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Nobel Physics Prize 2025 Awarded to Devoret, Clarke and Martinis for Macroscopic Quantum Effects

The committee cited experiments demonstrating macroscopic tunneling in electrical circuits, a foundation for next-generation quantum technologies.

Overview

  • French physicist Michel Devoret, British physicist John Clarke and American physicist John Martinis share the award for quantum-mechanics work that advances the hardware basis for future quantum computers.
  • The citation highlights the discovery of macroscopic quantum tunneling and the quantization of energy in an electrical circuit, demonstrated through landmark experiments dating to the 1980s.
  • Their results showed that quantum behavior can be realized in circuitry at a scale large enough to handle, opening paths toward quantum computing, cryptography and precision sensing.
  • This is the 119th Nobel Prize in Physics, carrying 11 million Swedish kronor to be shared among the laureates.
  • This year’s announcements continue this week with chemistry on Wednesday, literature on Thursday, the peace prize on Friday and the economics prize on Monday, October 13.