Rémi Blandino, Marco Genoni, Jean Etesse, Marco Barbieri, Matteo G. A. Paris, et al.. Homodyne estimation of Gaussian quantum discord.
Physical Review Letters, American Physical Society, 2012, 109 (18), pp.180402.
⟨10.1103/PhysRevLett.109.180402⟩.
⟨hal-00676458v3⟩