Physicists Identify 'Octupolar' Magnetism, With Implications for Quantum Technologies
While most magnets have two poles (north and south, or positive and negative), recent advances in quantum mechanics have revealed an "octupolar order," writes Phys.org, where a pattern of particles in a crystalline structure "behaves as if it has eight magnetic poles rather than the familiar two." Now, a team led by quantum physicists at the University of Toronto has established a new method for…
Physicists have discovered an octupolar order in magnets, a pattern with eight magnetic poles instead of the usual two. This groundbreaking finding could revolutionize quantum technologies, including data storage and computing devices. The University of Toronto-led research team used light to observe quantum magnetic states, revealing new signatures of a hidden magnetic state that cannot be detected with conventional probes.
By applying a special type of rotating light to magnetic materials, the scientists were able to identify the optical fingerprint of this previously inaccessible form of magnetism. This discovery opens up new possibilities for developing controllable read-write memory elements, paving the way for advancements in everyday computing and other quantum technology applications.
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