Aspects of the normal-state phase of copper oxide planes in high-Tc superconductors
B. C. den Hertog, M. P. Das
DOI 10.1103/PhysRevB.54.6693 · Physical Review B
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Abstract
We examine various aspects of the normal-state phase of CuO2 planes in the high-Tc superconductors. In particular, within the context of the three band Hubbard model, we study as a function of doping the competition between a charge density wave phase induced by oxygen breathing modes, antiferromagnetic order, and paramagnetism. To account for the strong electronic interactions, we use the finite U slave boson method of Kotliar and Ruckenstein.
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