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The Effect of Repulsion on Superconductivity at Low Density

arxiv.org
 2021-12-07

We examine the effect of repulsion on superconductivity in a three-dimensional system with a Bardeen-Pines-like interaction in the low-density limit, where the chemical potential $\mu$ is much smaller than the phonon frequency $\omega_L$. We parameterize the strength of the repulsion by a...

arxiv.org

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