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  • News
    Article "Logical independence and quantum randomness" featured as a highlight in Europhysics News
    26.05.2010
    T Paterek, J Kofler, R Prevedel, P Klimek, M Aspelmeyer, A Zeilinger and C Brukner Logical independence and quantum randomness Europhysik News Vol. 41 No. 2 (March-April 2010) Abstract: We propose a link between logical independence and quantum physics. We demonstrate that quantum systems in the eigenstates of Pauli group operators are capable of encoding mathematical axioms and show that Pauli group quantum measurements are capable of revealing whether or not a given ...
  • News
    Best of NJP 2010: "Logical independence and quantum randomness"
    04.04.2011
    "Logical independence and quantum randomness" by T. Paterek, J. Kofler, R. Prevedel, P. Klimek, M. Aspelmeyer, A. Zeilinger and C. Brukner New J. Phys. 12, 013019, doi: 10.1088/1367-2630/12/1/013019 Abstract : We propose a link between logical independence and quantum physics. We demonstrate that quantum systems in the eigenstates of Pauli group operators are capable of encoding mathematical axioms and show that Pauli group quantum measurements are capable of revealing ...
  • Event
    Interplay of quantum information, foundations and gravity
    28.05.2018
    specific goal is to facilitate interdisciplinary collaborations on addressing some of the deepest problems in physics by helping to bridge the gap in communication. Speakers: Philippe Allard Guerin (IQOQI Vienna) Alessio Belenchia (IQOQI Vienna) Caslav Brukner (IQOQI Vienna) Esteban Castro Ruiz (IQOQI Vienna) Goffredo Chirco (Albert Einstein Institut, Potsdam) Will Donnelly (Perimeter Institute) Jens Eisert (FU Berlin) Rodolfo Gambini (Universidad de la Republica Uruguay) ...
  • News
    Invitation to a talk: Marcelo Terra Cunha, Wednesday, May 16th 2018, 2 pm at the IQOQI Seminar Room
    16.05.2018
    Cabello. In the talk, I will give answers to all those questions, and formulate some other questions to which we only have partial answers. Wednesday, May 16, 2018 2:00 pm IQOQI Seminar room, 2nd floor Boltzmanngasse 3, 1090 Vienna Hosted by: Časlav Brukner
  • News
    The Paul Ehrenfest Best Paper Award for Quantum Foundations
    02.12.2016
    of the Paul Ehrenfest Best Paper Award for Quantum Foundations 2015 were: Nicolas Gisin, University of Geneva, Switzerland Rob Spekkens, Perimeter Institute for Theoretical Physics, Canada Aephraim Steinberg, University of Toronto, Canada Caslav Brukner, Austrian Academy of Sciences, Austria Alain Aspect, Institut d'Optique, France The selection of the award-winning publications was achieved by a vote of those committee members who had no conflict of interest. The award ...
  • News
    Quantum causal relations: A causes B causes A
    03.10.2012
    objects can lose their well-defined classical properties, such as e.g. a particle that can be at two different locations at the same time. In quantum physics this is called a "superposition". Now an international team of physicists led by Caslav Brukner from the University of Vienna have shown that even the causal order of events could be in such a superposition. If - in our example - Alice and Bob have a quantum system instead of an ordinary piece of paper to write their ...
  • News
    Bits and balls: Quantum computation is an island in theoryspace
    24.01.2019
    points on a ball, too. But in contrast to quantum bits, this ball does not need to be three-dimensional. What happens to computation if we allow the balls to have, say, dimension four or five? Two other IQOQI researchers, Borivoje Dakić and Ćaslav Brukner , have previously made a compelling conjecture: that these bits describe alternative physics in universes with more than three spatial dimensions. To check this idea, Krumm and Müller make two assumptions on how these bits ...
  • News
    Gibt es bald noch schnellere Quantencomputer?
    11.08.2015
    Ein Team von PhysikerInnen der Universität Wien und der ÖAW um Philip Walther und Caslav Brukner demonstrieren ein neues Quantenrechenschema. Ihre Ideen könnten die Grundlage für eine neue Art des Quantenrechnens mit dem Potenzial für noch schnellere Quantencomputer bilden. Seit ihrer frühen Entwicklung hat die Quantenmechanik unserer natürlichen Denkweise getrotzt und PhysikerInnen dazu gezwungen, mit sonderbaren Ideen zurechtzukommen. Obwohl sie schwierig zu begreifen sein ...
  • News
    Invitation to a talk: Tomasz Paterek, Monday, July 16th 2018, 11 am at the IQOQI Seminar Room
    16.07.2018
    more details for two harmonic oscillators coupled gravitationally. Finally, some thoughts on the limits of this approach will be presented. Monday, July 16, 2018 11:00 am IQOQI Seminar room, 2nd floor Boltzmanngasse 3, 1090 Vienna Hosted by: Časlav Brukner
  • News
    Invitation to a talk: Kavan Modi, Wednesday, May 23 2018, 2 pm at the IQOQI Seminar Room
    23.05.2018
    entanglement. The many-body state can be measured to any desired precision, thus the process can be characterised to any desired precision. Wednesday, May 23, 2018 2:00 pm IQOQI Seminar room, 2nd floor Boltzmanngasse 3, 1090 Vienna Hosted by: Časlav Brukner