Spectral splits and entanglement entropy in collective neutrino oscillations

Amol V. Patwardhan, ∗ Michael J. Cervia, 3, 4, † and A. B. Balantekin ‡ SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA Department of Physics, University of Wisconsin–Madison, Madison, Wisconsin 53706, USA Department of Physics, The George Washington University, Washington, District of Columbia 20052, USA Department of Physics, University of Maryland, College Park, Maryland 20742, USA (Dated: December 30, 2021)