Roger Colbeck

King's College London — United Kingdom

Physics and Astronomy · Physical Sciences

25h-index5.6kcitations85works2.82yr avg
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Research Topics

Quantum Mechanics and Applications(59), Quantum Information and Cryptography(54), Quantum Computing Algorithms and Architecture(30), Advanced Thermodynamics and Statistical Mechanics(10), Statistical Mechanics and Entropy(7)

Publications85 total

Expanding bipartite Bell inequalities for maximum multi-partite randomness
Quantum·2025Open Access
Closing the problem of which causal structures of up to six total nodes have a classical-quantum gap
arXiv (Cornell University)·2025Open Access
Correlation Self-Testing of Quantum Theory against Generalised Probabilistic Theories with Restricted Relabelling Symmetry
arXiv (Cornell University)·2025Open Access
Genuine Multipartite Entanglement is Not Necessary for Standard Device-Independent Conference Key Agreement
Physical Review Letters·2025Open Access
Data generated to produce Fig. 1 of the Supplemental Material of "Genuine multipartite entanglement is not necessary for standard device-independent conference key agreement"
ArXiv.org·2025Open Access
Device-Independent Quantum Key Distribution with Arbitrarily Small Nonlocality
Physical Review Letters·2024· 21 citedOpen Access
Information-processing in theories constrained by no superluminal causation vs no superluminal signalling
arXiv (Cornell University)·2024· 1 citedOpen Access
Erratum: Toward correlation self-testing of quantum theory in the adaptive Clauser-Horne-Shimony-Holt game [Phys. Rev. A <b>102</b>, 022203 (2020)]
Physical review. A/Physical review, A·2024Open Access
Multisystem measurements in generalized probabilistic theories and their role in information processing
Physical review. A/Physical review, A·2023· 4 citedOpen Access
The standard no-signalling constraints in Bell scenarios are neither sufficient nor necessary for preventing superluminal signalling with general interventions
arXiv (Cornell University)·2023Open Access
Device-independent quantum key distribution with arbitrarily small nonlocality
arXiv (Cornell University)·2023Open Access
Improved device-independent randomness expansion rates using two sided randomness
New Journal of Physics·2023· 11 citedOpen Access
Expanding bipartite Bell inequalities for maximum multi-partite randomness
arXiv (Cornell University)·2023· 1 citedOpen Access
Advantages of Multicopy Nonlocality Distillation and Its Application to Minimizing Communication Complexity
Physical Review Letters·2023· 14 cited
Tight Analytic Bound on the Trade-Off between Device-Independent Randomness and Nonlocality
Physical Review Letters·2022Open Access
Multi-system measurements in generalized probabilistic theories and their role in information processing
arXiv (Cornell University)·2022· 3 citedOpen Access
General framework for cyclic and fine-tuned causal models and their compatibility with space-time
Physical review. A/Physical review, A·2022· 16 citedOpen Access
Impossibility of Superluminal Signaling in Minkowski Spacetime Does Not Rule Out Causal Loops
Physical Review Letters·2022· 10 citedOpen Access
Impossibility of superluminal signalling in Minkowski space-time does not rule out causal loops
arXiv (Cornell University)·2022· 1 citedOpen Access
Advantages of multi-copy nonlocality distillation and its application to minimizing communication complexity
arXiv (Cornell University)·2022Open Access
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Frequent Co-authors

Renato Renner(16), Sammy Ragy(5), Peter Brown(5), Mirjam Weilenmann(5), Matthias Christandl(4), Raban Iten(4), Mario Berta(3), Adrian Kent(3), V. Vilasini(3), Rutvij Bhavsar(3), Marco Tomamichel(2), Joseph M. Renes(2), Jonathan Barrett(2), Ligong Wang(2), Lewis Wooltorton(2), Giorgos Eftaxias(2), Stefano Pirandola(1), Ulrik L. Andersen(1), Leonardo Banchi(1), Darius Bunandar(1)