-
David Schmid, John H. Selby, Robert W. Spekkens
Addressing some common objections to generalized noncontextuality
Phys. Rev. A 109, 022228 (2024)
[arXiv:2302.07282 (quant-ph)]
-
Lorenzo Catani, Matthew Leifer, Giovanni Scala, David Schmid, Robert W. Spekkens
Aspects of the phenomenology of interference that are genuinely nonclassical
Phys. Rev. A 108, 022207 (2023)
[arXiv:2211.09850 (quant-ph)]
-
Polino, Poderini, Rodari, Agresti, Suprano, Carvacho, Wolfe, Canabarro, Moreno, Milani, Spekkens, Chaves, Sciarino
Experimental nonclassicality in a causal network without assuming freedom of choice
Nature Communications 14, 909 (2023)
[arXiv:2210.07263 (quant-ph)]
-
Lorenzo Catani, Matthew Leifer, Giovanni Scala, David Schmid, Robert W. Spekkens
What is nonclassical about uncertainty relations?
Phys. Rev. Lett. 129, 240401 (2022)
[arXiv:2207.11779 (quant-ph)]
-
John H. Selby, David Schmid, Elie Wolfe, Ana Belén Sainz, Ravi Kunjwal, Robert W. Spekkens
Accessible fragments of generalized probabilistic theories, cone equivalence, and applications to witnessing nonclassicality
Phys. Rev. A 107, 062203 (2023)
[arXiv:2112.04521 (quant-ph)]
-
Lorenzo Catani, Matthew Leifer, David Schmid, Robert W. Spekkens
Why interference phenomena do not capture the essence of quantum theory
Quantum 7, 1119 (2023)
[arXiv:2111.13727 (quant-ph)]
-
Beata Zjawin, Elie Wolfe, Robert W. Spekkens
Restricted Hidden Cardinality Constraints in Causal Models
Electronic Proceedings in Theoretical Computer Science 343, 119 (2021)
[arXiv:2109.05656 (math.ST)]
-
Michael Grabowecky, Christopher Pollack, Andrew Cameron, Robert Spekkens, Kevin Resch
Experimentally bounding deviations from quantum theory for a photonic three-level system using theory-agnostic tomography
Phys. Rev. A 105, 032204 (2022)
[arXiv:2108.05864 (quant-ph)]
-
Patrick J. Daley, Kevin J. Resch, Robert W. Spekkens
Experimentally adjudicating between different causal accounts of Bell inequality violations via statistical model selection
Phys. Rev. A 105, 042220 (2022)
[arXiv:2108.00053 (quant-ph)]
-
Noam Finkelstein, Beata Zjawin, Elie Wolfe, Ilya Shpitser, Robert W. Spekkens
Entropic Inequality Constraints from e-separation Relations in Directed Acyclic Graphs with Hidden Variables
Proceedings of the Thirty-Seventh Conference on Uncertainty in Artificial Intelligence, Proceedings of Machine Learning Research 161, 1045 (2021)
[arXiv:2107.07087 (stat)]
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John H. Selby, David Schmid, Elie Wolfe, Ana Belen Sainz, Ravi Kunjwal, Robert W. Spekkens
Contextuality without incompatibility
Phys. Rev. Lett. 130, 230201 (2023)
[arXiv:2106.09045 (quant-ph)]
-
R. Chaves, G. Moreno, E. Polino, D. Poderini, I. Agresti, A. Suprano, M. R. Barros, G. Carvacho, E. Wolfe, A. Canabarro, R. W. Spekkens, F. Sciarrino
Causal networks and freedom of choice in Bell's theorem
Phys. Rev. X Quantum 2 040323 (2021)
[arXiv:2105.05721 (quant-ph)]
-
David Schmid, John H. Selby, Matthew F. Pusey, and Robert W. Spekkens
A structure theorem for generalized-noncontextual ontological models
Quantum 8, 1283 (2024)
[arXiv:2005.07161 (quant-ph)]
-
David Schmid, Thomas C. Fraser, Ravi Kunjwal, Ana Belen Sainz, Elie Wolfe, Robert W. Spekkens
Understanding the interplay of entanglement and nonlocality: motivating and developing a new branch of entanglement theory
Quantum 7, 1194 (2023)
[arXiv:2004.09194 (quant-ph)]
-
Tomáš Gonda, Robert W. Spekkens
