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Nanocontacts

The importance of being entangled

A renormalization group study of electric transport in nanocontacts reveals the importance of quantum correlations for achieving a startling ferromagnetic Kondo effect.

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Figure 1: Schematic view of a measurement setup to determine the conductance of a gold–nickel–gold nanocontact subjected to a d.c. voltage V.

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Ortiz, G. The importance of being entangled. Nature Mater 8, 541–542 (2009). https://doi.org/10.1038/nmat2481

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