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Magnetism and spin

Magnetism and spin

Quantum Barkhausen noise detected for the first time

19 Apr 2024 Isabelle Dumé
Christopher Simon holds a crystal of lithium holmium yttrium fluoride in his gloved hand
Listen up: Team member Christopher Simon holds a crystal of lithium holmium yttrium fluoride, a material that produces quantum Barkhausen noise. (Courtesy: Lance Hayashida/Caltech)
Researchers in the US and Canada have detected an effect known as quantum Barkhausen noise for the f

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Isabelle Dumé is a contributing editor to Physics World
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