Leibniz Universität Hannover Faculty Faculty of Mathematics and Physics
Deutsch Contact Deutsch
Institute of Theoretical Physics
 
Institute of Theoretical Physics Research Groups René Schwonnek
Publications

Publikationen

2025

From Barren Plateaus Through Fertile Valleys: Conic Extensions of Parameterised Quantum Circuits. / Binkowski, Lennart; Kobmann, Gereon; Osborne, Tobias J. et al.
Technical Papers Program. ed. / Candace Culhane; Greg Byrd; Hausi Muller; Andrea Delgado; Stephan Eidenbenz. Institute of Electrical and Electronics Engineers Inc., 2025. p. 111-118.

Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review

Deep-Circuit QAOA. / Koßmann, Gereon; Binkowski, Lennart; van Luijk, Lauritz et al.
In: Quantum, Vol. 9, 1882, 13.10.2025.

Research output: Contribution to journal › Article › Research › peer review


2024

Elementary proof of QAOA convergence. / Binkowski, Lennart; Koßmann, Gereon; Ziegler, Timo et al.
In: New Journal of Physics, Vol. 26, No. 7, 073001, 01.07.2024.

Research output: Contribution to journal › Article › Research › peer review

Entropic uncertainty principle for mixed states. / Rotundo, Antonio F.; Schwonnek, René.
In: Physical Review Research, Vol. 6, No. 3, 033043, 09.07.2024.

Research output: Contribution to journal › Article › Research › peer review

The Schmidt rank for the commuting operator framework. / van Luijk, Lauritz; Schwonnek, René; Stottmeister, Alexander et al.
In: Communications in Mathematical Physics, Vol. 405, 152, 18.06.2024.

Research output: Contribution to journal › Article › Research › peer review

Bounding the Joint Numerical Range of Pauli Strings by Graph Parameters. / Xu, Zhen Peng; Schwonnek, René; Winter, Andreas.
In: PRX Quantum, Vol. 5, No. 2, 020318, 22.04.2024.

Research output: Contribution to journal › Article › Research › peer review


2023

Complete Hierarchy for High-Dimensional Steering Certification. / De Gois, Carlos; Plávala, Martin; Schwonnek, René et al.
In: Physical review letters, Vol. 131, No. 1, 010201, 07.07.2023.

Research output: Contribution to journal › Article › Research › peer review

Device-independent quantum key distribution using entangled atoms. / van Leent, Tim; Zhang, Wei; Garthoff, Robert et al.
2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023. Institute of Electrical and Electronics Engineers Inc., 2023. ( Conference on Lasers & Electro-Optics Europe & International Quantum Electronics Conference).

Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review


2022

Improved DIQKD protocols with finite-size analysis. / Tan, Ernest Y.Z.; Sekatski, Pavel; Bancal, Jean Daniel et al.
In: Quantum, Vol. 6, 22.12.2022.

Research output: Contribution to journal › Article › Research › peer review

A device-independent quantum key distribution system for distant users. / Zhang, Wei; van Leent, Tim; Redeker, Kai et al.
In: NATURE, Vol. 607, No. 7920, 28.07.2022, p. 687-691.

Research output: Contribution to journal › Article › Research › peer review


2021

Device-independent quantum key distribution with random key basis. / Schwonnek, René; Goh, Koon Tong; Primaatmaja, Ignatius W. et al.
In: Nature Communications, Vol. 12, No. 1, 2880, 01.12.2021.

Research output: Contribution to journal › Article › Research › peer review

Computing secure key rates for quantum cryptography with untrusted devices. / Tan, Ernest Y.Z.; Schwonnek, René; Goh, Koon Tong et al.
In: npj Quantum information, Vol. 7, No. 1, 158, 12.2021.

Research output: Contribution to journal › Article › Research › peer review


2020

The Wigner distribution of n arbitrary observables. / Schwonnek, René; Werner, Reinhard F.
In: Journal of mathematical physics, Vol. 61, No. 8, 082103, 04.08.2020.

