# Confirming altermagnetism: A geometric twist offers experimental proof

- Source: Phys.org - latest science and technology news stories
- Published: 2026-10-30T12:20:01+00:00
- Category: Science
- Original: https://phys.org/news/2026-10-altermagnetism-geometric-experimental-proof.html
- Canonical: https://groundlevelnews.com/story/confirming-altermagnetism-a-geometric-twist-offers-experimental-proof-3177e2/

For decades, physicists recognized only two types of magnetism that occur in materials without external influence: ferromagnetism and antiferromagnetism. In findings published in Science, a team led by the U.S. Department of Energy's SLAC National Accelerator Laboratory has delivered conclusive experimental proof of a third magnetic phase called altermagnetism.

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