Attività di ricerca

Quantum information, quantum correlations, causality in quantum theory, higher-order quantum operations, Bell nonlocality, quantum steering, entanglement, measurement incompatibility, quantum discrimination tasks, and Semidefinite Programming.

HDR : Quantum information processing via higher-order operations.

Pubblicazioni 2021-2025

• 2025
  • V. Brzić, S. Yoshida, M. Murao, M. Quintino : “Higher-order quantum computing with known input states”, (2025)
  • J. Bavaresco, H. Kristjánsson, M. Murao, T. Odake, M. Quintino, Ph. Taranto, S. Yoshida : “Simulating the quantum switch with quantum circuits is computationally hard”, Nature Communications, vol. 16, pp. 10216, (Nature Publishing Group) (2025)
  • M. Plávala, O. Gühne, M. Quintino : “All incompatible measurements on qubits lead to multiparticle Bell nonlocality”, Physical Review Letters, vol. 134 (20), pp. 200201, (American Physical Society) (2025)
  • S. Egelhaaf, J. Pauwels, M. Túlio Quintino, R. Uola : “Certifying measurement incompatibility in prepare-and-measure and Bell scenarios”, Journal of Physics A: Mathematical and Theoretical, vol. 58 (9), pp. 095304, (IOP Publishing) (2025)
  • C. Vieira, C. De Gois, P. Lauand, L. Antunes Porto, S. Designolle, M. Quintino : “Can outcome communication explain Bell nonlocality?”, (2025)
  • Ph. Taranto, S. Milz, M. Murao, M. Quintino, K. Modi : “Higher-Order Quantum Operations”, (2025)
  • L. Antunes Porto, S. Designolle, S. Pokutta, M. Quintino : “Measurement incompatibility and quantum steering via linear programming”, (2025)
  • L. Tendick, C. Budroni, M. Quintino : “Strict hierarchy between $n$-wise measurement simulability, compatibility structures, and multi-copy compatibility”, (2025)
• 2024
  • E. Polino, L. Villegas‑Aguilar, D. Poderini, N. Walk, F. Ghafari, M. Quintino, A. Lyasota, S. Rogge, R. Chaves, Geoff J. Pryde, Eric G. Cavalcanti, N. Tischler, S. Slussarenko : “Experimental quantum randomness enhanced by a quantum network”, (2024)
  • Ties‑A. Ohst, Sh. Zhang, H. Nguyen, M. Plávala, M. Quintino : “Characterising memory in quantum channel discrimination via constrained separability problems”, (2024)
  • F. Grosshans, M. Horodecki, M. Murao, T. Młynik, M. Quintino, M. Studziński, S. Yoshida : “Multicopy quantum state teleportation with application to storage and retrieval of quantum programs”, (2024)
  • S. Milz, M. Quintino : “Characterising transformations between quantum objects, ‘completeness’ of quantum properties, and transformations without a fixed causal order”, Quantum, vol. 8, pp. 1415, (Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften) (2024)
  • T. Strömberg, P. Schiansky, M. Quintino, M. Antesberger, L. Rozema, I. Agresti, Č. Brukner, Ph. Walther : “Experimental superposition of a quantum evolution with its time reverse”, Physical Review Research, vol. 6 (2), pp. 023071, (American Physical Society) (2024)
  • L. Villegas‑Aguilar, E. Polino, F. Ghafari, M. Quintino, K. Laverick, I. Berkman, S. Rogge, L. Shalm, N. Tischler, E. Cavalcanti, S. Slussarenko, G. Pryde : “Nonlocality activation in a photonic quantum network”, Nature Communications, vol. 15, pp. 3112, (Nature Publishing Group) (2024)
  • H. Kristjánsson, T. Odake, S. Yoshida, Ph. Taranto, J. Bavaresco, M. Quintino, M. Murao : “Exponential separation in quantum query complexity of the quantum switch with respect to simulations with standard quantum circuits”, (2024)
• 2023
  • Q. Dong, M. Quintino, A. Soeda, M. Murao : “The quantum switch is uniquely defined by its action on unitary operations”, Quantum, vol. 7, pp. 1169, (Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften) (2023)
  • M. Renner, M. Quintino : “The minimal communication cost for simulating entangled qubits”, Quantum, vol. 7, pp. 1149, (Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften) (2023)
  • Ph. Taranto, M. Quintino, M. Murao, S. Milz : “Characterising the Hierarchy of Multi-time Quantum Processes with Classical Memory”, Quantum, vol. 8, pp. 1328, (Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften) (2023)
  • A. Cabello, M. Quintino, M. Kleinmann : “Logical possibilities for physics after MIP*=RE”, (2023)
  • M. Antesberger, M. Quintino, Ph. Walther, L. Rozema : “Higher-order Process Matrix Tomography of a passively-stable Quantum SWITCH”, PRX Quantum, vol. 5 (1), pp. 010325, (APS Physics) (2023)
  • D. Ebler, M. Horodecki, M. Marciniak, T. Młynik, M. Quintino, M. Studziński : “Optimal universal quantum circuits for unitary complex conjugation”, IEEE Transactions on Information Theory, vol. 69 (8), (Institute of Electrical and Electronics Engineers) (2023)
  • M. Renner, A. Tavakoli, M. Quintino : “Classical Cost of Transmitting a Qubit”, Physical Review Letters, vol. 130 (12), pp. 120801, (American Physical Society) (2023)
  • E.‑C. Boghiu, F. Hirsch, P.‑Sh. Lin, M. Quintino, J. Bowles : “Device-independent and semi-device-independent entanglement certification in broadcast Bell scenarios”, SciPost Physics Core, vol. 6 (2), pp. 028, (SciPost Foundation) (2023)
• 2022
  • T. Strömberg, P. Schiansky, R. Peterson, M. Quintino, Ph. Walther : “Demonstration of a quantum SWITCH in a Sagnac configuration”, Physical Review Letters, vol. 131 (6), pp. 060803, (American Physical Society) (2022)
• 2021
  • A. Sohbi, D. Markham, J. Kim, M. Quintino : “Certifying dimension of quantum systems by sequential projective measurements”, Quantum, vol. 5, pp. 472, (Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften) (2021)