Quantum batteries could produce a counterintuitive amount of charge
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A device connected to a quantum battery can gain more charge than the battery loses, if they are specially correlated. Understanding how this works could help us learn how to more efficiently power devices like quantum sensors and quantum computers.
“If [a battery and a device] have some information about each other, if they are correlated, then sometimes your device will be able to get more than the battery gives,” says Karen Hovhannisyan at the…
Article amended on 31 October 2024
We clarified that the batteries store energy