Research output: Contribution to journal › Article › Research › peer review


2019

Entanglement detection with scrambled data. / Simnacher, Timo; Wyderka, Nikolai; Schwonnek, René et al.
In: Physical Review A, Vol. 99, No. 6, 062339, 27.06.2019.

Research output: Contribution to journal › Article › Research › peer review

Entanglement Detection by Violations of Noisy Uncertainty Relations: A Proof of Principle. / Zhao, Yuan Yuan; Xiang, Guo Yong; Hu, Xiao Min et al.
In: Physical review letters, Vol. 122, No. 22, 220401, 07.06.2019.

Research output: Contribution to journal › Article › Research › peer review


2018

Additivity of entropic uncertainty relations. / Schwonnek, René.
In: Quantum, Vol. 2, 28.03.2018, p. 59.

Research output: Contribution to journal › Article › Research › peer review

Uncertainty relations in quantum theory. / Schwonnek, René.
Hannover: Leibniz Universität Hannover, 2018. 205 p.

Research output: Thesis › Doctoral thesis


2017

State-independent Uncertainty Relations and Entanglement Detection in Noisy Systems. / Schwonnek, René; Dammeier, Lars; Werner, Reinhard F.
In: Phys. Rev. Lett., Vol. 119, No. 17, 170404, 27.10.2017.

Research output: Contribution to journal › Article › Research › peer review


2016

Optimal uncertainty relations in a modified Heisenberg algebra. / Abdelkhalek, Kais; Chemissany, Wissam; Fiedler, Leander et al.
In: Physical Review D, Vol. 94, No. 12, 123505, 05.12.2016.

Research output: Contribution to journal › Article › Research › peer review

Entanglement Distillation using the Exchange Interaction. / Auer, Adrian; Schwonnek, René; Schoder, Christian et al.
In: Appl. Phys. B, Vol. 122, No. 3, 51, 01.03.2016, p. 1-8.

Research output: Contribution to journal › Article › Research › peer review


First 1 2 Last

Publications

2025

From Barren Plateaus Through Fertile Valleys: Conic Extensions of Parameterised Quantum Circuits. / Binkowski, Lennart; Kobmann, Gereon; Osborne, Tobias J. et al.
Technical Papers Program. ed. / Candace Culhane; Greg Byrd; Hausi Muller; Andrea Delgado; Stephan Eidenbenz. Institute of Electrical and Electronics Engineers Inc., 2025. p. 111-118.

Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review

Deep-Circuit QAOA. / Koßmann, Gereon; Binkowski, Lennart; van Luijk, Lauritz et al.
In: Quantum, Vol. 9, 1882, 13.10.2025.

Research output: Contribution to journal › Article › Research › peer review


2024

Elementary proof of QAOA convergence. / Binkowski, Lennart; Koßmann, Gereon; Ziegler, Timo et al.
In: New Journal of Physics, Vol. 26, No. 7, 073001, 01.07.2024.

Research output: Contribution to journal › Article › Research › peer review

Entropic uncertainty principle for mixed states. / Rotundo, Antonio F.; Schwonnek, René.
In: Physical Review Research, Vol. 6, No. 3, 033043, 09.07.2024.

Research output: Contribution to journal › Article › Research › peer review

The Schmidt rank for the commuting operator framework. / van Luijk, Lauritz; Schwonnek, René; Stottmeister, Alexander et al.
In: Communications in Mathematical Physics, Vol. 405, 152, 18.06.2024.

Research output: Contribution to journal › Article › Research › peer review

Bounding the Joint Numerical Range of Pauli Strings by Graph Parameters. / Xu, Zhen Peng; Schwonnek, René; Winter, Andreas.
In: PRX Quantum, Vol. 5, No. 2, 020318, 22.04.2024.

