Since 2015, the Focus Group Complex Quantum Systems has been studying to what extent quantum effects can be exploited to enhance information processing. We have made a variety of contributions to quantum information theory and the theory of quantum computation. Our work provides new fundamental physical limits to communication using quantum systems, as well as novel ways of harnessing quantum effects to enhance computation. full report
Short CV
Following his studies in physics at ETH Zurich, Robert König received his PhD from the Department of Applied Mathematics and Theoretical Physics of the University of Cambridge, UK, in 2007. He subsequently worked as a postdoctoral scholar at the Institute for Quantum Information, Caltech, as well as the IBM TJ Watson Research Center. Prior to joining TUM as a Rudolf Mößbauer Tenure Track Professor, he was an assistant professor at the Institute for Quantum Computing of the University of Waterloo. Since 2015, he has been assistant professor at TUM.
Selected Awards
2013, Discovery grant, NSERC Canada
2010, Fellowship for advanced researchers, Swiss National Science Foundation
2006, Smith/Rayleigh-Knight-Prize, University of Cambridge
2005, Fellowship of the Janggen-Pöhn Foundation (declined)
2003, ETH-Medal and Willi-Studer-Prize, ETH Zurich
2003, Pólya-Prize, Department for Mathematics and Physics, ETH Zurich
Research Interests
Robert König is interested in all physical, mathematical and computational aspects of quantum mechanics. Through his research, he aims to clarify the exact potential of physical systems when used to process information. He focuses on mathematical methods for quantum communication, cryptography and computation, as well as the application of operationally motivated concepts to the study of fundamental properties of matter.
König, Robert; Smith, Graeme: Limits on classical communication from quantum entropy power inequalities. Nature Photonics, 2013, 142-146.
König, Robert; Kuperberg, Greg; Reichardt, Ben W.: Quantum computation with Turaev–Viro codes. Annals of Physics 325 (12), 2010, 2707-2749.
König, Robert; Renner, Renato; Bariska, Andor; Maurer, Ueli: Small Accessible Quantum Information Does Not Imply Security. Phys. Rev. Lett. 98 (14), 2007.
Bravyi, Sergey; Kliesch, Alexander; Koenig, Robert; Tang, Eugene: Obstacles to Variational Quantum Optimization from Symmetry Protection. Physical Review Letters 125 (26), 2020 mehr…BibTeX
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Huber, Stefan; Konig, Robert; Tomamichel, Marco: Jointly Constrained Semidefinite Bilinear Programming With an Application to Dobrushin Curves. IEEE Transactions on Information Theory 66 (5), 2020, 2934-2950 mehr…BibTeX
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Hänggli, Lisa; Heinze, Margret; König, Robert: Enhanced noise resilience of the surface–Gottesman-Kitaev-Preskill code via designed bias. Physical Review A 102 (5), 2020 mehr…BibTeX
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Kliesch, Alexander; König, Robert: Continuum Limits of Homogeneous Binary Trees and the Thompson Group. Physical Review Letters 124 (1), 2020 mehr…BibTeX
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2019
Bravyi, Sergey; Gosset, David; König, Robert; Tomamichel, Marco: Quantum advantage with noisy shallow circuits in 3D. 2019 mehr…BibTeX
Bravyi, Sergey; Kliesch, Alexander; König, Robert; Tang, Eugene: Obstacles to State Preparation and Variational Optimization from Symmetry Protection. 2019 mehr…BibTeX
Bravyi, Sergey; Gosset, David; König, Robert; Temme, Kristan: Approximation algorithms for quantum many-body problems. Journal of Mathematical Physics 60 (3), 2019, 032203 mehr…BibTeX
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Fukuda, Motohisa; König, Robert: Typical entanglement for Gaussian states. Journal of Mathematical Physics 60 (11), 2019, 112203 mehr…BibTeX
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Fukuda, Motohisa; König, Robert; Nechita, Ion: RTNI—A symbolic integrator for Haar-random tensor networks. Journal of Physics A: Mathematical and Theoretical 52 (42), 2019, 425303 mehr…BibTeX
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Gschwendtner, Martina; König, Robert; Şahinoğlu, Burak; Tang, Eugene: Quantum error-detection at low energies. Journal of High Energy Physics 2019 (9), 2019 mehr…BibTeX
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Huber, Stefan; König, Robert; Tomamichel, Marco: Jointly constrained semidefinite bilinear programming with an application to Dobrushin curves. IEEE Transactions on Information Theory, 2019, 1-1 mehr…BibTeX
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2018
Bravyi, Sergey; Englbrecht, Matthias; König, Robert; Peard, Nolan: Correcting coherent errors with surface codes. npj Quantum Information 4 (1), 2018 mehr…BibTeX
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Huber, Stefan; König, Robert: Coherent state coding approaches the capacity of non-Gaussian bosonic channels. Journal of Physics A: Mathematical and Theoretical 51 (18), 2018, 184001 mehr…BibTeX
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2017
Hiai, Fumio; König, Robert; Tomamichel, Marco: Generalized Log-Majorization and Multivariate Trace Inequalities. Annales Henri Poincaré 18 (7), 2017, 2499-2521 mehr…BibTeX
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Huber, Stefan; König, Robert; Vershynina, Anna: Geometric inequalities from phase space translations. Journal of Mathematical Physics 58 (1), 2017, 012206 mehr…BibTeX
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König, Robert; Scholz, Volkher B.: Matrix product approximations to conformal field theories. Nuclear Physics B 920, 2017, 32-121 mehr…BibTeX
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2016
Beverland, Michael E.; Buerschaper, Oliver; König, Robert; Pastawski, Fernando; Preskill, John; Sijher, Sumit: Protected gates for topological quantum field theories. Journal of Mathematical Physics 57 (2), 2016, 022201 mehr…BibTeX
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König, Robert; Scholz, Volkher B.: Matrix Product Approximations to Multipoint Functions in Two-Dimensional Conformal Field Theory. Physical Review Letters 117 (12), 2016 mehr…BibTeX
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Ni, Xiaotong; Pastawski, Fernando; Yoshida, Beni; König, Robert: Preparing topologically ordered states by Hamiltonian interpolation. New Journal of Physics 18 (9), 2016, 093027 mehr…BibTeX
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2015
König, Robert: The conditional entropy power inequality for Gaussian quantum states. Journal of Mathematical Physics 56 (2), 2015, 022201 mehr…BibTeX
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