Dynamics of atom-field entanglement in a bimodal cavity

In this paper we investigate some aspects of the dynamics and entanglement of bipartite quantum system (atom-quantized field), coupled to a third “external” subsystem (quantized field). We make use of the Raman coupled model; a three-level atom in a lambda configuration interacting with two modes of...

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Bibliographic Details
Published in:The European physical journal. D, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2011-12, Vol.65 (3), p.587-591
Main Authors: Deçordi, G. L., Vidiella-Barranco, A.
Format: Article
Language:English
Subjects:
Applications of Nonlinear Dynamics and Chaos Theory
Atomic
Coherence
Derivation
Dynamic tests
Dynamical systems
Dynamics
Entanglement
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Holes
Molecular
Nonclassical field states
squeezed, antibunched and sub-poissonian states
operational definitions of the phase of the field
phase measurements
Optical and Plasma Physics
Optics
Physical Chemistry
Physics
Physics and Astronomy
Quantum description of interaction of light and matter
related experiments
Quantum Information Technology
Quantum optics
Quantum Physics
Quantum theory
Regular Article
Spectroscopy/Spectrometry
Spintronics
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Summary:In this paper we investigate some aspects of the dynamics and entanglement of bipartite quantum system (atom-quantized field), coupled to a third “external” subsystem (quantized field). We make use of the Raman coupled model; a three-level atom in a lambda configuration interacting with two modes of the quantized cavity field. We consider the far off resonance limit, which allows the derivation of an effective Hamiltonian of a two-level atom coupled to the fields. We also make a comparison with the situation in which one of the modes is treated classically rather than prepared in a quantum field (coherent state).
ISSN:1434-6060
1434-6079
DOI:10.1140/epjd/e2011-20450-3