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  • News
    One clock with two times: when quantum mechanics meets general relativity
    21.10.2011
    theoretical physicists led by Prof. Caslav Brukner at the University of Vienna propose a novel experiment which can probe the overlap of the two theories. The focus of the work is to measure the general relativistic notion of time on a quantum scale. The findings will be published this week in "Nature Communications". Publication: Quantum interferometric visibility as a witness of general relativistic proper timeM. Zych, F. Costa, I. Pikovski and C. Brukner.Published online: ...
  • News
    Stronger together: New MoU with Perimeter
    28.02.2017
    promotion of progress in research areas of common interest and to strengthen the academic relations between both institutions. If you would like to propose a visit or if you have any questions about the details of the MoU, please contact Caslav Brukner ( caslav.brukner@oeaw.ac.at ), who will facilitate and manage exchange visits on the Vienna side. Exchange visits for the period December 1, 2016 to September 1, 2019 will wherever possible be funded through the international ...
  • News
    „Classic and Quantum Gravity“-Highlights 2012-2013
    26.11.2013
    The paper “General relativistic effects in quantum interference of photons” by M. Zych, F. M. Costa, I. Pikovski, T. Ralph, Č. Brukner has been selected by the Editorial Board of “Classical and Quantum Gravity” to be one of the Journal's Highlights of 2012–2013 in the field of Quantum Gravity. „Classic and Quantum Gravity“-Highlights 2012-2013 Publication
  • News
    FQXi 2018 "Agency in the Physical World"
    13.11.2018
    These are: "Agents in superpositions: the covariance of physical laws in quantum reference frames" by Caslav Brukner, "Where agents and algorithms meet: free will and computational irreducibility" by Markus Mueller and Andrew Garner, and "Agency-dependent spacetime and spacetime-dependent agency" by Giovanni Amelino-Camelia (University of Naples Federico II) and Philip Höhn (IQOQI). All the awardees can be found here: https://fqxi.org/grants/large/awardees/list?year=2018 ...
  • News
    Best-Thesis Award for Ämin Baumeler and Daniel Gruss
    01.10.2018
    conducted under the the supervision of Prof. Stefan Wolf at the Faculty of Informatics, Università della Svizzera italiana (USI), Lugano, Switzerland. In his work, Ämin Baumeler continues the works initialized by Fabio Costa, Ognyan Oreshkov and Časlav Brukner on non-causal correlations. That work was thereby extend to computer science, computability and time travel. The Thesis The Award USI News
  • Event
    Invitation to a talk: Lorenzo Maccone, Wednesday, May 9th 2018, 16:00 at the IQOQI Seminar Room
    09.05.2018
    system at different times. Our proposal is based in Page and Wootters’ and on Aharonov and Kaufherr’s conditional probabilities mechanism. Wednesday, May 9, 2018 16:00 h IQOQI Seminar Room, 2nd Floor, Boltzmanngasse 3, 1090 Vienna Hosted by: Časlav Brukner
  • News
    Highlight: "An optical probe of quantum gravity?"
    19.04.2012
    scale, new phenomena could arise. However, the Planck-scale is so remote from current experimental capabilities that tests of quantum gravity are widely believed to be nearly impossible. Now an international collaboration between the groups of Caslav Brukner and Markus Aspelmeyer at the University of Vienna and Myungshik Kim at Imperial College London has proposed a new quantum experiment using Planck-mass mirrors. Such an experiment could test certain predictions made by ...
  • News
    Computational Advantage from Quantum-Controlled Ordering of Gates
    07.01.2015
    procedures are usually performed by applying gates in a fixed order. In the new publication "Computational Advantage from Quantum-Controlled Ordering of Gates" in Physical Review Letters, CoQuS student Mateus Araújo, CoQuS alumnus Fabio Costa and Časlav Brukner show that superimposing the order of gates might provide quantum computers with an additional computational advantage. Original Publication: Computational Advantage from Quantum-Controlled Ordering of Gates Phys. Rev. ...
  • News
    Invitation to a talk by Marko Vojinovic on Tuesday, November 7th 2017, 12:00h at the IQOQI Seminar Room
    07.11.2017
    l fields. The RQG model will then enable us to discuss situations where the causal order between two events is not uniquely defined. Tuesday, November 7, 2017 12:00 h IQOQI Seminar Room, 2nd Floor, Boltzmanngasse 3, 1090 Vienna Hosted by: Caslav Brukner
  • News
    Lecture Series on Scientific Realism
    12.11.2018
    –completely organised by a group of students, co-sponsored by IQOQI-Vienna– garnered a great deal of success, reaching peaks of 170 participants. This series of lectures aimed at fostering the attention towards foundations of physics, and, as Prof. Brukner pointed out in his introduction (see video [Teil 1]), initiative of this kind might “strengthen the profile of the University of Vienna as one of the […] informal capitals of foundational questions in science”. Download ...