Quantum information meets high-energy physics: input to the update of the European strategy for particle physics
Y. Afik, F. Fabbri, Matthew Low, Luca Marzola, J. A. Aguilar–Saavedra, Mohammad Mahdi Altakach, Nedaa Alexandra Asbah, Y. Bai, Hannah Banks, A. J. Barr, Alexander Bernal, T. E. Browder, Paweł Caban, J.A. Casas, Kun Cheng, F. Déliot, R. Demina, Antonio Di Domenico, Michał Eckstein, M. Fabbrichesi, Benjamin Fuks, Emidio Gabrielli, Dorival Gonçalves, R. P. Grabarczyk, Michele Grossi, Tao Han, T. J. Hobbs, Paweł Horodecki, James Howarth, Shih-Chieh Hsu, S. Jiggins, E. Jones, Andreas W. Jung, A. Knue, S. Korn, T. Lagouri, Priyanka Lamba, Gabriel T. Landi, Haifeng Li, Q. Li, Ian Low, Fabio Maltoni, J. A. Mcfayden, Navin McGinnis, Roberto A. Morales, J. M. Moreno, Juan Ramón Muñoz de Nova, G. Negro, Davide Pagani, Giovanni Pelliccioli, Michele Pinamonti, L. Pintucci, B. Ravina, Alim Ruzi, Kazuki Sakurai, E. L. Simpson, M. Sioli, Shufang Su, Sokratis Trifinopoulos, S. Vahsen, Sofia Vallecorsa, Alessandro Vicini, M. Vos, Eleni Vryonidou, Chris D. White, M. J. White, Andrew Wildridge, Tong Arthur Wu, L. Zani, Yulei Zhang, K. Zoch
Abstract
Some of the most astonishing and prominent properties of Quantum Mechanics, such as entanglement and Bell nonlocality, have only been studied extensively in dedicated low-energy laboratory setups. The feasibility of these studies in the high-energy regime explored by particle colliders was only recently shown and has gathered the attention of the scientific community. For the range of particles and fundamental interactions involved, particle colliders provide a novel environment where quantum information theory can be probed, with energies exceeding by about 12 orders of magnitude those employed in dedicated laboratory setups. Furthermore, collider detectors have inherent advantages in performing certain quantum information measurements and allow for the reconstruction of the state of the system under consideration via quantum state tomography. Here, we elaborate on the potential, challenges, and goals of this innovative and rapidly evolving line of research and discuss its expected impact on both quantum information theory and high-energy physics.