Monotones in General Resource Theories
Compositionality 5, issue 7 (2023)
[arXiv:1912.07085 (quant-ph)]
-
David Schmid, John Selby, Elie Wolfe, Ravi Kunjwal, Robert W. Spekkens
The Characterization of Noncontextuality in the Framework of Generalized Probabilistic Theories
Phys. Rev. X Quantum 2, 010331 (2021)
[arXiv:1911.10386 (quant-ph)]
-
Elie Wolfe, David Schmid, Ana Belen Sainz, Ravi Kunjwal, Robert W. Spekkens
Quantifying Bell: the Resource Theory of Nonclassicality of Common-Cause Boxes
Quantum 4, 280 (2020)
[arXiv:1903.06311 (quant-ph)]
-
Iman Marvian, Robert W. Spekkens
A no-broadcasting theorem for quantum asymmetry and coherence and a trade-off relation for approximate broadcasting
Phys. Rev. Lett 123, 020404 (2019)
[arXiv:1812.08766 (quant-ph)]
-
David Schmid, Katja Ried, and Robert W. Spekkens
Why initial system-environment correlations do not imply the failure of complete positivity: a causal perspective
Phys. Rev. A 100, 022112 (2019)
[arXiv:1806.02381 (quant-ph)]
-
David Schmid, Robert W. Spekkens, Elie Wolfe
All the noncontextuality inequalities for arbitrary prepare-and-measure experiments with respect to any fixed sets of operational equivalences
Phys. Rev. A 97, 062103 (2018)
[arXiv:1710.08434 (quant-ph)]
-
Michael D. Mazurek, Matthew F. Pusey, Kevin J. Resch, Robert W. Spekkens
Experimentally bounding deviations from quantum theory in the landscape of generalized probabilistic theories
Phys. Rev. X Quantum 2, 020302 (2021)
[arXiv:1710.05948 (quant-ph)]
-
Ravi Kunjwal and Robert W. Spekkens
From statistical proofs of the Kochen-Specker theorem to noise-robust noncontextuality inequalities
Phys. Rev. A 97, 052110 (2018)
[arXiv:1708.04793 (quant-ph)]
-
David Schmid and Robert W. Spekkens
Contextual advantage for state discrimination
Phys. Rev. X 8, 011015 (2018)
[arXiv:1706.04588 (quant-ph)]
-
Katja Ried, Jean-Philippe W. MacLean, Robert W. Spekkens, Kevin J. Resch
Quantum to classical transitions in causal relations
Phys. Rev. A 95, 062102 (2017)
[arXiv:1707.06131 (quant-ph)]
-
Anirudh Krishna, Robert W. Spekkens, and Elie Wolfe
Deriving robust noncontextuality inequalities from algebraic proofs of the Kochen-Specker theorem: the Peres-Mermin square
New J. Phys. 19, 123031 (2017)
[arXiv:1704.01153 (quant-ph)]
-
Dax Enshan Koh, Mark D. Penney, and Robert W. Spekkens
Computing quopit Clifford circuit amplitudes by the sum-over-paths technique
Quantum Inf. Comput. 17 (13-14) 1081-1095 (2017)
[arXiv:1702.03316 (quant-ph)]
-
John-Mark A. Allen, Jonathan Barrett, Dominic C. Horsman, Ciaran M. Lee, and Robert W. Spekkens
Quantum common causes and quantum causal models
Phys. Rev. X 7, 031021 (2017)
[arXiv:1609.09487 (quant-ph)]
-
Elie Wolfe, Robert W. Spekkens, and Tobias Fritz
The Inflation Technique for Causal Inference with Latent Variables
J. Causal Inference 7(2), (2019)
[arXiv:1609.00672 (quant-ph)]
-
Dominic Horsman, Chris Heunen, Matthew F. Pusey, Jonathan Barrett, Robert W. Spekkens
Can a quantum state over time resemble a quantum state at a single time?
Proc. R. Soc. A 473(2205), p. 20170395 (2017)
[arXiv:1607.03637 (quant-ph)]
-
Jean-Philippe W. MacLean, Katja Ried, Robert W. Spekkens, Kevin J. Resch
Quantum-coherent mixtures of causal relations
Nat. Commun. 8, 15149 (2017)
[arXiv:1606.04523 (quant-ph)]
-
Mark D. Penney, Dax Enshan Koh, and Robert W. Spekkens
Quantum circuit dynamics via path integrals: Is there a classical action for discrete-time paths?
