arXiv:1508.05949 · Nature
Loophole-free Bell inequality violation using electron spins separated by 1.3 kilometres
Bas Hensen, Hannes Bernien, A. Dréau, Andreas Reiserer, Norbert Kalb, Machiel Blok, Justus W. Ruitenberg, R. F. L. Vermeulen, Raymond N. Schouten, Carlos Abellán, Waldimar Amaya, Valerio Pruneri, Morgan W. Mitchell, Matthew Markham, Daniel J. Twitchen, David Elkouss, Stephanie Wehner, T. H. Taminiau, Ronald Hanson