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Saturday, December 10, 2022

Nobel Prize in Physics 2022: Three scientists recognized for their experiments with entangled photons and their advances in quantum information

Nobel Prize in Physics 2022: Three scientists recognized for their experiments with entangled photons and their advances in quantum information

Nobel Prize in Physics it was for French scientist Alain Aspect; John F. Clauser from the United States; and Anton Zeilinger, from Austria, the Royal Swedish Academy of Sciences announced Tuesday. All three were recognized for their Experiments with entangled photons and His contribution to the development of new technologies based on quantum information.

“This award is an encouragement to young people: this award would not have been possible without the more than 100 young people who have worked with me over the years,” Zillinger said during the press conference after his name.

“It became increasingly clear that a new type of quantum technology was emerging. We can see that the work of the award winners with entangled states is very important, beyond fundamental questions about the interpretation of quantum mechanics,” Anders Erbach, chairman of the Nobel Committee for the announcement of the winning trio, said.

The choice of the winning topic comes at a time when the ineffective effects of quantum mechanics are beginning to find applications. In fact, there is now a vast area of ​​research, including quantum computers, quantum networks and secure quantum encrypted communications, the Swedish academy said in a statement.

A major factor in this development is how quantum mechanics allows two or more particles to exist called interconnected state, What happens to one of the entangled pairs of particles determines what happens to the other particle, even if they are far apart. For a long time, the question was whether the correlation was due to particles in entangled pairs containing hidden variables.

In his investigation, Clauser deepened the ideas of John Bell, who developed a mathematical inequality, which led to a practical experiment. When he measured Scientist confirms that quantum mechanics cannot be replaced by a theory that uses hidden variables, Aspect, meanwhile, was able to change metering settings after an interlaced pair had left its source, so the settings could not affect the result when they were transmitted.

With these instruments and a long series of experiments, Zeilinger began to use entangled quantum states. Among other things, his research group demonstrated a phenomenon called quantum teleportation, which makes it possible to move a quantum state from one particle to another over some distance.

Aspect was born in 1947 in Aigen, France; He is a professor at the University of Paris-Saclay and the Palaiso Polytechnic School. Clauser, for his part, was born in 1942 in Pasadena, United States, and is a research physicist. and Zeilinger, who was born in 1945 in Ried im Inkreis, Austria, is a professor at the University of Vienna.

Last year, scientists Soukuro Manabe, Klaus Hasselmann and Giorgio Paris were awarded the prize for their contributions to understanding complex systems applied to the study of climate.

The Nobel Prize consists of 10 million Swedish kronor (about $900,000) in cash and is awarded at a gala on 10 December. The money comes from a fund left by the prize’s creator, Swedish inventor Alfred Nobel, who died in 1985.

Yesterday, the first day of distribution of these awards, was Swedish scientist Svante Pabo 67 years who won the award medicine nobel prize For his discoveries about human evolution that uncovered the mysteries of Neanderthal DNA, which helped to understand what makes humans unique and provided new insights into our immune systems, including our vulnerability to severe COVID-19.

Svante Pabo Devoted His Research To The Dna Of Neanderthals In Recent Decades
Svante Pabo devoted his research to the DNA of Neanderthals in recent decadesGetty Images

“Through his pioneering research, Pabo Achieves Something That Seems Impossible: Sequencing the Neanderthal Genomeextinct relatives of modern humans,” the Nobel committee said in announcing its decision.

Tomorrow will be the turn of the Nobel Prize in Chemistry, one for Literature on Thursday, one for Peace on Friday and finally, one for Economics, most recently for creation, closing the 2022 prize season. next Monday.

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