Research output: Contribution to journal › Article › Research › peer review


2023

Complete Hierarchy for High-Dimensional Steering Certification. / De Gois, Carlos; Plávala, Martin; Schwonnek, René et al.
In: Physical review letters, Vol. 131, No. 1, 010201, 07.07.2023.

Research output: Contribution to journal › Article › Research › peer review

Device-independent quantum key distribution using entangled atoms. / van Leent, Tim; Zhang, Wei; Garthoff, Robert et al.
2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023. Institute of Electrical and Electronics Engineers Inc., 2023. ( Conference on Lasers & Electro-Optics Europe & International Quantum Electronics Conference).

Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review


2022

Improved DIQKD protocols with finite-size analysis. / Tan, Ernest Y.Z.; Sekatski, Pavel; Bancal, Jean Daniel et al.
In: Quantum, Vol. 6, 22.12.2022.

Research output: Contribution to journal › Article › Research › peer review

A device-independent quantum key distribution system for distant users. / Zhang, Wei; van Leent, Tim; Redeker, Kai et al.
In: NATURE, Vol. 607, No. 7920, 28.07.2022, p. 687-691.

Research output: Contribution to journal › Article › Research › peer review


2021

Device-independent quantum key distribution with random key basis. / Schwonnek, René; Goh, Koon Tong; Primaatmaja, Ignatius W. et al.
In: Nature Communications, Vol. 12, No. 1, 2880, 01.12.2021.

Research output: Contribution to journal › Article › Research › peer review

Computing secure key rates for quantum cryptography with untrusted devices. / Tan, Ernest Y.Z.; Schwonnek, René; Goh, Koon Tong et al.
In: npj Quantum information, Vol. 7, No. 1, 158, 12.2021.

Research output: Contribution to journal › Article › Research › peer review


2020

The Wigner distribution of n arbitrary observables. / Schwonnek, René; Werner, Reinhard F.
In: Journal of mathematical physics, Vol. 61, No. 8, 082103, 04.08.2020.

Research output: Contribution to journal › Article › Research › peer review


2019

Entanglement detection with scrambled data. / Simnacher, Timo; Wyderka, Nikolai; Schwonnek, René et al.
In: Physical Review A, Vol. 99, No. 6, 062339, 27.06.2019.

Research output: Contribution to journal › Article › Research › peer review

Entanglement Detection by Violations of Noisy Uncertainty Relations: A Proof of Principle. / Zhao, Yuan Yuan; Xiang, Guo Yong; Hu, Xiao Min et al.
In: Physical review letters, Vol. 122, No. 22, 220401, 07.06.2019.

Research output: Contribution to journal › Article › Research › peer review


2018

Additivity of entropic uncertainty relations. / Schwonnek, René.
In: Quantum, Vol. 2, 28.03.2018, p. 59.

Research output: Contribution to journal › Article › Research › peer review

Uncertainty relations in quantum theory. / Schwonnek, René.
Hannover: Leibniz Universität Hannover, 2018. 205 p.

Research output: Thesis › Doctoral thesis


2017

State-independent Uncertainty Relations and Entanglement Detection in Noisy Systems. / Schwonnek, René; Dammeier, Lars; Werner, Reinhard F.
In: Phys. Rev. Lett., Vol. 119, No. 17, 170404, 27.10.2017.

Research output: Contribution to journal › Article › Research › peer review


2016

Optimal uncertainty relations in a modified Heisenberg algebra. / Abdelkhalek, Kais; Chemissany, Wissam; Fiedler, Leander et al.
In: Physical Review D, Vol. 94, No. 12, 123505, 05.12.2016.

Research output: Contribution to journal › Article › Research › peer review

Entanglement Distillation using the Exchange Interaction. / Auer, Adrian; Schwonnek, René; Schoder, Christian et al.
In: Appl. Phys. B, Vol. 122, No. 3, 51, 01.03.2016, p. 1-8.

Research output: Contribution to journal › Article › Research › peer review


First 1 2 Last

Last Change: 04.02.26; René Schwonnek Print

Contact us
Contact