Entangled state distillation from single copy mixed states beyond LOCC

Indranil Biswas, Atanu Bhunia, Indrani Chattopadhyay +1

No pure entangled state can be distilled from a $2\otimes 2$ or $2\otimes 3$ mixed state by separable operations. In $3\otimes 3$, pure entanglement can be distilled by separable o…