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Assuming linearized dispersions in the vicinity of the Fermi level, A=2π kF ΔE/vF, where kF and vF are the average Fermi vector and velocity of the sheet concerned and is Planck's constant. Our maximum doping corresponds to 0.03 electrons per Ru. De Haas van Alphen (Ref.) and photoemission (Ref.) studies show a number of closed pockets with { kF } and { vF } = (0.24,0.36,0.18,0.07,0.09) Å-1 and (4.0,4.0,2.6,1.3,1.3) ms-1, respectively. Taking into account corresponding "pocket degeneracies" (i.e., the number of repeats in the Brillouin zone) of (1, 1, 4, 2, 2) (Ref.), applying the procedure outlined in the text, gives ΔE 1.2 meV for y=0.06.
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Assuming linearized dispersions in the vicinity of the Fermi level, A=2π kF ΔE/vF, where kF and vF are the average Fermi vector and velocity of the sheet concerned and is Planck's constant. Our maximum doping corresponds to 0.03 electrons per Ru. De Haas van Alphen (Ref.) and photoemission (Ref.) studies show a number of closed pockets with { kF } and { vF } = (0.24,0.36,0.18,0.07,0.09) Å-1 and (4.0,4.0,2.6,1.3,1.3) ms-1, respectively. Taking into account corresponding "pocket degeneracies" (i.e., the number of repeats in the Brillouin zone) of (1, 1, 4, 2, 2) (Ref.), applying the procedure outlined in the text, gives ΔE 1.2 meV for y=0.06.
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