Timeline for System with no entanglement but consuming quantum discord
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Dec 22, 2012 at 7:15 | history | bounty ended | unsym | ||
| Dec 21, 2012 at 14:54 | comment | added | Piotr Migdal | I'm not that deep into discord, but AFAIR some separable states with non-zero discord can be used for entanglement activation or something. BTW: indico.cern.ch/getFile.py/… When it comes to (a) - IMHO the intuition is the following: for mixed states, not all non-classical effects are related to entanglement; there are systems, where with a fixed set of measurements, you can 'transmit' less information than from general quantum-mechanical bound. | |
| Dec 20, 2012 at 17:43 | comment | added | unsym | Thanks. I have found that paper, but I havent read it yet. The situation (b) is not possible, but I dont know the proof yet. I am more concern with the situation (a) as I dont really understand what it means physically. That is how can two system no entangled together but with non-trivial classical correlation. Do you have some idea about that? I will read the paper soon and give you bounty if it is correct | |
| Dec 20, 2012 at 0:55 | history | answered | Piotr Migdal | CC BY-SA 3.0 |