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Publications

  1. 2024
  2. Published

    Entropic uncertainty principle for mixed states

    Rotundo, A. F. & Schwonnek, R., 9 Jul 2024, In: Physical Review Research. 6, 3, 6 p., 033043.

    Research output: Contribution to journalArticleResearchpeer review

  3. Published

    Elementary proof of QAOA convergence

    Binkowski, L., Koßmann, G., Ziegler, T. & Schwonnek, R., 1 Jul 2024, In: New Journal of Physics. 26, 7, 073001.

    Research output: Contribution to journalArticleResearchpeer review

  4. Published

    Bounding the Joint Numerical Range of Pauli Strings by Graph Parameters

    Xu, Z. P., Schwonnek, R. & Winter, A., 22 Apr 2024, In: PRX Quantum. 5, 2, 19 p., 020318.

    Research output: Contribution to journalArticleResearchpeer review

  5. 2023
  6. E-pub ahead of print

    From barren plateaus through fertile valleys: Conic extensions of parameterised quantum circuits

    Binkowski, L., Koßmann, G., Osborne, T. J., Schwonnek, R. & Ziegler, T., 6 Oct 2023, (E-pub ahead of print).

    Research output: Working paper/PreprintPreprint

  7. E-pub ahead of print

    The Schmidt rank for the commuting operator framework

    van Luijk, L., Schwonnek, R., Stottmeister, A. & Werner, R. F., 21 Jul 2023, (E-pub ahead of print).

    Research output: Working paper/PreprintPreprint

  8. Published

    Complete Hierarchy for High-Dimensional Steering Certification

    De Gois, C., Plávala, M., Schwonnek, R. & Gühne, O., 7 Jul 2023, In: Physical review letters. 131, 1, 010201.

    Research output: Contribution to journalArticleResearchpeer review

  9. 2022
  10. Improved DIQKD protocols with finite-size analysis

    Tan, E. Y. Z., Sekatski, P., Bancal, J. D., Schwonnek, R., Renner, R., Sangouard, N. & Lim, C. C. W., 22 Dec 2022, In: Quantum. 6

    Research output: Contribution to journalArticleResearchpeer review

  11. Published

    Deep-Circuit QAOA

    Koßmann, G., Binkowski, L., van Luijk, L., Ziegler, T. & Schwonnek, R., 22 Oct 2022.

    Research output: Working paper/PreprintPreprint

  12. A device-independent quantum key distribution system for distant users

    Zhang, W., van Leent, T., Redeker, K., Garthoff, R., Schwonnek, R., Fertig, F., Eppelt, S., Rosenfeld, W., Scarani, V., Lim, C. C. W. & Weinfurter, H., 28 Jul 2022, In: NATURE. 607, 7920, p. 687-691 5 p.

    Research output: Contribution to journalArticleResearchpeer review

  13. 2020
  14. Published

    The Wigner distribution of n arbitrary observables

    Schwonnek, R. & Werner, R. F., 4 Aug 2020, In: Journal of mathematical physics. 61, 8, 082103.

    Research output: Contribution to journalArticleResearchpeer review

  15. 2019
  16. Published

    Entanglement detection with scrambled data

    Simnacher, T., Wyderka, N., Schwonnek, R. & Gühne, O., 27 Jun 2019, In: Physical Review A. 99, 6, 062339.

    Research output: Contribution to journalArticleResearchpeer review

  17. Published

    Entanglement Detection by Violations of Noisy Uncertainty Relations: A Proof of Principle

    Zhao, Y. Y., Xiang, G. Y., Hu, X. M., Liu, B. H., Li, C. F., Guo, G. C., Schwonnek, R. & Wolf, R., 7 Jun 2019, In: Physical review letters. 122, 22, 220401.

    Research output: Contribution to journalArticleResearchpeer review

  18. 2018
  19. Published

    Uncertainty relations in quantum theory

    Schwonnek, R., 2018, Hannover. 205 p.

    Research output: ThesisDoctoral thesis

  20. 2017
  21. Published

    State-independent Uncertainty Relations and Entanglement Detection in Noisy Systems

    Schwonnek, R., Dammeier, L. & Werner, R. F., 27 Oct 2017, In: Phys. Rev. Lett.. 119, 17, 1 p., 170404.

    Research output: Contribution to journalArticleResearchpeer review

  22. 2016
  23. Published

    Measurement Uncertainty for Finite Quantum Observables

    Schwonnek, R., Reeb, D. & Werner, R. F., 1 Jun 2016, In: Mathematics. 4, 2, p. 8 1 p., 38.

    Research output: Contribution to journalArticleResearchpeer review

  24. Published

    Entanglement Distillation using the Exchange Interaction

    Auer, A., Schwonnek, R., Schoder, C., Dammeier, L., Werner, R. F. & Burkard, G., 1 Mar 2016, In: Appl. Phys. B. 122, 3, p. 1-8 8 p., 51.

    Research output: Contribution to journalArticleResearchpeer review

  25. 2015
  26. Published

    Uncertainty Relations for Angular Momentum

    Dammeier, L., Schwonnek, R. & Werner, R. F., 25 Sept 2015, In: New J. Phys.. 17, 9, p. 093046 1 p., 093046.

    Research output: Contribution to journalArticleResearchpeer review

  27. Published

    Optimality of entropic uncertainty relations

    Abdelkhalek, K., Schwonnek, R., Maassen, H., Furrer, F., Duhme, J., Raynal, P., Englert, B. & Werner, R. F., 1 Sept 2015, In: Int. J. Quant. Inf.. 13, 6, p. 1550045 1 p., 1550045.

    Research output: Contribution to journalArticleResearchpeer review