New J. Phys. 19, 073006 (2017)
[arXiv:1604.07452 (quant-ph)]
-
Iman Marvian and Robert W. Spekkens
How to quantify coherence: distinguishing speakable and unspeakable notions
Phys. Rev. A 94, 052324 (2016)
[arXiv:1602.08049 (quant-ph)]
-
Iman Marvian, Robert W. Spekkens, and Paolo Zanardi
Quantum speed limits, coherence and asymmetry
Phys. Rev. A 93, 052331 (2016)
[arXiv:1510.06474 (quant-ph)]
-
Ravi Kunjwal and Robert W. Spekkens
From the Kochen-Specker theorem to noncontextuality inequalities without assuming determinism
Phys. Rev. Lett. 115, 110403 (2015)
[arXiv:1506.04150 (quant-ph)]
-
Ciaran M. Lee and Robert W. Spekkens
Causal inference via algebraic geometry: feasibility tests for functional causal structures with two binary observed variables
J. Causal Inference 5(2) (2017)
[arXiv:1506.03880 (stat.ML)]
-
Michael D. Mazurek, Matthew F. Pusey, Ravi Kunjwal, Kevin J. Resch, Robert W. Spekkens
An experimental test of noncontextuality without unphysical idealizations
Nat. Commun. 7, 11780 (2016)
[arXiv:1505.06244 (quant-ph)]
-
Bob Coecke, Tobias Fritz and Robert W. Spekkens
A mathematical theory of resources
Information and Computation 250, 59 (2016).
[arXiv:1409.5531 (quant-ph)]
-
Robert W. Spekkens
Quasi-quantization: classical statistical theories with an epistemic restriction
Published in book "Quantum Theory: Informational foundations and foils", eds. G. Chiribella and R. W. Spekkens, Springer (2016)
[arXiv:1409.5041 (quant-ph)]
-
Katja Ried, Megan Agnew, Lydia Vermeyden, Dominik Janzing, Robert W. Spekkens, Kevin J. Resch
A quantum advantage for inferring causal structure
Nature Physics 11, 414 (2015)
[arXiv:1406.5036 (quant-ph)]
-
Iman Marvian and Robert W. Spekkens
Extending Noether's theorem by quantifying the asymmetry of quantum states
Nature Communications 5, 3821 (2014)
[arXiv:1404.3236 (quant-ph)]
-
Robert W. Spekkens
The status of determinism in proofs of the impossibility of a noncontextual model of quantum theory
Found. Phys. 44, 1125 (2014)
[arXiv: 1312.3667 (quant-ph)]
-
Iman Marvian and Robert W. Spekkens
Modes of asymmetry: the application of harmonic analysis to symmetric quantum dynamics and quantum reference frames
Phys. Rev. A 90, 062110 (2014)
[arXiv:1312.0680 (quant-ph)]
-
M. S. Leifer and Robert W. Spekkens
Towards a formulation of quantum theory as a causally neutral theory of Bayesian inference
Phys. Rev. A 88, 052130 (2013)
[arXiv:1107.5849 (quant-ph)]
-
Gilad Gour, Markus P. Muller, Varun Narasimhachar, Robert W. Spekkens, Nicole Yunger Halpern
The resource theory of informational nonequilibrium in thermodynamics
Phys. Rep. 583, 1 (2015)
[arXiv:1309.6586 (quant-ph)]
-
Iman Marvian and Robert W. Spekkens
The theory of manipulations of pure state asymmetry I: basic tools and equivalence classes of states under symmetric operations
New J. Phys. 15, 033001 (2013)
[arXiv:1104.0018 (quant-ph)]
-
Robert W. Spekkens
The paradigm of kinematics and dynamics must yield to causal structure
In "Questioning the Foundations of Physics: Which of Our Fundamental Assumptions Are Wrong?" edited by A. Aguirre, B. Foster, and Z. Merali
[arXiv:1209.0023 (quant-ph)]
-
Christopher J. Wood and Robert W. Spekkens
The lesson of causal discovery algorithms for quantum correlations: Causal explanations of Bell-inequality violations require fine-tuning
New J. Phys. 17, 033002 (2015)
[arXiv:1208.4119 (quant-ph)]
-
Iman Marvian and Robert W. Spekkens
A generalization of Schur-Weyl duality with applications in quantum estimation
Comm. Math. Phys. 331, 431 (2014)
[arXiv:1112.0638 (quant-ph)]
-
Stephen D. Bartlett, Terry Rudolph, Robert W. Spekkens
Reconstruction of Gaussian quantum mechanics from Liouville mechanics with an epistemic restriction
Phys. Rev. A 86, 012103 (2012)
[arXiv:1111.5057 (quant-ph)]
-
Fernando G. S. L. Brandao, Michal Horodecki, Jonathan Oppenheim, Joseph M. Renes, Robert W. Spekkens
Resource Theory of Quantum States Out of Thermal Equilibrium
