Renormalized quasiparticles, topological monopoles, and superconducting line nodes in heavy-fermion CeTX3 compounds

Non-centrosymmetric superconductors have recently attracted much attention,\nsince the lack of inversion symmetry mixes spin singlet and triplet pairing\nstates, which may allow the realization of topological superconductivity. In\nthis work, we study the electronic properties of the family of inversion-broken\nCeTX$_3$ heavy-fermion superconductors, finding topological nodal lines as well\nas Dirac and Weyl points, which are renormalized closer to the Fermi energy by\ncorrelations. We find that the Weyl nodal lines have a substantial effect on\nthe Fermi surface spin structure of the normal state, and lead to line nodes in\nthe superconducting phase.\n