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Von Neumann entropy and entropy squeezing of a two-level atom and the superposition of squeezed displaced fock states

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Journal of Russian Laser Research Aims and scope

Abstract

The work presents some aspects of studying the two-level atom in a Kerr media interacting with a single-mode electromagnetic field, which is the superposition of squeezed displaced Fock states. We discuss the effect of the new field on quantum entropy and the entanglement of the atom-field system in the two-photon process. The exact results are employed to perform a careful investigation of the temporal entropy evolution. The position and momentum entropy squeezing of the optical field are investigated. The general conclusions obtained are illustrated by numerical results.

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Authors and Affiliations

  1. Mathematics Department, Faculty of Science, Al-Azhar University, Nasr City, 11884, Cairo, Egypt

    G. M. Abd Al-Kader & A.-S. F. Obada

Authors
  1. G. M. Abd Al-Kader
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  2. A.-S. F. Obada
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Correspondence to G. M. Abd Al-Kader.

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Abd Al-Kader, G.M., Obada, AS.F. Von Neumann entropy and entropy squeezing of a two-level atom and the superposition of squeezed displaced fock states. J Russ Laser Res 29, 398–407 (2008). https://doi.org/10.1007/s10946-008-9030-5

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  • DOI: https://doi.org/10.1007/s10946-008-9030-5

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