aiqbench takeQuantum Computing

This study confirms that macroscopic crystals of strange metals exhibit collective quantum entanglement, bridging solid-state physics and quantum information theory through the application of quantum Fisher information. The findings demonstrate that heightened sensitivity to external changes in these materials is a direct consequence of strong entanglement among their constituents rather than individual particle interactions. This breakthrough establishes a new method for quantifying quantum effects in large-scale systems, advancing our understanding of high-temperature superconductors and many-body physics.

Sources coveringQuantum Zeitgeist, Quantum Computing Report

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TU Wien researchers find entanglement in 1cm ‘strange metal’ crystal

Quantum ZeitgeistSeptember 15, 20264 min read

At TU Wien, a high degree of quantum entanglement has been detected for the first time in a centimetre-sized crystal of a strange metal. This was made possible by a clearly defined method from quantum information theory, the quantum Fisher information, establishing a new bridge between solid-state physics and quantum physics.

Researchers at TU Wien have, for the first time, detected a high degree of quantum entanglement within a centimetre-sized crystal of a strange metal. The team evidenced this effect using the quantum Fisher information, establishing a new method to quantify quantum entanglement directly within a macroscopic material. “Our approach is different,” says Prof. Silke Bühler-Paschen from the Institute of Solid State Physics at TU Wien,…

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