A multipolar k·p theory for C3v crystals reveals band-dependent total-angular-momentum textures with vorticities |W_n|=1,2,5 that produce nonmonotonic current-induced spin polarization responses.
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Kohn-Luttinger pairing on Weyl Fermi arcs in PtBi2 yields a robust i-wave superconducting instability with an intra-arc node matching experiment.
Anisotropic electron-phonon coupling plus screened Coulomb repulsion on Weyl-semimetal Fermi arcs yields the observed nodal i-wave superconducting gap when the surface bandwidth matches the phonon energy scale.
Spin-ARPES on PtBi2 shows spin-polarized singly degenerate Fermi-arc surface states with termination-dependent dispersion, supporting its candidacy for topological superconductivity.
citing papers explorer
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Beyond spin-1/2: Multipolar spin-orbit coupling in noncentrosymmetric crystals with time-reversal symmetry
A multipolar k·p theory for C3v crystals reveals band-dependent total-angular-momentum textures with vorticities |W_n|=1,2,5 that produce nonmonotonic current-induced spin polarization responses.
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Kohn-Luttinger Superconductivity of Weyl Fermi Arcs in PtBi$_2$
Kohn-Luttinger pairing on Weyl Fermi arcs in PtBi2 yields a robust i-wave superconducting instability with an intra-arc node matching experiment.
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Mechanism for Nodal Topological Superconductivity on PtBi$_2$ Surface
Anisotropic electron-phonon coupling plus screened Coulomb repulsion on Weyl-semimetal Fermi arcs yields the observed nodal i-wave superconducting gap when the surface bandwidth matches the phonon energy scale.
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Fermiology and spin polarization of topological surface states in PtBi$_2$
Spin-ARPES on PtBi2 shows spin-polarized singly degenerate Fermi-arc surface states with termination-dependent dispersion, supporting its candidacy for topological superconductivity.