Phys. Rev. Lett. 88, 247901 (2002) [4 pages]Activating Distillation with an Infinitesimal Amount of Bound EntanglementReceived 25 January 2002; published 31 May 2002 We show that bipartite quantum states of any dimension, which do not have a positive partial transpose (NPPT), become 1-distillable when one adds an infinitesimal amount of bound entanglement. To this end we investigate the activation properties of a new class of symmetric bound entangled states of full rank. It is shown that in this set there exist universal activator states capable of activating the distillation of any NPPT state. The result shows that even a small amount of bound entanglement can be useful for quantum information purposes. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.88.247901
DOI:
10.1103/PhysRevLett.88.247901
PACS:
03.67.-a, 03.65.Ca, 03.65.Ud
|
|
About | Terms and Conditions | Subscriptions | Search | Help
Use of the American Physical Society websites and journals implies that the user has read and agrees to our Terms and Conditions and any applicable Subscription Agreement. Physical Review®, Physical Review Letters®, Reviews of Modern Physics®, and Physical Review Special Topics® are trademarks of the American Physical Society.