3 share Nobel Prize in physics for their work on quantum science

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Secretary General of the Royal Swedish Academy of Sciences Hans Ellegren, centre, Eva Olsson, left and Thors Hans Hansson, members of the Nobel Committee for Physics announce the winner of the 2022 Nobel Prize in Physics, from left to right on the screen, Alain Aspect, John F. Clauser and Anton Zeilinger, during a press conference at the Royal Swedish Academy of Sciences, in Stockholm, Sweden, Tuesday, Oct. 4, 2022. (Jonas Ekstromer /TT News Agency via AP)

STOCKHOLM (AP) — Three scientists jointly won this year’s Nobel Prize in physics on Tuesday for their work on quantum information science that has significant applications, for example in the field of encryption.

Alain Aspect, John F. Clauser and Anton Zeilinger were cited by the Royal Swedish Academy of Sciences for discovering the way that particles known as photons can be linked, or “entangled,” with each other even when they are separated by large distances.

“Quantum information science is a vibrant and rapidly developing field,” said Eva Olsson, a member of the Nobel committee. “It has broad and potential implications in areas such as secure information transfer, quantum computing and sensing technology.”

“Its origin can be traced to that of quantum mechanics,” she said. “Its predictions have opened doors to another world, and it has also shaken the very foundations of how we interpret measurements.”

Speaking by phone to a news conference after the announcement, Zeilinger said he was “still kind of shocked” at hearing he had received the award.

“But it’s a very positive shock,” said Zeilinger, 77, who is based at the University of Vienna.

Clauser, Aspect and Zeilinger have figured in Nobel speculation for more than a decade. In 2010 they won the Wolf Prize in Israel, seen as a possible precursor to the Nobel.

While physicists often tackle problems that appear at first glance to be far removed from everyday concerns — tiny particles and the vast mysteries of space and time — their research provides the foundations for many practical applications of science.

Last year the prize was awarded to three scientists — Syukuro Manabe, Klaus Hasselmann and Giorgio Parisi — whose work has helped to explain and predict complex forces of nature, thereby expanding our understanding of climate change.

A week of Nobel Prize announcements kicked off Monday with Swedish scientist Svante Paabo receiving the award in medicine Monday for unlocking secrets of Neanderthal DNA that provided key insights into our immune system.

They continue with chemistry on Wednesday and literature on Thursday. The 2022 Nobel Peace Prize will be announced on Friday and the economics award on Oct. 10.

The prizes carry a cash award of 10 million Swedish kronor (nearly $900,000) and will be handed out on Dec. 10. The money comes from a bequest left by the prize’s creator, Swedish inventor Alfred Nobel, who died in 1895.

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