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Physicists at University College Cork have demonstrated a novel "quantum witness" technique designed to identify spinons within a candidate material for a quantum spin liquid state. This discovery advances the fundamental understanding of topological phases of matter, which is critical for developing stable qubits and scalable architectures for practical quantum computers. The research provides essential experimental validation needed before these materials can be integrated into functional quantum hardware.
Quantum witness technique reveals spinons in quantum spin liquid candidate

Physicists at University College Cork have developed a new approach in the search for a quantum spin liquid, a long-sought state of quantum matter resembling a magnetic liquid whose quantum properties mean it never freezes. The work is a key step in the search for quantum silicon, a mineral that could be used to create quantum computers, just as silicon is used in traditional computers. The resulting paper appears in Nature Physics.
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