A matter-wave Rarity–Tapster interferometer to demonstrate non-locality Kieran F. Thomas, Bryce M. Henson, Yu Wang, Robert J. Lewis-Swan, Karen V. Kheruntsyan, Sean S. Hodgman and Andrew G. Truscott Eur. Phys. J. D, 76 12 (2022) 244 Published online: 16 December 2022 DOI: 10.1140/epjd/s10053-022-00551-y