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. 2015 Nov 9;6:8863. doi: 10.1038/ncomms9863

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The magnetic penetration depth λ(0) and λ⁻²(0) (a), the zero-temperature gap values Δ_1,2(0) (b) as well as the relative weight ω₂ of the small gap to the superfluid density (c) are plotted for Ba_0.65Rb_0.35Fe₂As₂ as a function of pressure. The error bars represent the s.d. of the fit parameters. The dashed lines are guides to the eyes and the solid lines represent linear fits to the data.