NDLI: Quantum Treatment of the Interaction Between an N-Level Atom and Two Noninteracting Two-Level Atoms

Content Provider	Springer Nature Link
Author	Abdalla, M. Sebawe Ahmed, M. M. A. Khalil, E. M. Obada, A. S. F.
Copyright Year	2014
Abstract	We consider the problem of two two-level atoms interacting with N-level atom. We obtain the exact solution for the wave function for the case where both atoms are identical and the system is treated at exact resonance. We use the results obtained for discussing the temporal evolution of the atomic inversion, in particular, the collapse and revival phenomena. We build up our discussion on the variation of the atomic number j and the atomic angle θ. For small j, the system exhibits a small period of collapse, and for large j we observe a long period of revival. We employ the linear entropy in the discussion of entanglement. We show that the atomic angle θ influences the system in such a way that the period of partial entanglement increases with increase in the value of θ. In addition to the variance squeezing, we also examine the entanglement between the spinors and show that the squeezing phenomenon occurs in the second quadrature, being absent in the first quadrature. Also we realize that the squeezing phenomenon reaches its maximum and gets more pronounced for a small value of the atomic number and a large value of the atomic angle.
Starting Page	169
Ending Page	181
Page Count	13
File Format	PDF
ISSN	10712836
Journal	Journal of Russian Laser Research
Volume Number	35
Issue Number	2
e-ISSN	15738760
Language	English
Publisher	Springer US
Publisher Date	2014-04-23
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	SU(2) interacting systems Linear entropy Variance squeezing Optics, Optoelectronics, Plasmonics and Optical Devices Laser Technology, Photonics Microwaves, RF and Optical Engineering
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Engineering

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