René Schwonnek

Leibniz University Hannover — Germany

Computer Science · Physical Sciences

11h-index701citations47works2.72yr avg
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Research Topics

Quantum Information and Cryptography(27), Quantum Computing Algorithms and Architecture(26), Quantum Mechanics and Applications(22), Quantum Mechanics and Non-Hermitian Physics(4), Quantum and electron transport phenomena(3)

Publications47 total

Optimising the relative entropy under semidefinite constraints
npj Quantum Information·2026· 1 citedOpen Access
Entanglement Detection with Rotationally Covariant Measurements -- From Compton Scattering to Lemonade
arXiv (Cornell University)·2025Open Access
Simultaneous variances of Pauli strings, weighted independence numbers, and a new kind of perfection of graphs
arXiv (Cornell University)·2025Open Access
Deep-Circuit QAOA
Quantum·2025· 3 citedOpen Access
Symmetry-based quantum algorithms for open-shop scheduling with hard constraints
Academia quantum.·2025
From Barren Plateaus Through Fertile Valleys: Conic Extensions of Parameterised Quantum Circuits
2025
Deep-Circuit QAOA
Leibniz Universität Hannover·2025Open Access
Reliable Entropy Estimation from Observed Statistics for Device-Independent Quantum Cryptography
arXiv (Cornell University)·2024Open Access
One for All: Universal Quantum Conic Programming Framework for Hard-Constrained Combinatorial Optimization Problems
arXiv (Cornell University)·2024· 1 citedOpen Access
Entropic uncertainty principle for mixed states
Physical Review Research·2024· 3 citedOpen Access
Elementary proof of QAOA convergence
New Journal of Physics·2024· 9 citedOpen Access
The Schmidt Rank for the Commuting Operator Framework
Communications in Mathematical Physics·2024· 6 citedOpen Access
Bounding the Joint Numerical Range of Pauli Strings by Graph Parameters
PRX Quantum·2024· 12 citedOpen Access
From barren plateaus through fertile valleys: Conic extensions of parameterised quantum circuits
arXiv (Cornell University)·2023· 1 citedOpen Access
Hierarchies for Semidefinite Optimization in $\mathcal{C}^\star$-Algebras
arXiv (Cornell University)·2023Open Access
Bounding the joint numerical range of Pauli strings by graph parameters
arXiv (Cornell University)·2023· 2 citedOpen Access
The Schmidt rank for the commuting operator framework
arXiv (Cornell University)·2023Open Access
Complete Hierarchy for High-Dimensional Steering Certification
Physical Review Letters·2023· 14 cited
Device-Independent Quantum Key Distribution Using Entangled Atoms
2023· 1 cited
An entropic uncertainty principle for mixed states
arXiv (Cornell University)·2023Open Access
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Frequent Co-authors

Gereon Koßmann(13), Reinhard F. Werner(11), Lennart Binkowski(10), Charles Ci Wen Lim(9), Timo Ziegler(7), Valerio Scarani(6), Ernest Y.-Z. Tan(5), Tim van Leent(4), Kai Redeker(4), Robert Garthoff(4), Florian Fertig(4), Sebastian Eppelt(4), Harald Weinfurter(4), Koon Tong Goh(4), Ignatius William Primaatmaja(4), Kais Abdelkhalek(4), Lauritz van Luijk(4), Wenjamin Rosenfeld(3), Ramona Wolf(3), Otfried Gühne(3)