Multi-Neutrino Entanglement and Correlations in Dense Neutrino Systems

The time-evolution of multi-neutrino entanglement and correlations are studied in two-flavor collective neutrino oscillations, relevant for dense neutrino environments, building upon previous works. Specifically, simulations performed of systems with up to 12 neutrinos using Quantinuum’s H1-1 20 qubit trapped-ion quantum computer are used to compute n-tangles, and two- and three-body correlations, probing beyond mean-field descriptions. n-tangle re-scalings are found to converge for large system sizes.

This work was supported in part by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics, InQubator for Quantum Simulation (IQuS) (https:// iqus.uw.edu) under Award Number DOE (NP) Award DE-SC0020970 (Savage), and the Quantum Science Center (QSC) (https://qscience.org), a National Quantum Information Science Research Center of the U.S. Department of Energy (DOE) (Illa). This work is also supported, in part, through the Department of Physics (https://phys.washington.edu) and the College of Arts and Sciences (https://www.artsci.washington. edu) at the University of Washington. This research used resources of the Oak Ridge Leadership Computing Facility, which is a DOE Office of Science User Facility supported under Contract DE-AC05-00OR22725.