Line Plot from Scientific Research

Time-averaged voltage V as a function of perpendicular magnetic field μ 0 H ⊥ for the I -biased SQUID, taken at T = 2 K. From the periodic \(V(\mu _0H_ \bot ,\;I \ge I_\mathrm{c}^{\mathrm{tot}})\) modulation in d – f , we find a characteristic period of μ 0 H osc = 0.16‒0.24 mT (Extended Data Fig. 3 ).

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