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  • News
    Quantum times: when did the cuckoo sing?
    29.05.2020
    We are used to the fact that events are sharply localised in time. In a cuckoo clock, the cuckoo always calls at a precise time. Everybody looking at the clock would agree on this. However, a team of physicists led by Caslav Brukner from the University of Vienna and the Austrian Academy of Sciences showed that, when quantum mechanics and Einstein’s general relativity are combined, this might no longer be the case. When time “goes quantum” the temporal localisability of events becomes relative. In quantum times, the cuckoo can call at a precise time according to one observer, but some other observers might be totally uncertain about the time when it sings.
  • News
    New Cluster of Excellence for Foundational Questions in Quantum Science
    13.03.2023
    Austrian contributions to fundamental quantum science have been crucial to the Second Quantum Revolution, where the control of quantum systems is applied for the development of quantum technologies. B
  • News
    IQOQI’s Highly Cited Researchers 2022
    23.11.2022
    Of the world’s population of scientists, Highly Cited Researchers™ are 1 in 1,000, and according to this year’s ranking by Clarivate Analytics, 27 scientists working at or affiliated with the Austrian
  • News
    The Nobel Week 2022
    05.12.2022
    This year's Nobel Prize in Physics goes to Alain Aspect, John F. Clauser and Anton Zeilinger “for experiments with entangled photons, establishing the violation of Bell inequalities and pioneering qua
  • News
    Nobel Prize in Physics 2022
    09.12.2022
    This year’s Nobel Prize in Physics was awarded to Alain Aspect of the University of Paris-Saclay, John F. Clauser of J. F. Clauser & Associates, and Anton Zeilinger of the University of Vienna and the
  • News
    Anton Zeilinger receives award for services to the Republic of Austria
    21.12.2022
    Ten days after he received the Nobel Prize in Physics in Stockholm, Anton Zeilinger was honored one more time: Federal President Alexander Van der Bellen presented him with an award for his services t
  • News
    Open Quantum Problems
    16.01.2023
    Those are not your problems only: they are our problems, too. Share them with the community and help quantum information science grow! Since 2017, the Institute for Quantum Optics and Quantum Informat
  • News
    The role of entanglement in a relational quantum world
    19.01.2023
    In a new publication in ` Physical Review Letters ’, researchers at IQOQI Vienna tackle the question of what makes a good quantum reference frame. That is, what properties of a reference system allow
  • News
    THE UNIVERSITY OF INNSBRUCK AWARDS HONORARY DOCTORATE TO ANTON ZEILINGER
    23.01.2023
    On January 19, 2023, nobel laureate Anton Zeilinger was awarded an honorary doctorate of the University of Innsbruck for his outstanding scientific achievements. From 1990 to 1999, Zeilinger was a uni
  • News
    HOW TO REVERSE UNKNOWN QUANTUM PROCESSES
    07.02.2023
    In quantum mechanics, the unitary nature of time evolution makes it intrinsically reversible, given control over the system in question. Remarkably, there have been several recent demonstrations of pr