From Theory to Reality: Scientists Unveil Quadruple-Q Hedgehog Lattices

Researchers have unveiled the dynamical nature of emergent magnetic monopoles in real magnets for the first time.
Magnetic monopoles are elementary particles with isolated magnetic charges in three dimensions. In other words, they behave as isolated north or south poles of a magnet. Magnetic monopoles have attracted continuous research interest since physicist Paul Dirac’s first proposal in 1931.

However, real magnetic monopoles have not yet been observed and their existence remains an open question. On the other hand, scientists have discovered quasi-particles that mathematically behave as magnetic monopoles in condensed matter systems, resulting in interesting phenomena.