Perimeter Institute for Theoretical Physics

Postdoctoral Researcher

Areas of research: Fondements Quantiques

(519) 569-7600 x5424

Recent Publications
  • Zhang, Y., Schmid, D., Ying, Y., & Spekkens, R. W. (2025). Reassessing the boundary between classical and nonclassical for individual quantum processes. arxiv:2503.05884v1
  • Schmid, D. (2025). Noncontextual ontological models of operational probabilistic theories. doi:10.48550/arXiv.2502.11842
  • Schmid, D., Baldijão, R. D., Ying, Y., Wagner, R., & Selby, J. H. (2024). Kirkwood-Dirac representations beyond quantum states and their relation to noncontextuality. Physical Review A, 110(5), 052206. doi:10.1103/physreva.110.052206
  • Ying, Y., Ansanelli, M. M., Di Biagio, A., Wolfe, E., Schmid, D., & Cavalcanti, E. G. (n.d.). Relating Wigner's Friend Scenarios to Nonclassical Causal Compatibility, Monogamy Relations, and Fine Tuning. Quantum, 8, 1485. doi:10.22331/q-2024-09-26-1485
  • Schmid, D., Selby, J. H., Rossi, V. P., Baldijão, R. D., & Sainz, A. B. (2024). Shadows and subsystems of generalized probabilistic theories: when tomographic incompleteness is not a loophole for contextuality proofs. doi:10.48550/arxiv.2409.13024
  • Walleghem, L., Ying, Y., Wagner, R., & Schmid, D. (2024). Connecting extended Wigner's friend arguments and noncontextuality. doi:10.48550/arxiv.2409.07537
  • Centeno, D., Erba, M., Schmid, D., Selby, J. H., Spekkens, R. W., Soltani, S., . . . Ying, Y. (2024). Twirled worlds: symmetry-induced failures of tomographic locality. doi:10.48550/arxiv.2407.21688
  • Schmid, D., Baldijão, R. D., Selby, J. H., Sainz, A. B., & Spekkens, R. W. (2024). Noncontextuality inequalities for prepare-transform-measure scenarios. doi:10.48550/arxiv.2407.09624
  • Schmid, D., Baldijão, R. D., Ying, Y., Wagner, R., & Selby, J. H. (2024). Kirkwood-Dirac representations beyond quantum states (and their relation to noncontextuality). doi:10.48550/arxiv.2405.04573
  • Schmid, D., Selby, J. H., Pusey, M. F., & Spekkens, R. W. (n.d.). A structure theorem for generalized-noncontextual ontological models. Quantum, 8, 1283. doi:10.22331/q-2024-03-14-1283
  • Selby, J. H., Wolfe, E., Schmid, D., Sainz, A. B., & Rossi, V. P. (2024). Linear Program for Testing Nonclassicality and an Open-Source Implementation. Physical Review Letters, 132(5), 050202. doi:10.1103/physrevlett.132.050202
  • Schmid, D., Selby, J. H., & Spekkens, R. W. (2024). Addressing some common objections to generalized noncontextuality. Physical Review A, 109(2), 022228. doi:10.1103/physreva.109.022228
  • Schmid, D. (n.d.). A review and reformulation of macroscopic realism: resolving its deficiencies using the framework of generalized probabilistic theories. Quantum, 8, 1217. doi:10.22331/q-2024-01-03-1217
  • Schmid, D., Fraser, T. C., Kunjwal, R., Sainz, A. B., Wolfe, E., & Spekkens, R. W. (n.d.). Understanding the interplay of entanglement and nonlocality: motivating and developing a new branch of entanglement theory. Quantum, 7, 1194. doi:10.22331/q-2023-12-04-1194
  • Walleghem, L., Wagner, R., Ying, Y., & Schmid, D. (2023). Extended Wigner's friend paradoxes do not require nonlocal correlations. doi:10.48550/arxiv.2310.06976
  • Zjawin, B., Schmid, D., Hoban, M. J., & Sainz, A. B. (n.d.). The resource theory of nonclassicality of channel assemblages. Quantum, 7, 1134. doi:10.22331/q-2023-10-10-1134
  • Catani, L., Leifer, M., Schmid, D., & Spekkens, R. W. (n.d.). Why interference phenomena do not capture the essence of quantum theory. Quantum, 7, 1119. doi:10.22331/q-2023-09-25-1119
  • Rossi, V. P., Schmid, D., Selby, J. H., & Sainz, A. B. (2023). Contextuality with vanishing coherence and maximal robustness to dephasing. Physical Review A, 108(3), 032213. doi:10.1103/physreva.108.032213
  • Schmid, D., Ying, Y., & Leifer, M. (2023). A review and analysis of six extended Wigner's friend arguments. doi:10.48550/arxiv.2308.16220
  • Catani, L., Leifer, M., Scala, G., Schmid, D., & Spekkens, R. W. (2023). Aspects of the phenomenology of interference that are genuinely nonclassical. Physical Review A, 108(2), 022207. doi:10.1103/physreva.108.022207
  • Selby, J. H., Schmid, D., Wolfe, E., Sainz, A. B., Kunjwal, R., & Spekkens, R. W. (2023). Contextuality without Incompatibility. Physical Review Letters, 130(23), 230201. doi:10.1103/physrevlett.130.230201
  • Selby, J. H., Schmid, D., Wolfe, E., Sainz, A. B., Kunjwal, R., & Spekkens, R. W. (2023). Accessible fragments of generalized probabilistic theories, cone equivalence, and applications to witnessing nonclassicality. Physical Review A, 107(6), 062203. doi:10.1103/physreva.107.062203
  • Zjawin, B., Schmid, D., Hoban, M. J., & Sainz, A. B. (n.d.). Quantifying EPR: the resource theory of nonclassicality of common-cause assemblages. Quantum, 7, 926. doi:10.22331/q-2023-02-16-926
  • Schmid, D., Selby, J. H., & Spekkens, R. W. (2023). Addressing some common objections to generalized noncontextuality. doi:10.48550/arxiv.2302.07282
  • Rossi, V. P., Schmid, D., Selby, J. H., & Sainz, A. B. (2022). Contextuality with vanishing coherence and maximal robustness to dephasing. doi:10.48550/arxiv.2212.06856
  • Catani, L., Leifer, M., Scala, G., Schmid, D., & Spekkens, R. W. (2022). What is Nonclassical about Uncertainty Relations?. Physical Review Letters, 129(24), 240401. doi:10.1103/physrevlett.129.240401
  • Schmid, D. (2022). A review and reformulation of macroscopic realism: resolving its deficiencies using the framework of generalized probabilistic theories. doi:10.48550/arxiv.2209.11783
  • Schmid, D., Du, H., Selby, J. H., & Pusey, M. F. (2022). Uniqueness of Noncontextual Models for Stabilizer Subtheories. Physical Review Letters, 129(12), 120403. doi:10.1103/physrevlett.129.120403
  • Catani, L., Leifer, M., Schmid, D., & Spekkens, R. W. (2022). Reply to "Comment on 'Why interference phenomena do not capture the essence of quantum theory' ". doi:10.48550/arxiv.2207.11791