Researchers report a field-tuned quantum phase transition in a disordered iron-based alloy family, TiFexCu2x−1Sb. Thermodynamic and transport measurements reveal a quantum critical point near 0.13 ...
A new study reveals that highly disordered indium oxide superconductors undergo a first-order quantum phase transition — a sudden shift from a superconducting to an insulating state. This finding is ...
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