Phys. Rev. Lett. 111, 250404 (2013)
[arXiv:1111.3882 (quant-ph)]
-
M. S. Leifer and Robert W. Spekkens
A Bayesian approach to compatibility, improvement, and pooling of quantum states
J. Phys. A: Math. Theor. 47 , 275301 (2014)
[arXiv:1110.1085 (quant-ph)]
-
Iman Marvian and Robert W. Spekkens
Asymmetry properties of pure quantum states
Phys. Rev. A 90, 014102 (2014)
[arXiv:1105.1816 (quant-ph)]
-
Bob Coecke and Robert W. Spekkens
Picturing classical and quantum Bayesian inference
Synthese 186, 651 (2012)
[arXiv:1102.2368 (quant-ph)]
-
Yeong-Cherng Liang, Robert W. Spekkens, Howard M. Wiseman
Specker's Parable of the Over-protective Seer: A Road to Contextuality, Nonlocality and Complementarity
Physics Reports 506, 1 (2011)
[arXiv:1010.1273 (quant-ph)]
-
Lucien Hardy and Robert Spekkens
Why Physics Needs Quantum Foundations
Physics in Canada 66, 73 (2010)
[arXiv:1003.5008 (quant-ph)]
-
Bob Coecke, Bill Edwards, Robert W. Spekkens
Phase groups and the origin of non-locality for qubits
Electronic Notes in Theoretical Computer Science 270, 15 (2011)
[arXiv:1003.5005 (quant-ph)]
-
Howard Barnum, Jonathan Barrett, Lisa Orloff Clark, Matthew Leifer , Robert Spekkens, Nicholas Stepanik, Alex Wilce and Robin Wilke
Entropy and information causality in general probabilistic theories
New J. Phys. 12, 033024 (2010).
[arXiv:0909.5075 (quant-ph)]
-
Nicholas Harrigan and Robert W. Spekkens
Einstein, incompleteness, and the epistemic view of quantum states
Found. Phys. 40, 125 (2010)
[arXiv:0706.2661 (quant-ph)]
-
Gilad Gour, Iman Marvian and Robert W. Spekkens
Measuring the quality of a quantum reference frame: the relative entropy of frameness
Phys. Rev. A 80, 012307 (2009)
[arXiv:0901.0943 (quant-ph)]
-
Stephen D. Bartlett, Terry Rudolph, Robert W. Spekkens, and Peter S. Turner
Quantum communication using a bounded-size quantum reference frame
New J. Phys. 11 063013 (2009)
arXiv:0812.5040 (quant-ph)
-
Robert W. Spekkens, D. H. Buzacott, A. J. Keehn, Ben Toner, G. J. Pryde
Preparation Contextuality Powers Parity-Oblivious Multiplexing
Phys. Rev. Lett. 102 , 010401 (2009)
[arXiv:0805.1463 (quant-ph)]
-
Dennis Kretschmann, David W. Kribs and Robert W. Spekkens
Complementarity of Private and Correctable Subsystems in Quantum Cryptography and Error Correction
Phys. Rev. A 78, 032330 (2008)
[arXiv:0711.3438 (quant-ph)]
-
Robert W. Spekkens
Negativity and contextuality are equivalent notions of nonclassicality
Phys. Rev. Lett. 101, 020401 (2008)
[arXiv:0710.5549v1 (quant-ph)]
-
Gilad Gour and Robert W. Spekkens
The resource theory of quantum reference frames: manipulations and monotones
New J. Phys. 10, 033023 (2008)
[arXiv:0711.0043 (quant-ph)]
-
Robert W. Spekkens and H. M. Wiseman
Pooling quantum states obtained by indirect measurements
Phys. Rev. A 75, 042104 (2007)
[arXiv:quant-ph/0612190]
-
Stephen D. Bartlett, Terry Rudolph, and Robert W. Spekkens
Reference frames, superselection rules, and quantum information
Rev. Mod. Phys. 79, 555 (2007)
[arXiv:quant-ph/0610030]
-
Mark R. Dowling, Stephen D. Bartlett, Terry Rudolph, Robert W. Spekkens
Observing a coherent superposition of an atom and a molecule
Phys. Rev. A 74, 052113 (2006)
[arXiv:quant-ph/0606128]
-
David W. Kribs and Robert W. Spekkens
Quantum Error-Correcting Subsystems are Unitarily Recoverable Subsystems
Phys. Rev. A 74, 042329 (2006)
[arXiv:quant-ph/0608045]
-
Stephen D. Bartlett, Terry Rudolph, Robert W. Spekkens, and Peter S. Turner,
Degradation of a quantum reference frame
New J. Phys. 8, 58 (2006)
[arXiv:quant-ph/0602069]
-
Gilad Gour and Robert W. Spekkens
Entanglement of Assistance is not a bipartite measure nor a tripartite monotone
Phys. Rev. A 73, 062331 (2006)
[arXiv:quant-ph/0512139]
-
Jonathan Oppenheim, Robert W. Spekkens and Andreas Winter
A classical analogue of negative information
Accepted for publication in Phys. Rev. Lett but unpublished due to copyright dispute.
