Fig. 4: Calculated temperature dependence of the normalised superfluid density λ2(0)/λ2(T, H). | Nature Communications

Fig. 4: Calculated temperature dependence of the normalised superfluid density λ2(0)/λ2(T, H).

From: Observation of the non-linear Meissner effect

Fig. 4

a d-wave gap structure. b Gap structure is strongly anisotropic but with a small, finite gap. Both cases are in the clean limit and the finite field results have been shifted vertically so that they coincide with the H = 0 results at T/Tc = 0.2 for comparison with our experimental results. Unshifted results and details of the calculations are given in the SI. Note: \(1-{\lambda }_{0}^{2}/{\lambda }^{2}(T,H)\simeq 2{{\Delta }}\lambda (T,H)/{\lambda }_{0}\) for small Δλ(T, H).

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