The Nobel Prize in Physics 2025 was awarded jointly to John Clarke (University of California, Berkeley), Michel H. Devoret (Yale University) and John M. Martinis (University of California, Santa Barbara) 'for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit'. In 1984–85, the three laureates conducted experiments with a superconducting electrical circuit held in the hand, demonstrating that quantum mechanical effects could manifest at the macroscopic scale. Their foundational work proved critical to the development of quantum computers — devices with the potential to solve computational problems impossible for today's classical computers. The announcement came on October 7, 2025, just a day before the IMC 2025 inauguration where quantum communications was a central theme.
Nobel Prize in Physics 2025: John Clarke, Michel Devoret and John Martinis Awarded for Quantum Tunnelling Discovery
The Nobel Prize in Physics 2025 was awarded jointly to John Clarke (University of California, Berkeley), Michel H. Devoret (Yale University) and John M. Martinis (University of California, Santa Barbara) 'for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit'. In 1984–85, the three laureates conducted experiments with a superconducting electrical circuit held in the hand, demonstrating that quantum mechanical effects could manifest at the macroscopic scale. Their foundational work proved critical to the development of quantum computers — devices with the potential to solve computational problems impossible for today's classical computers. The announcement came on October 7, 2025, just a day before the IMC 2025 inauguration where quantum communications was a central theme.
Key facts
- Nobel Prize in Physics 2025 was jointly awarded to Clarke, Devoret, and Martinis on October 7.
- The prize recognises discovery of macroscopic quantum tunnelling in superconducting circuits.
- In 1984-85, experiments showed quantum effects can manifest at the macroscopic scale.
- Their foundational work proved critical for development of modern quantum computers.
- Quantum computers can solve computational problems impossible for classical computers.
- The announcement coincided with IMC 2025 where quantum communications was a central theme.
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In which years did Clarke, Devoret and Martinis conduct the superconducting circuit experiments recognised by the 2025 Physics Nobel?
The article states that in 1984-85, the three laureates conducted experiments with a superconducting electrical circuit held in hand.
Source: NobelPrize.org / Royal Society / Yale News
Frequently asked questions
Who were awarded the Nobel Prize in Physics 2025 and for what discovery?
John Clarke (UC Berkeley), Michel H. Devoret (Yale University), and John M. Martinis (UC Santa Barbara) were jointly awarded the Nobel Prize in Physics 2025 for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit.
What is macroscopic quantum tunnelling and why is it significant?
Macroscopic quantum tunnelling is the phenomenon where quantum mechanical effects — typically observed only at the subatomic scale — manifest in objects large enough to be seen or held. The 1984–85 experiments by the laureates demonstrated this in superconducting circuits, revolutionising the understanding of quantum mechanics.
How did the 2025 Nobel laureates' work contribute to quantum computing?
Their experiments with superconducting circuits proved that quantum effects can be harnessed at a macroscopic scale, laying the foundational principles for building quantum computers — machines that can solve computational problems impossible for classical computers.
When was the Nobel Prize in Physics 2025 announced?
The Nobel Prize in Physics 2025 was announced on October 7, coinciding with the India Mobile Congress (IMC) 2025, where quantum communications was a central theme.
Why is the Nobel Prize in Physics 2025 relevant for RPSC RAS exam?
It is relevant under Science and Technology topics — particularly quantum computing, national technology policy (IndiaAI, quantum missions), and current international awards. RAS aspirants should know the names of laureates, the discovery, and its applications.
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