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. 2016 Dec 7;2(12):e1601835. doi: 10.1126/sciadv.1601835

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Copyright © 2016, The Authors

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.

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Fig. 3 — Plots of the zero-energy (E = 0) surface Majorana arc states in surface momentum space for chiral J = 1 superconductors with C₆ symmetry (A) and C₃ symmetry (B to D) and gap functions 13 and 16, respectively. (A), (C), and (D) show the Majorana arc states of a surface boundary in the xz plane (that is, semi-infinite superconductor at y > 0), whereas (B) shows the Majorana arc states of surface boundary in the xy plane (superconductor z > 0). As all panels show, the surface Majorana arcs connect the projections of the bulk Majorana nodes. The dashed circle shows the radius of the Fermi surface projection. In (A), the straight dashed blue line denotes the Fermi arcs of superfluid ³He-A for comparison. The parameters used are given by λ_aΔ₀/μ = 0.013, λ_bΔ₀/μ = 0.01, and λ_cΔ₀/μ = 0.004, 0.009 in (B), (C), and (D), respectively.