Technology
By exerting unprecedented control over extremely cold atoms, researchers have put them in a state with several simultaneously quantum-entangled properties
Some of the lab equipment needed to trap laser-cooled atoms
Endres Lab
Extremely cold atoms have been connected into a state of quantum “hyperentanglement” for the first time. This demonstrates a new level of control over their quantum properties, which could prove useful for quantum computing.
When cooled to temperatures very close to absolute zero – the lowest possible temperature – atoms don’t fully freeze in place, because quantum effects that don’t exist at warmer temperatures enable them to keep making tiny motions. A research team at the California Institute of Technology has now used laser light to take control of those motions in an unprecedented…
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