Validity of the rotating wave approximation in the driven Jaynes-Cummings model

In this paper we define, in the context of dynamical algebras, a set of operators that are suitable for studying any relevant quantity related to the two-level Jaynes-Cummings model (JCM). We study the usual JCM with and without the rotating wave approximation (RWA), and then we add the presence of...

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Detalles Bibliográficos
Autores principales: Berlín, G., Aliaga, J.
Formato: JOUR
Materias:
Driven Jaynes-Cummings model
Rotating wave approximation
Algebra
Approximation theory
Electromagnetic field effects
Hamiltonians
Mathematical operators
Photons
Rotation
Dynamical algebras
Relevant quantity
Quantum theory
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_14644266_v6_n4_p231_Berlin
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
Descripción
Sumario:In this paper we define, in the context of dynamical algebras, a set of operators that are suitable for studying any relevant quantity related to the two-level Jaynes-Cummings model (JCM). We study the usual JCM with and without the rotating wave approximation (RWA), and then we add the presence of an external field. In this last case we find that in the strong driving regime there are significant differences between the results obtained with the RWA and without it. This holds even for the case in which the usual requirements for applying the RWA without an external driving are fulfilled.

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