Abstract
We present a model for the superconductivity in CuO2 planar systems based on the magnetic frustration mechanism introduced recently by Aharony et al.; our model incorporates explicitly the concentration dependence of the Cu++ spin-spin correlation function. We argue that the transport is via holes in the non-bonding in-plane oxygen orbitals. These two features lead tod-state pairing with, in the BCS approximation, a predictedT c vsx dependence which agrees well experiments on La2−xSrxCuO4.
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Birgeneau, R.J., Kastner, M.A. & Aharony, A. Magnetic frustration model for superconductivity in planar CuO2 systems. Z. Physik B - Condensed Matter 71, 57–62 (1988). https://doi.org/10.1007/BF01310844
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DOI: https://doi.org/10.1007/BF01310844