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Rare quantum state reveals particles with quarter-electron charge

An electron's charge is normally fixed, like a coin you can't break into pieces. But if electrons are cooled close to absolute zero and trapped in a two-dimensional layer under a powerful magnetic field, they organize into a collective state of "quasiparticles" that seem to hold only a fraction of an electron's charge.

Rare quantum state reveals particles with quarter-electron charge

We haven't written up this one. Phys.org has the full story — the link below goes straight to it.

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