Signatures of fractional electronic charge observed in topological insulators

ScienceDaily
Jun 10, 2020, 10:27 am148 pts
Because electrons -- the subatomic particles that carry electricity -- are elementary particles and cannot be split, fractions of electronic charge are not normally encountered. Despite this, researchers have recently observed the signature of fractional charges ranging from e/4 to 2e/3 in exotic materials…

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