Our papers, some already published, and most on the arXiv

 Scroll-to-bottom for papers beyond the agenda !!

45. Robust generation of N-partite N-level singlet states by identical particle interferometry

Matteo Piccolini, Marcin Karczewski, Andreas Winter, Rosario Lo Franco

arXiv:2312.17184 [quant-ph]


44. From graphs to circuits: Optical heralded generation of N-partite GHZ and W states

Seungbeom Chin, Marcin Karczewski, Yong-Su Kim

arXiv:2310.10291 [quant-ph]


43. A review and analysis of six extended Wigner's friend arguments

David Schmid, Yìlè Yīng, Matthew Leifer

arXiv:2308.16220 [quant-ph]


42. Information theoretical perspective on the method of Entanglement Witnesses

Paulo J. Cavalcanti, Giovanni Scala, Antonio Mandarino, Cosmo Lupo

arXiv:2308.07744 [quant-ph]


41. Every non-signalling channel is common-cause realizable

Paulo J. Cavalcanti, John H. Selby, Ana Belén Sainz

Phys. Rev. A 109, 042211 (2024). arxiv link


40. Engineering the sensitivity of macroscopic physical systems to variations in the fine-structure constant

B. Zjawin, M. Bober, R. Ciuryło, D. Lisak, M. Zawada, P. Wcisło

Europhysics Letters 136, 58001 (2022). arxiv link


39. Addressing some common objections to generalized noncontextuality

David Schmid, John H Selby, Robert W Spekkens

arXiv:2302.07282 [quant-ph]


38. Contextuality with vanishing coherence and maximal robustness to dephasing

Vinicius P. Rossi, David Schmid, John H. Selby, Ana Belén Sainz.

Phys. Rev. A 108, 032213 (2023). arxiv link


37. The resource theory of nonclassicality of channel assemblages

Beata Zjawin, David Schmid, Matty J. Hoban, Ana Belén Sainz

Quantum 7, 1134 (2023). arxiv link


36. Macrorealism as strict classicality in the framework of generalized probabilistic theories (and how to falsify it)

David Schmid

Quantum 8, 1217 (2024). arxiv link


35. Aspects of the phenomenology of interference that are genuinely nonclassical

Lorenzo Catani, Matthew Leifer, Giovanni Scala, David Schmid, Robert W. Spekkens

Physical Review A 108, 022207(2023). arxiv link


34. Graph approach to entanglement generation by boson subtractions

Seungbeom Chin, Yong-Su Kim, Marcin Karczewski

arXiv:2211.04042 [quant-ph]


33. Topological invariants in quantum walks

Andrzej Grudka, Marcin Karczewski, Pawel Kurzynski, Jan Wojcik, Antoni Wojcik

Phys. Rev. A 107, 032201 (2023). arxiv link


32. Reply to ‘Comment on ‘Why interference phenomena do not capture the essence of quantum theory’'

L. Catani, M. Leifer, D. Schmid, R. W. Spekkens

arXiv:2207.11791 [quant-ph]


31. What is nonclassical about uncertainty relations?

L. Catani, M. Leifer, G. Scala, D. Schmid, R. W. Spekkens

Physical Review Letters 129, 240401 (2022). arxiv link


30. Optimal Interferometry for Bell Nonclassicality Induced by a Vacuum–One-Photon Qubit

Tamoghna Das, Marcin Karczewski, Antonio Mandarino, Marcin Markiewicz, Marek Żukowski

Phys. Rev. Applied 18, 034074 (2022). arxiv link


29. Uniqueness of noncontextual models for stabilizer subtheories

David Schmid, Haoxing Du, John H. Selby, Matthew F. Pusey

Phys. Rev. Lett. 129, 120403 (2022). arxiv link


28. A hierarchy of semidefinite programs for generalised Einstein-Podolsky-Rosen scenarios

Matty J. Hoban, Tom Drescher, Ana Belén Sainz

arXiv:2208.09236 [quant-ph]


27. Linear Program for Testing Nonclassicality and an Open-Source Implementation

John H. Selby, Elie Wolfe, David Schmid, Ana Belén Sainz, Vinicius P. Rossi

Phys. Rev. Lett. 132, 050202 (2024). arxiv link


26. Decomposing all multipartite non-signalling channels via quasiprobabilistic mixtures of local channels in generalised probabilistic theories

Paulo J. Cavalcanti, John H. Selby, Jamie Sikora, Ana Belén Sainz

J. Phys. A: Math. Theor. 55, 404001 (2022). arxiv link


25. Remarks about Bell-nonclassicality of a single photon

Tamoghna Das, Marcin Karczewski, Antonio Mandarino, Marcin Markiewicz, Bianka Woloncewicz, Marek Żukowski

Physics Letters A 435, 128031 (2022).  pdf


24. Avenues to generalising Bell inequalities

Marcin Karczewski, Giovanni Scala, Antonio Mandarino, Ana Belén Sainz, Marek Żukowski

J. Phys. A: Math. Theor. 55, 384011 (2022). arxiv link


23. On characterising assemblages in Einstein-Podolsky-Rosen scenarios

Vinicius P. Rossi, Matty J. Hoban, Ana Belén Sainz

J. Phys. A: Math. Theor. 55, 264002 (2022). arxiv link


22. Accessible fragments of generalized probabilistic theories, cone equivalence, and applications to witnessing nonclassicality

John H. Selby, David Schmid, Elie Wolfe, Ana Belén Sainz, Ravi Kunjwal, Robert W. Spekkens

