The 2022 Nobel Prize in Physics was awarded to Alain Aspect, John F. Clauser and Anton Zeilinger , pioneers of quantum information.

The three, of French, American and Austrian nationality, received the award for having laid the foundations for the future of information and communications : their experiments on the phenomenon called "entanglement", a sort of remote embrace of particles, in fact paved the way for powerful and lightning-fast quantum computers, more precise measurements and hacker-proof encryption.

Their research has helped to refine crucial experiments to transform quantum physics from an abstract discipline into a concrete tool for applications in the fields of information, computation and communications.

Clauser, born on December 1, 2022 in Pasadena, works for a private company, the Californian JF Clauser & Assoc. by Walnut Creek. His most important experiment, in 1972, was the first step to prove the theory called Bell's inequality , that is, to verify in this way whether the real world obeys the inequality relations foreseen by Bell's theorem: it was the first step to demonstrate what was then considered an impossible action at a distance between the particles called, in fact, entanglement.

The Austrian Anton Zeilinger (77 years old), from the University of Vienna and born on 20 May 1945 in Ried im Innkreis, and the French Alain Aspect (75 years old), from the Université Paris-Saclay and the École, contributed to perfecting these experiments. Polytechnique of Paris was born on June 15, 1947 in Agen.

(Unioneonline / D)