 | | John Clarke, Michel H. Devoret, and John M. Martinis. University of California, Berkeley; Yale University; Rocco Cesellin, Nature | John Clarke (University of California, Berkeley), Michel H. Devoret (Yale University and University of California, Santa Barbara), and John M. Martinis (University of California, Santa Barbara) are to be awarded the 2025 Nobel Prize in Physics "for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit," the Royal Swedish Academy of Sciences announced on Tuesday. Through experiments performed at UC Berkeley in 1984 and 1985, the laureates documented both quantum tunneling and quantized energy levels in a superconducting electrical system that contained billions of Cooper pairs of electrons—extending the realm of quantum phenomena to a scale at which they can be harnessed and put to work. Selected articles in Physics Today Other resources - Quantum Josephson junction circuits and the dawn of artificial atoms, by Clarke, Devoret, and Martinis (Nature Physics, March 2020)
- Experimental tests for the quantum behavior of a macroscopic degree of freedom: The phase difference across a Josephson junction, by Martinis, Devoret, and Clarke (Physical Review B, April 1987)
- Energy-level quantization in the zero-voltage state of a current-biased Josephson junction, by Martinis, Devoret, and Clarke (Physical Review Letters, October 1985)
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