Optimality of Gaussian discord.
Pirandola S, Spedalieri G, Braunstein SL, Cerf NJ, Lloyd S.
Pirandola S, et al. Among authors: braunstein sl.
Phys Rev Lett. 2014 Oct 3;113(14):140405. doi: 10.1103/PhysRevLett.113.140405. Epub 2014 Oct 3.
Phys Rev Lett. 2014.
PMID: 25325624