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- Title
Effect of Crystal Field on the Electronic Structure of the Two-Band Hubbard Model with Spin Crossover.
- Authors
Orlov, Yu. S.; Nikolaev, S. V.; Dudnikov, V. A.
- Abstract
We consider the change in the electronic structure of the two-band Hubbard model in the regime of strong electron correlations with spin crossover upon the passage through the crossover point depending on the crystal field growth. An abrupt semimetal–insulator–semimetal transition is detected during the passage through the spin crossover point in the absence of the spin–orbit interaction, which is accompanied by a jumpwise redistribution of the partial spectral weight between the poles of the Green function of Fermi quasiparticles. The role of the spin–orbit interaction and the change in the surface topology of surface of one-particle Green function zeros are considered.
- Publication
Journal of Experimental & Theoretical Physics, 2020, Vol 130, Issue 5, p699
- ISSN
1063-7761
- Publication type
Article
- DOI
10.1134/S106377612004007X