研究目的
Investigating the evolution of entanglement between two two-level Rydberg atoms interacting with a single mode radiation field via two-photon transitions in an ideal cavity.
研究成果
The study demonstrates that the entanglement between two two-level Rydberg atoms can be significantly influenced by the statistics of the cavity field and the number of photons. The entanglement of formation increases with the photon number for coherent and thermal fields, and the degenerate two-photon process produces stronger entanglement compared to the non-degenerate case.
研究不足
The study is theoretical and does not involve experimental validation. The model assumes an ideal cavity and does not account for decoherence or other practical limitations.
1：Experimental Design and Method Selection:
The study involves the interaction of two two-level Rydberg atoms with a single mode radiation field in an ideal cavity via two-photon transitions. The entanglement of formation is used to quantify the entanglement between the atoms.
2：Sample Selection and Data Sources:
The system consists of two two-level Rydberg atoms and a single mode radiation field in an ideal cavity. The initial state of the atoms is unentangled.
3：List of Experimental Equipment and Materials:
Theoretical model involving an ideal cavity and two-level Rydberg atoms. No specific equipment or materials are listed.
4：Experimental Procedures and Operational Workflow:
The atoms pass one after the other into the cavity, interacting with the field via two-photon transitions. The entanglement between the atoms is studied as a function of the Rabi angle for different field statistics (Fock state, coherent state, thermal state).
5：Data Analysis Methods:
The entanglement of formation is calculated to quantify the entanglement between the atoms. The results are analyzed for different field statistics and photon numbers.
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