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Possible high temperature odd parity superconductivity in LaNi$_{7/8}$Co$_{1/8}$O$_3$ (111) bilayers

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Published Article
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Submission Date
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DOI: 10.1103/PhysRevB.89.201111
Source
arXiv
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Abstract

Using the functional renormalization group technique we demonstrate a route for potentially high-temperature odd-parity superconductivity in ferromagnetic materials caused by repulsive electron interactions, where the superconducting pairing is driven by charge-density wave fluctuations. Our model is directly applicable to a lightly cobalt-doped LaNiO$_3$ bilayer grown in the (111) direction. As the on-site repulsive interaction grows, a charge-density wave state with a charge pattern that respects all point-group symmetries of the bilayer is replaced by a superconducting state with an f-wave pairing.

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