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  • Event
    Robustness of Magic and Symmetries of the Stabiliser Polytope
    29.08.2018
    ional space. In this paper, we make use of inherent symmetries to reduce the problem to n dimensions. The total run-time of our algorithm, while still exponential in n, is super-polynomially faster than previously published methods. We provide a computer implementation and give the robustness of up to 10 copies of the most commonly used magic states. Guided by the exact results, we find an ansatz for approximate solutions that can be evaluated in polynomial time and yield ...
  • News
    World record for quantum entanglement in optical fibers
    16.12.2022
    these is encrypted data transmission using quantum technology. With this so-called quantum cryptography, the “coin tosses” can be used to encrypt messages in a way that is unhackable. The transmission of entanglement will also allow future quantum computers to be connected. IMPORTANT PREREQUISITES FOR FUTURE QUANTUM INTERNET Sebastian Neumann, OeAW first author of the publication and in charge of conducting the experiment, describes the greatest challenges: “Unlike the ...
  • News
    Artificial intelligence predicts research trends in quantum physics
    15.01.2020
    Zeilinger , quantum physicist at IQOQI-Vienna (Austrian Academy of Sciences) and the University of Vienna, Krenn has now demonstrated an innovative solution to this problem in the journal "Proceedings of the National Academy of Sciences" (PNAS): a computer-aided system for efficient processing of quantum physics knowledge. "First, we automatically created a list of around 6,500 key concepts in quantum physics from books, specialist articles and Wikipedia. Then we defined ...
  • News
    QUANTUM PHYSICS FOR EVERYONE
    30.04.2018
    opportunity of watching and operating scientific state-of-the-art devices was highly appreciated and led to interesting discussions with visitors of all ages on further fundamental and advanced topics such as entanglement, quantum cryptography, quantum computers and other applications. With a total of 30.000 visitors in Vienna IQOQI`s quantum physicists are looking forward to 2020, when the next Long Night of Research takes place, for continuing exchange of knowledge and ...
  • News
    Invitation to a talk: Iagoba Apellaniz, Friday April 27th 2018, 12:00 noon at the IQOQI Seminar Room
    27.04.2018
    Julia is a high-level, high-performance dynamic programming language for numerical computing. Even though Julia is still not very well known by the community, it will reach an important milestone when it hits in a couple of months the stable version 1.0. Said that, it is impressive how a yet not stable language has attracted so much attention. Perhaps, Julia is one of the few languages that without been yet in v1.0 has been embraced by many scientists and engineers around ...
  • News
    Secure quantum communication at high rates for future satellite links
    22.01.2021
    their private messages. Classical encryption methods, used nowadays for instance for bank transfers and messages, are based on the exchange of a key that works for a limited time, the security of which is only guaranteed by the fact that current computers are unable to decrypt it during this time. In QKD instead, the quantum feature of entanglement allows the key exchange with privacy guaranteed by the very laws of physics. However, if the two parts are more than a few ...
  • News
    Quantum Confessions in the village’s Free Church
    26.09.2022
    focus was on quantum correlations, in both quantum information science and foundations of quantum theory. Major themes included Bell nonlocality, entanglement, steering, geometry of quantum states, computational and statistical methods in quantum information, quantum communication and quantum computation. Much enthusiasm was shown for the opportunity to discuss science in the unorthodox environment and cultural references quickly found their way into the scientific ...
  • News
    Quantum physicists achieve entanglement record
    11.04.2018
    Some of the new quantum technologies ranging from extremely precise sensors to universal quantum computers require a large number of quantum bits in order to exploit the advantages of quantum physics. Physicists all over the world are therefore working on implementing entangled systems with more and more quantum bits. The record is currently held by Rainer Blatt's research group at the Institute of Experimental Physics at the University of Innsbruck. In 2011, the physicists ...
  • News
    Quantum physics at a distance
    04.09.2012
    be a key protocol for the transmission of information between quantum computers. In a quantum teleportation experiment, quantum states — but not matter — are exchanged between two parties over distances that can be, in principle, arbitrarily long. The process works even if the location of the recipient is not known. Such an exchange can be used either for the transmission of messages, or as an operation in future quantum computers. In these applications the photons that ...
  • News
    The Vienna Circle’s home was in Boltzmanngasse
    04.11.2021
    spectacular as those in physics. The Vienna Circle contributed greatly, through Rudolf Carnap and, in particular, Kurt Gödel, the youngest and quietest member of the Circle. This development led eventually, via Alan Turing and John von Neumann, to computer programs and our digitalized world. During the ‘thirties, however, political developments and personal tragedies put an end to the Vienna Circle. In particular, Schlick was murdered in 1936, in the University, by his ...