Higgs transition of north and south poles of electrons in a magnet

Minimal evidence of a Higgs transition 1 of north and south poles of electron spins was observed in a magnet Yb2Ti2O7 at the absolute temperature 2 0.21 K. A fractionalization of these monopoles from electron spins was observed on cooling to 0.3 K. On further cooling below 0.21 K, the material showed the ferromagnetism to be understood as a superconductivity of monopoles. The work is reported in an online science journal Nature Communications on August 7, by an international collaboration team.

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