Generation of coherent superposition of Fock states in a cavity. Entanglement of atomic coherent states

Details Generation of coherent superposition of Fock states in a cavity. Entanglement of atomic coherent states Generation of coherent superposition of Fock states in a cavity. Entanglement of atomic coherent states

2000-11-29

arxiv.org/abs/quant-ph/0011112v2

Physics

Quantum Physics

7 pages, 8 figures

Scientific paper

A scheme for preparation of coherent superposition of Fock states of electromagnetic field is constructed. The superposition state is created inside the cavity via a strong interaction of a four-level atom with quantum field of the cavity and classic laser fields. We demonstrate the possibility to create desired arbitrary superposition of the cavity Fock states just by changing the relative delay of the fields. Then, as another application of our model, we study a means of creating entanglement of neutral four-level atoms using different sequences of interactions with the cavity and laser fields.

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