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Figure 2 | Nanoscale Research Letters

Figure 2

From: Gate-tuned Josephson effect on the surface of a topological insulator

Figure 2

Plot of critical supercurrent as a function of the potential strengths of NM region. ( a) Plot of critical supercurrent as a function of the potential strengths of NM region for different Fermi energies of the system. Solid line, dashed line, and dotted line correspond to the Fermi energy with E F /Δ(0) = 10, 102, and 103, respectively. In (b ) and (c ), critical supercurrent as a function of the potential strengths for different temperatures is plotted. The other parameters are shown in the figure.

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