Wed, Oct 08, 2025 page1

• Trio win physics Nobel for quantum mechanics work

  • AFP, STOCKHOLM
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  Briton John Clarke, Frenchman Michel Devoret and American John Martinis yesterday won the Nobel Prize in Physics for work on quantum physics in action, the Nobel jury said.

  The trio was honored “for the discovery of macroscopic quantum mechanical tunneling and energy quantization in an electric circuit,” the jury said.

  Quantum mechanics describes how differently things work on incredibly small scales. For example, when a normal ball hits a wall, it bounces back, but on the quantum scale, a particle will actually pass straight through a comparable wall — a phenomenon called “tunneling.”

  

  From left, the Nobel Prize in Physics recipients John Clarke, Michel Devoret and John M. Martinis are announced during a press conference at the Royal Swedish Academy of Sciences in Stockholm yesterday.

  Photo: EPA

  The prize was awarded for experiments in the 1980s which showed that quantum tunneling can also be observed on a macroscopic scale — involving multiple particles — by using superconductors.

  In a series of experiments, the researchers demonstrated that “the bizarre properties of the quantum world can be made concrete in a system big enough to be held in the hand,” the Royal Swedish Academy of Sciences said in a statement.

  “This prize is awarding an experiment that brings the scale up to the macroscopic scale, scales that we can understand and measure through human standards,” said Ulf Danielsson, secretary of the Nobel Committee for Physics and a professor of theoretical physics at Uppsala University.

  The discoveries had “provided opportunities for developing the next generation of quantum technology, including quantum cryptography, quantum computers and quantum sensors,” the jury said.

  “It is wonderful to be able to celebrate the way that century-old quantum mechanics continually offers new surprises,” Olle Eriksson, chair of the Nobel Committee for Physics, said in a statement. “It is also enormously useful, as quantum mechanics is the foundation of all digital technology.”

  Clarke, 83, is a professor at the University of California, Berkeley.

  Devoret, 72, is a professor at University of California, Santa Barbara, and is listed as a professor emeritus at Yale University.

  Martinis, born 1958, is also a professor at the University of California, Santa Barbara.

  “To put it mildly, it was the surprise of my life,” Clarke told reporters via telephone during the prize announcement, about learning of his award.

  “It never occurred to me in any way that this might be the basis of a Nobel prize,” he added.

  Clarke said that the scientists had been focused on the physics of their experiments and had not realized at the time the practical applications that could follow.

  “It certainly had not occurred to us in any way that this discovery would have such a significant impact,” he said.

  Asked how their discoveries had affected everyday life, Clarke noted that he was speaking to the audience via his mobile phone.

  “One of the underlying reasons that the cellphone works is because of all this work,” Clarke said.

  Martinis’ wife, Jean, told Associated Press reporters who called at his home about two-and-a-half hours after the announcement that he was still asleep and did not yet know.

  She said in the past they had stayed up on the night of the physics award, but at some point they decided that sleep was more important.

  “He doesn’t like surprises,” she said.

  Devoret could not immediately be contacted.

  Additional reporting by AP
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