Peculiar features of entangled states with postselection

Yakir Aharonov, Shmuel Nussinov, Sandu Popescu, Lev Vaidman
2013 Physical Review A. Atomic, Molecular, and Optical Physics  
We consider quantum systems in entangled states post-selected in non-entangled states. Such systems exhibit unusual behavior, in particular when weak measurements are performed at intermediate times.
doi:10.1103/physreva.87.014105 fatcat:s3imcxmd3zbadpnfwnn6ztukem