August 18 2011

New article: Phys. Rev. A 84, 022321

Tripartite nonlocality and continuous-variable entanglement in thermal states of trapped ions
Jie Li, Thomás Fogarty, Cecilia Cormick, John Goold, Thomas Busch, and Mauro Paternostro.
Phys. Rev. A 84, 022321 (2011).

We study a system of three trapped ions in an anisotropic bidimensional trap. By focusing on the transverse modes of the ions, we show that the mutual ion-ion Coulomb interactions set entanglement of a genuine tripartite nature, to some extent persistent to the thermal nature of the vibronic modes. We tackle this issue by addressing a nonlocality test in the phase space of the ionic system and quantifying the genuine residual tripartite entanglement in the continuous variable state of the transverse modes.

zurück zur Übersicht aller Meldungen