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A. J. Millis

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Preprint Aug 2026

Probing Impurity Quantum Criticality with Entanglement Witnesses

Entanglement is a defining feature of quantum mechanics, and its relation to quantum criticality is of considerable current interest. Here we show that measurable spin and charge fluctuations provide an entanglement witness of quantum criticality in the two-impurity Kondo model, which has experimental realizations in t...

M. Wuttig, Andrew J. Millis · 0 citations

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