Abstract
The observation of flat energy bands in transition metal dichalcogenide bilayers such as twisted ${\mathrm{WSe}}_{2}$ makes those materials interesting prospects for reproducing the behavior observed in graphene-based systems. We use an effective Hubbard model providing a description of twisted ${\mathrm{WSe}}_{2}$ to explore the presence of superconductivity, which was previously reported in experiments. Using both the variational cluster approximation and cluster dynamical mean-field theory, we predict the existence of chiral superconductivity of type $d\ifmmode\pm\else\textpm\fi{}id$ that can be tuned by the twist angle and by the application of a perpendicular displacement field in both electron- and hole-doped systems.
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