Physicists have finally observed a quantum interaction between a group of four entangled electrons. Until now, this interaction was purely theoretical, but now it's been caught in action by cleverly cooling a superconducting crystal and stressing it under high pressure.
The results of this exciting experiment are now opening doors to further refining our knowledge of the bizarre quantum world, and they also may have potential for use in future technologies.
Unlike the usual pairing of two entangled electrons, researchers observed groups of four electrons sharing the same state, a complex arrangement that was only speculated to exist in a superconducting crystal.
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