[arXiv:quant-ph/0511247]
-
Stephen D. Bartlett, Terry Rudolph and Robert W. Spekkens
Dialogue Concerning Two Views on Quantum Coherence: Factist and Fictionist
Int. J. Quantum Inf. 4, 17 (2006)
[arXiv:quant-ph/0507214]
-
Stephen D. Bartlett, Patrick Hayden and Robert W. Spekkens
Random subspaces for encryption based on a private shared Cartesian frame
Phys. Rev. A 72, 052329 (2005)
[arXiv:quant-ph/0506260]
-
M. S. Leifer and R. W. Spekkens
Pre- and Post-selection paradoxes and contextuality in quantum mechanics
Phys. Rev. Lett. 95, 200405 (2005)
[arXiv:quant-ph/0412178]
-
M. S. Leifer and R. W. Spekkens
Logical Pre- and Post-Selection paradoxes, measurement-disturbance and contextuality
Proceedings of QS 2004, Int. J. Theor. Phys. 44, 1977 (2005)
[arXiv:quant-ph/0412179]
-
Stephen D. Bartlett, Andrew C. Doherty, Robert W. Spekkens and H. M. Wiseman
Entanglement under restricted operations: Analogy to mixed-state entanglement
Phys. Rev. A 73, 022311 (2005)
[arXiv:quant-ph/0412158]
-
R. W. Spekkens
Contextuality for preparations, transformations, and unsharp measurements
Phys. Rev. A 71, 052108 (2005)
[arXiv:quant-ph/0406166]
-
Robert W. Spekkens
Evidence for the epistemic view of quantum states: a toy theory
Phys. Rev. A 75, 032110 (2007)
[arXiv:quant-ph/0401052]
-
J.-C. Boileau, D. Gottesman, R. Laflamme, D. Poulin, R.W. Spekkens
Robust polarization-based quantum key distribution over collective-noise channel
Phys. Rev. Lett. 92, 017901 (2004)
[arXiv:quant-ph/0306199]
-
Stephen D. Bartlett, Terry Rudolph, and Robert W. Spekkens
Optimal measurements for relative quantum information
Phys. Rev. A 70, 032321 (2004)
[arXiv:quant-ph/0310009]
-
Terry Rudolph and Robert W. Spekkens
Quantum State Targeting
Phys. Rev. A 70, 052306 (2004)
[arXiv:quant-ph/0310060]
-
Terry Rudolph, Robert W. Spekkens, Peter S. Turner
Unambiguous discrimination of mixed states
Phys. Rev. A 68, 010301(R) (2003)
[arXiv:quant-ph/0303071]
-
Stephen D. Bartlett, Terry Rudolph and R. W. Spekkens,
Classical and Quantum Communication without a Shared Reference Frame,
Phys. Rev. Lett. 91, 027901 (2003)
[arXiv:quant-ph/0302111]
-
R. W. Spekkens and Terry Rudolph
Quantum protocol for cheat-sensitive weak coin flipping
Phys. Rev. Lett. 89, 227901 (2002)
[arXiv:quant-ph/0202118]
-
R. W. Spekkens and T. Rudolph
Optimization of coherent attacks in generalizations of the BB84 quantum bit commitment protocol
Quantum Inform. Compu. 2, 66 (2002)
[arXiv:quant-ph/0107042]
-
R. W. Spekkens and T. Rudolph
Degrees of concealment and bindingness in quantum bit commitment protocols
Phys. Rev. A 65, 012310 (2001)
[arXiv:quant-ph/0106019]
-
R. W. Spekkens and J. E. Sipe
A Modal Interpretation of Quantum Mechanics Based on a Principle of Entropy Minimization
Found. Phys. 31, 1431 (2001)
[arXiv:quant-ph/0003092]
-
R. W. Spekkens and J. E. Sipe
Non-Orthogonal Core Projectors for Modal Interpretations of Quantum Mechanics
Found. Phys. 31, 1403 (2001).
[arXiv:quant-ph/0003092]
-
R. W. Spekkens and J. E. Sipe
Spatial fragmentation of a Bose-Einstein condensate in a double-well potential
Phys. Rev. A 59, 3868 (1999)
[arXiv:quant-ph/9810094]