Stockholm: U.S.-based scientists John Clarke, Michel Devoret and John Martinis won the 2025 Nobel Prize in Physics for “experiments that revealed quantum physics in action”, the award-giving body said on Tuesday.
“This year’s Nobel Prize in Physics has provided opportunities for developing the next generation of quantum technology, including quantum cryptography, quantum computers, and quantum sensors,” the prize-awarding body said in a statement.
The laureates carried out 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 Royal Swedish Academy of Sciences said in a statement.
“My feelings are that I’m completely stunned. Of course it had never occurred to me in any way that this might be the basis of a Nobel Prize,” Clarke told the Nobel press conference by telephone.
British-born Clarke is a professor at the University of California, Berkeley, in the United States.
Devoret, born in France, is a professor at Yale University and the University of California, Santa Barbara, also in the United States, where Martinis is also a professor.
The Nobel physics prize is awarded by the Royal Swedish Academy of Sciences and includes a prize sum totalling 11 million Swedish crowns ($1.2 million) that is shared among the winners if there are several, as is often the case.
The Nobel Prizes were established through the will of Alfred Nobel, who amassed a fortune from his invention of dynamite. Since 1901, with occasional interruptions, the prizes have annually recognised achievements in science, literature, and peace. Economics was a later addition.
Physics was the first category mentioned in Nobel’s will, likely reflecting the prominence of the field during his time. Today, the Nobel Prize in Physics remains widely regarded as the most prestigious award in the discipline.
Past winners of the Nobel physics prize include some of the most influential figures in the history of science, such as Albert Einstein, Pierre and Marie Curie, Max Planck and Niels Bohr, a pioneer of quantum theory.
Last year’s prize was won by U.S. scientist John Hopfield and British-Canadian Geoffrey Hinton for breakthroughs in machine learning that spurred the artificial intelligence boom, a development about which both have also expressed concerns.
In keeping with tradition, physics is the second Nobel to be awarded this week, after two American and one Japanese scientist won the medicine prize for breakthroughs in understanding the immune system. The chemistry prize is due next, on Wednesday.
The science, literature and economics prizes are presented to the laureates by the Swedish king at a ceremony in Stockholm on December 10, the anniversary of Alfred Nobel’s death, followed by a lavish banquet at city hall.
The peace prize, which will be announced on Friday, is awarded in a separate ceremony in Oslo.
($1 = 9.3898 Swedish crowns)
(Reporting by Niklas Pollard, Simon Johnson and Johan Ahlander in Stockholm; additional reporting by Marie Mannes and Greta Rosen Fondahn in Stockholm, and Terje Solsvik in Oslo; editing by Alex Richardson)
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