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Koherentni efekti u interakciji konfiniranog atoma vodonika sa elektromagnetnim poljem

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2017
Disertacija.pdf (51.70Mb)
Pavlovic_Vladan_Lj.pdf (2.286Mb)
Author
Pavlović, Vladan Lj.
Mentor
Stevanović, Ljiljana
Committee members
Simonović, Nenad
Mančić, Ana
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Abstract
In this thesis, we analyzed some of the coherent effects – electromagnetically induced transparency and spontaneously generated coherence – that can appear in the interaction of the confined hydrogen atom with laser fields. It is studied the possibility to manipulate the group velocity of light in the medium under the condition of electromagnetically induced transparency. The model is then used to analyze the hydrogenic impurity in the spherical and the multilayered spherical quantum dot. Coherent effects are investigated in different configurations – three-level and four-level cascade configuration and four-level Y configuration. Absorption and dispersion properties of the systems for probe laser field are obtained by solving master (optical Bloch) equations in stationary regime and by using the connection between corresponding elements of the density matrix with the susceptibility of the system for a probe laser field. Behavior of the mentioned variables are then discuss...ed in detail as a function of the radius of confinement, intensity of the control laser fields, detunings of the control and probe laser fields and intensity of the external magnetic field, if it is present. Coherent effects were also considered in the dressed state basis for each of the configurations. Finally, we propose a few problems for further research on these topics.

Faculty:
University of Niš, Faculty of Science and Mathematics
Date:
16-06-2017
Keywords:
Konfinirani atom vodonika / Confined hydrogen atom / Electromagnetically induced transparency / Spontaneously generated coherence / Spherical quantum dot / Hydrogen impurity / Elektromagnetno indukovana transparentnost / Spontano generisana koherentnost / Sferna kvantna tačka / Vodonična nečistoća
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URI
http://eteze.ni.ac.rs/application/showtheses?thesesId=5223
http://nardus.mpn.gov.rs/handle/123456789/8529
https://fedorani.ni.ac.rs/fedora/get/o:1391/bdef:Content/download
http://vbs.rs/scripts/cobiss?command=DISPLAY&base=70052&RID=1025489129

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