Abstract

Equal spin triplet pairs (ESTPs) of nuclei form the ground state of superfluid ${}^{3}$He. ESTPs of electrons have long been sought in superconducting systems. In layered transition metal dichalcogenides with 2$H$ structure, such as NbSe${}_{2}$, ESTP correlations have been predicted to arise from the interaction of the Ising spin-orbit field, which pins the internal spin axis of conventional singlet pairs out-of-plane, and an applied in-plane magnetic field. The tunneling spectroscopy study done here of bilayer NbSe${}_{2}$ shows experimental signatures of these ESTPs.

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