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Physics Nobel awarded to three scientists for work on quantum computing

The announcement was made by the Royal Swedish Academy of Sciences in Stockholm.

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The Nobel Prize in Physics has been awarded to John Clarke, Michel H. Devoret and John M. Martinis for their work on quantum mechanics that is paving the way for a new generation of very powerful computers.

"There is no advanced technology used today that does not rely on quantum mechanics, including mobile phones, cameras... and fibre optic cables," said the Nobel committee.

The announcement was made by the Royal Swedish Academy of Sciences at a news conference in Stockholm, Sweden.

"To put it mildly, it was a surprise of my life," said Professor John Clarke, who was born in Cambridge, UK and now works at the University of California in Berkeley.

Michel H. Devoret was born in Paris, France and is a professor at Yale University while John M. Martinis is a professor at University of California, Santa Barbara.

The three winners will share prize money of 11 million Swedish kronor (£872,000).

The Nobel committee recognized breakthrough work performed by the three men in a series of experiments in the 1980s on electrical circuits.

 

Getty Images Olle Eriksson, Chair of the Nobel Committee for Physics, Hans Ellegren, Secretary General of The Royal Swedish Academy of Sciences, and Goeran Johansson, Member of the Nobel Committe for Physics, address a press conference to announce the winners of the 2025 Nobel Prize in Physics at the Royal Swedish Academy of Sciences in Stockholm, Sweden,
Getty Images

 

In the words of the committee, "the discovery of macroscopic quantum mechanical tunnelling and energy quantization in an electric circuit".

Even for a field often considered dense, this discovery sounds bewildering.

But its implications have been profound and far-reaching. The electronic devices that most of use rely on their work, and it is being used to build extremely powerful computers.

"This is something that leads to development of the quantum computer. Many people are working on quantum computing, our discovery is in many ways the basis of this," said Prof Clarke on the phone to the news conference moments after he was told he had won the prestigious prize.

Quantum mechanics related to the behavior of tiny things in a tiny world. It refers to what particles like the electron do in the sub-atomic world.

Professor Clarke and his team looked at how these particles appeared to break rules like travelling through energy barriers that conventional physics said was impossible - something called "tunnelling".

Their work demonstrated that tunnelling can happen not only in a more theoretical world, but also in electrical circuits in the 'real world'.

This knowledge has been harnessed by scientists in making modern quantum chips.

"This is wonderful news indeed, and very well deserved," said Professor Lesley Cohen, Associate Provost in the Department of Physics at Imperial College London.

“Their work has laid the foundations for superconducting Qubits - one of the main hardware technologies for quantum technologies.”

Source: BBC News:

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