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Researchers at the University of Toronto have successfully identified "octupolar" magnetism, a complex state featuring eight magnetic poles, using a novel light-based probing technique that overcomes limitations of traditional methods. This breakthrough establishes a critical pathway for harnessing multi-polar magnetism to develop next-generation data storage and controllable memory technologies. The discovery expands the fundamental understanding of quantum magnetic states beyond conventional north-south dipoles.
Quantum leap for data storage as Toronto team spots ‘octupolar’ magnetism
U of T physicists identified ‘octupolar’ magnetism, a more complex form of magnetism where a pattern of particles behaves as if it has eight magnetic poles, rather than the familiar two. This research, published in Physical Review Letters, establishes a new method for observing quantum magnetic states using light and is a critical first step toward harnessing multi-polar magnetism for technologies including next-generation data storage.
University of Toronto physicists have detected an unusual magnetic order defined by eight poles, challenging the conventional understanding of magnetism rooted in simple north and…
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