Continuous pumping and control of mesoscopic superposition state in a lossy QED cavity

Details Continuous pumping and control of mesoscopic superposition state in a lossy QED cavity Continuous pumping and control of mesoscopic superposition state in a lossy QED cavity

2000-02-17

arxiv.org/abs/quant-ph/0002047v1

Phys. Rev. A 61, 063809 (2000).

Physics

Quantum Physics

15 pages, 6 PostScript figures, To appear in Phys. Rev. A

Scientific paper

10.1103/PhysRevA.61.063809

Here we consider the continuous pumping of a dissipative QED cavity and derive the time-dependent density operator of the cavity field prepared initially as a superposition of mesoscopic coherent states. The control of the coherence of this superposition is analyzed considering the injection of a beam of two-level Rydberg atoms through the cavity. Our treatment is compared to other approaches.

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