Generation of entanglement density within a reservoir

C Lazarou (1, 2) , B M Garraway (3) , J Piilo (4) , S Maniscalco (4)

1 Department of Physics and Astronomy [UCL London]
2 Department of Physics
3 DPA - Department of Physics and Astronomy [Brighton]
4 TCQP - Turku Centre for Quantum Physics

We study a single two-level atom interacting with a reservoir of modes defined by its reservoir structure function. Within this framework we are able to define a density of entanglement involving a continuum of reservoir modes. The density of entanglement is derived for a system with a single excitation by taking a limit of the global entanglement. Utilizing the density of entanglement we quantify the entanglement between the atom and the modes, and also between the reservoir modes themselves.

Mots clés: 03.67.Mn; 03.65.Yz; 03.67.Bg

C Lazarou, B M Garraway, J Piilo, S Maniscalco. Generation of entanglement density within a reservoir. Journal of Physics B: Atomic, Molecular and Optical Physics, 2011, 44 (6), pp.65505. ⟨10.1088/0953-4075/44/6/065505⟩. ⟨hal-00604054⟩