Breakdown of the few-level approximation in dipole-dipole interacting systems

The validity of the few-level approximation is investigated in a system of two dipole-dipole interacting four-level atoms. Each atom is modelled by two complete sets of angular momentum multiplets. We provide two independent arguments demonstrating that the few-level approximation in general leads t...

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Những tác giả chính: Kiffner, M, Evers, J, Keitel, C
Định dạng: Journal article
Ngôn ngữ:English
Được phát hành: 2007