Turin, 7 October (LaPresse) – The 2025 Nobel Prize in Physics has been awarded to John Clarke, Michel H. Devoret and John M. Martinis “for the discovery of macroscopic quantum tunnelling and energy quantisation in an electrical circuit”. According to the award citation, the winners ‘used a series of experiments to demonstrate that the bizarre properties of the quantum world can become concrete in a system large enough to be held in the hand.’ “Their superconducting electrical system could switch from one state to another via tunnelling, as if passing through a wall. They also showed that the system absorbed and emitted energy in specific doses, just as predicted by quantum mechanics”. The award will be presented to them at a ceremony on 10 December.
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