For most of us, quantum physics feels like something that belongs in the invisible world of atoms and photons. It’s the science of the very small, where particles can be in two places at once, or mysteriously linked across space. But scaling these phenomena up raises a pragmatic question: could they become too large (more or less) to hold in your hand and still exhibit a measurable quantum effect?
At TU Wien, researchers have shown that the answer is yes. Focusing on a crystal as small as a centimeter of a strange metal, they saw clear signs of quantum entanglement across not just single atoms but entire scales that an amorphous solid could describe.
In a paper published in Nature Physics, the authors present a tangible connection between commonly observed properties of materials and the fundamental quantum mechanics that underpin them.
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