Extended regime of metastable metallic and insulating phases in a two-orbital electronic system
We investigate the metal-to-insulator phase transition driven by the density-density electronic interaction in the quarter-filled model on a cubic lattice with two orbitals split by a crystal field. We show that a systematic consideration of the nonlocal collective electronic fluctuations strongly a...
Main Authors: | M. Vandelli, J. Kaufmann, V. Harkov, A. I. Lichtenstein, K. Held, E. A. Stepanov |
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Format: | Article |
Language: | English |
Published: |
American Physical Society
2023-04-01
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Series: | Physical Review Research |
Online Access: | http://doi.org/10.1103/PhysRevResearch.5.L022016 |
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