that Hubbard energy U > t, i.e., corresponds to the conditions of strong electron–electron correlations. The magnetic phase diagram is obtained in a wide range of electron concentrations corresponding to the lower Hubbard band.

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Notes

  1. The corresponding integrals are reduced to elliptical integral [8]; however, the expressions obtained in this way are quite cumbersome [9].

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Authors and Affiliations

  1. Moscow Institute of Physics and Technology, 141701, Dolgoprudny, Moscow oblast, Russia

    R. O. Zaitsev

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  1. R. O. Zaitsev
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Correspondence to R. O. Zaitsev.

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Translated by N. Wadhwa

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Zaitsev, R.O. On the Phase Diagram of the 1D Hubbard Model. J. Exp. Theor. Phys. 129, 1079–1085 (2019). https://doi.org/10.1134/S1063776119110190

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  • DOI: https://doi.org/10.1134/S1063776119110190

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