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Hybrid superconducting devices

Bound in a nanotube

Carbon nanotubes are not superconductors but they can carry a supercurrent injected from a superconducting contact. Analysis of the tunnelling spectra of a nanotube connecting two superconductors reveals details of the bound electron–hole states that carry such a supercurrent.

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Figure 1: Controlling the energy of the Andreev bound state within a carbon nanotube joining a superconducting loop.

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Belzig, W. Bound in a nanotube. Nature Phys 6, 940–941 (2010). https://doi.org/10.1038/nphys1855

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