Phys. Rev. A 107, 062203 (2023). arxiv link


21. Why interference phenomena do not capture the essence of quantum theory

Lorenzo Catani, Matthew Leifer, David Schmid, Robert W. Spekkens

Quantum 7, 1119 (2023). arxiv link


20. Quantifying EPR: the resource theory of nonclassicality of common-cause assemblages

Beata Zjawin, David Schmid, Matty J. Hoban, Ana Belén Sainz

Quantum 7, 926 (2023). arxiv link


19. Wave-particle complementarity: detecting violation of local realism with photon-number resolving weak-field homodyne measurements

Tamoghna Das, Marcin Karczewski, Antonio Mandarino, Marcin Markiewicz, Marek Żukowski

New J. Phys. 24, 033017 (2022). arxiv link


18. Restricted Hidden Cardinality Constraints in Causal Models

Beata Zjawin, Elie Wolfe, Robert W. Spekkens

Electronic Proceedings in Theoretical Computer Science 343, 119 (2021). arxiv link


17. Entropic Inequality Constraints from e-separation Relations in Directed Acyclic Graphs with Hidden Variables

 Noam Finkelstein, Beata Zjawin, Elie Wolfe, Ilya Shpitser, Robert W. Spekkens

37th Conference on Uncertainty in Artificial Intelligence, published at Proceedings of Machine Learning Research. arxiv link


16. Comment on `Single particle nonlocality with completely independent reference states'

Tamoghna Das, Marcin Karczewski, Antonio Mandarino, Marcin Markiewicz, Bianka Woloncewicz, Marek Żukowski

New J. Phys. 24, 038001 (2022). arxiv link


15. Contextuality without incompatibility

John H. Selby, David Schmid, Elie Wolfe, Ana Belén Sainz, Ravi Kunjwal, Robert W. Spekkens

Phys. Rev. Lett. 130, 230201 (2023). arxiv link


14. Post-quantum steering is a stronger-than-quantum resource for information processing

Paulo J. Cavalcanti, John H. Selby, Jamie Sikora, Thomas D. Galley, Ana Belén Sainz

npj Quantum Information volume 8, 76 (2022). arxiv link


13. Can single photon excitation of two spatially separated modes lead to a violation of Bell inequality via homodyne measurements?

Tamoghna Das, Marcin Karczewski, Antonio Mandarino, Marcin Markiewicz, Bianka Woloncewicz, Marek Żukowski

New Journal of Physics 23, 073042 (2021).  arxiv link


12. No-go for device independent protocols with Tan-Walls-Collett 'nonlocality of a single photon'

Tamoghna Das, Marcin Karczewski, Antonio Mandarino, Marcin Markiewicz, Bianka Woloncewicz, Marek Żukowski

 arXiv:2102.03254 [quant-ph]


11. Characterising and bounding the set of quantum behaviours in contextuality scenarios

Anubhav Chaturvedi, Máté Farkas, Victoria J Wright

Quantum 5, 484 (2021). arxiv link


10. Correlations constrained by composite measurements

John H. Selby, Ana Belén Sainz, Victor Magron, Łukasz Czekaj, Michał Horodecki

Quantum 7, 1080 (2023). arxiv link


9. Revisiting dynamics of quantum causal structures -- when can causal order evolve?

John H. Selby, Ana Belén Sainz, Paweł Horodecki

arXiv:2008.12757 [quant-ph]


8. General Probabilistic Theories with a Gleason-type Theorem

Victoria J Wright, Stefan Weigert

Quantum 5, 588 (2021). arxiv link


7. Borromean states in discrete-time quantum walks

Marcin Markiewicz, Marcin Karczewski, Pawel Kurzynski

Quantum 5, 523 (2021). arxiv link


6. Understanding the interplay of entanglement and nonlocality: motivating and developing a new branch of entanglement theory

David Schmid, Thomas C. Fraser, Ravi Kunjwal, Ana Belen Sainz, Elie Wolfe, Robert W. Spekkens

Quantum 7, 1194 (2023). arxiv link 


5. The complexity of compatible measurements

Paul Skrzypczyk, Matty J. Hoban, Ana Belén Sainz, Noah Linden

Physical Review Research 2, 023292 (2020). arxiv link


4.  Reference frames which separately store non-commuting conserved quantities

Sandu Popescu, Ana Belén Sainz, Anthony J. Short, Andreas Winter

Physical Review Letters 125, 090601 (2020). arxiv link


3.  Bipartite post-quantum steering in generalised scenarios

Ana Belén Sainz, Matty J. Hoban, Paul Skrzypczyk, Leandro Aolita

Physical Review Letters 125, 050404 (2020). arxiv link


2.  Quantifying Bell: The Resource Theory of Nonclassicality of Common-Cause Boxes

Elie Wolfe, David Schmid, Ana Belén Sainz, Ravi Kunjwal, Robert W. Spekkens

Quantum 4, 280 (2020). arxiv link


1.  Quantum violations in the Instrumental scenario and their relations to the Bell scenario

T. Van Himbeeck, J. Bohr Brask, S. Pironio, R. Ramanathan, A. B. Sainz, E. Wolfe 

Quantum 3, 186 (2019). arxiv link

Other publications as well, not necessarily on the research agenda !

Ana Belén Sainz

Quantum Science and Technology 7, 044004 (2022). Also at arXiv:2202.06867 [physics.soc-ph]


Luka Ursić, Godfrey Baldacchino, Željana Bašić, Ana Belén Sainz, Ivan Buljan, Miriam Hampel, Ivana Kružić, Mia Majić, Ana Marušić, Franck Thetiot, Ružica Tokalić, Leandra Vranješ Markić. 

Sustainability 14(15), 9306 (2022)