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The 2025 Nobel Prize in Physics has been awarded to Professors John Clarke, Michel H Devoret, and John M Martinis for their work on quantum tunneling.
They have been awarded the Nobel Prize "for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit", the Nobel committee said.
Their major achievement has been to take quantum tunnelling from microscoping to macroscopic level — large enough to be seen with naked eye.
Previously, tunnelling and energy quantisation had been studied in systems that had just a few particles but Clarke, Devoret, and Martinis conducted experiments with an electrical circuit in which they demonstrated both quantum mechanical tunnelling and quantised energy levels in a system big enough to be held in the hand, the Nobel committee said in a statement.
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They have been awarded the Nobel Prize "for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit", the Nobel committee said.
Their major achievement has been to take quantum tunnelling from microscoping to macroscopic level — large enough to be seen with naked eye.
Previously, tunnelling and energy quantisation had been studied in systems that had just a few particles but Clarke, Devoret, and Martinis conducted experiments with an electrical circuit in which they demonstrated both quantum mechanical tunnelling and quantised energy levels in a system big enough to be held in the hand, the Nobel committee said in a statement.
BREAKING NEWS
The Royal Swedish Academy of Sciences has decided to award the 2025 #NobelPrize in Physics to John Clarke, Michel H. Devoret and John M. Martinis “for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit.” pic.twitter.com/XkDUKWbHpz
— The Nobel Prize (@NobelPrize) October 7, 2025
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