Show abstracts

Preprints
  1. David Schmid, Thomas C. Fraser, Ravi Kunjwal, Ana Belen Sainz, Elie Wolfe, Robert W. Spekkens
    Why standard entanglement theory is inappropriate for the study of Bell scenarios
    [arXiv:2004.09194 (quant-ph)]

  2. Tomáš Gonda, Robert W. Spekkens
    Monotones in General Resource Theories
    [arXiv:1912.07085 (quant-ph)]

  3. David Schmid, John Selby, Elie Wolfe, Ravi Kunjwal, Robert W. Spekkens
    The Characterization of Noncontextuality in the Framework of Generalized Probabilistic Theories
    [arXiv:1911.10386 (quant-ph)]

  4. Robert W. Spekkens
    The ontological identity of empirical indiscernibles: Leibniz's methodological principle and its significance in the work of Einstein
    [arXiv:1909.04628 (physics.hist-ph)]

  5. Elie Wolfe, David Schmid, Ana Belen Sainz, Ravi Kunjwal, Robert W. Spekkens
    Bell Quantified: The Resource Theory of Nonclassicality of Common-Cause Boxes
    [arXiv:1903.06311 (quant-ph)]

  6. 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
    [arXiv:1710.05948 (quant-ph)]

  7. Iman Marvian and Robert W. Spekkens
    An information-theoretic account of the Wigner-Araki-Yanase theorem
    [arXiv:1212.3378 (quant-ph)]
Articles
  1. 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)]

  2. 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)]

  3. 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)]

  4. 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)]

  5. David Schmid and Robert W. Spekkens
    Contextual advantage for state discrimination
    Phys. Rev. X 8, 011015 (2018)
    [arXiv:1706.04588 (quant-ph)]

  6. 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)]

  7. 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)]

  8. 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)]

  9. 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)]

  10. 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)]

  11. 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)]

  12. 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)]

  13. 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)]

  14. 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)]

  15. 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)]

  16. 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)]

  17. 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)]

  18. 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)]

  19. Bob Coecke, Tobias Fritz and Robert W. Spekkens
    A mathematical theory of resources
    Information and Computation 250, 59 (2016).
    [arXiv:1409.5531 (quant-ph)]

  20. 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)]

  21. 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)]

  22. 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)]

  23. 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)]

  24. 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)]

  25. 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)]

  26. 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)]

  27. 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)]

  28. 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)]

  29. 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)]

  30. 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)]

  31. 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)]

  32. 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)]

  33. 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)]

  34. Iman Marvian and Robert W. Spekkens
    Asymmetry properties of pure quantum states
    Phys. Rev. A 90, 014102 (2014)
    [arXiv:1105.1816 (quant-ph)]

  35. Bob Coecke and Robert W. Spekkens
    Picturing classical and quantum Bayesian inference
    Synthese 186, 651 (2012)
    [arXiv:1102.2368 (quant-ph)]

  36. 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)]

  37. Lucien Hardy and Robert Spekkens
    Why Physics Needs Quantum Foundations
    Physics in Canada 66, 73 (2010)
    [arXiv:1003.5008 (quant-ph)]

  38. 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)]

  39. 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)]

  40. 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)]

  41. 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)]

  42. 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)

  43. 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)]

  44. 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)]

  45. Robert W. Spekkens
    Negativity and contextuality are equivalent notions of nonclassicality
    Phys. Rev. Lett. 101, 020401 (2008)
    [arXiv:0710.5549v1 (quant-ph)]

  46. 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)]

  47. Robert W. Spekkens and H. M. Wiseman
    Pooling quantum states obtained by indirect measurements
    Phys. Rev. A 75, 042104 (2007)
    [arXiv:quant-ph/0612190]

  48. 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]

  49. 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]

  50. 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]

  51. 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]

  52. 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]

  53. 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]

  54. 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]

  55. 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]

  56. 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]

  57. 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]

  58. 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]

  59. R. W. Spekkens
    Contextuality for preparations, transformations, and unsharp measurements
    Phys. Rev. A 71, 052108 (2005)
    [arXiv:quant-ph/0406166]

  60. Robert W. Spekkens
    Evidence for the epistemic view of quantum states: a toy theory
    Phys. Rev. A 75, 032110 (2007)
    [arXiv:quant-ph/0401052]

  61. Terry Rudolph and Robert W. Spekkens
    Quantum State Targeting
    Phys. Rev. A 70, 052306 (2004)
    [arXiv:quant-ph/0310060]

  62. 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]

  63. 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]

  64. Terry Rudolph, Robert W. Spekkens, Peter S. Turner
    Unambiguous discrimination of mixed states
    Phys. Rev. A 68, 010301(R) (2003)
    [arXiv:quant-ph/0303071]

  65. 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]

  66. R. W. Spekkens and Terry Rudolph
    Quantum protocol for cheat-sensitive weak coin flipping
    Phys. Rev. Lett. 89, 227901 (2002)
    [arXiv:quant-ph/0202118]

  67. 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]

  68. 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]

  69. 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]

  70. 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]

  71. 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]