The 2022 Nobel Prize in Physics recognized Anton Zeilinger for his pioneering experimental work involving entangled photons. His research proved the violation of Bell inequalities, providing a definitive foundation for the field of quantum information science. Through his career, he bridged the gap between fundamental quantum theory and the physical implementation of complex communication protocols.
Academic Foundation
Born in 1945 in Ried im Innkreis, Austria, Zeilinger completed his undergraduate studies in physics at the University of Vienna between 1963 and 1971. Under the supervision of Helmut Rauch, he earned his doctorate with a thesis focused on neutron depolarization measurements on a Dy-single crystal. By 1979, he qualified as a university lecturer at the Vienna University of Technology, marking the transition into his long career of teaching and research.
Twenty questions, eight minutes on the clock, and a percentile measured against everyone who has taken it. No sign-up.
Take the IQ test →Research and Professional Tenure
Zeilinger held numerous academic and research positions throughout his career. His tenure included time as a research assistant at the Vienna Atominstitut and as an associate researcher at the Massachusetts Institute of Technology between 1977 and 1978. He later served as a professor at TU Wien, the University of Innsbruck, and the University of Vienna. From 2013 to 2022, he served as the president of the Austrian Academy of Sciences, while also holding the position of professor emeritus at the University of Vienna.
Quantum Information and Teleportation
His research group achieved several milestones in quantum physics, including the first experimental realization of quantum teleportation of an independent qubit. In 1998, his team demonstrated entanglement swapping, which involves the teleportation of an entangled state. Furthermore, his work with Daniel Greenberger and Michael Horne in 1990 led to the GHZ theorem, which provided a mathematical contradiction between local realism and quantum mechanics, later verified through multi-particle entanglement experiments in 1999.
Applied Quantum Systems
Beyond fundamental theory, Zeilinger contributed to practical quantum applications such as cryptography and computation. In 1998, his group performed the first implementation of quantum cryptography using entangled photons. He also facilitated quantum communication tests over distances of 144 kilometers between the Canary Islands. His work extends to macroscopic quantum superposition, notably demonstrating quantum interference for large C60 and C70 fullerenes in 1999.
Fast facts
- Born: 1945, Ried im Innkreis, Austria
- Nobel Prize in Physics: 2022
- Doctorate: University of Vienna, 1971
- President of the Austrian Academy of Sciences: 2013-2022
- Notable work: GHZ theorem
- Languages: German, English
- Honorary citizen of Vienna: 2024
Questions readers ask
What is the significance of the GHZ theorem?
It provides a clear contradiction between local realism and the predictions of quantum mechanics, established through multi-particle entanglement.
What research did Zeilinger conduct with fullerenes?
In 1999, he demonstrated quantum interference for massive C60 and C70 molecules to extend quantum mechanics into the macroscopic domain.
Achievements
- Nobel Prize in Physics — 2022
- Pour le Mérite for Sciences and Arts order — 2000
- Wolf Prize in Physics — 2010
- Pour le Mérite
- Knight Commander's Cross of the Order of Merit of the Federal Republic of Germany — 2009
- Held posts at Austrian Academy of Sciences, Massachusetts Institute of Technology and TU Wien
- Educated at University of Vienna
- Fields of research: quantum physics
