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Exact Spin Coherent State Path Integral for a Damped Two-Level Atom in an Electromagnetic Wave

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Abstract

The spin coherent state path integral describing the dynamics of a two-level system interacting with electromagnetic wave of circular polarization is considered. The propagator is first written in the standard form by replacing the spin by a unit vector aligned along the polar and azimuthal directions. Then it is determined exactly using a simple transformations. Thus, the exact energy spectra with corresponding wave functions are deduced.

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Acknowledgements

This work was supported by PNR research project 8/u05/4094 N0 31/13.

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Authors and Affiliations

  1. Laboratoire de Physique Energétique Appliquée (LPEA), Département des Sciences de la Matière, Faculté des Sciences, Université Hadj Lakhdar, Batna, Algeria

    Farida Halimi & Mekki Aouachria

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  1. Farida Halimi
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  2. Mekki Aouachria
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Correspondence to Mekki Aouachria.

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Halimi, F., Aouachria, M. Exact Spin Coherent State Path Integral for a Damped Two-Level Atom in an Electromagnetic Wave. Int J Theor Phys 52, 3662–3675 (2013). https://doi.org/10.1007/s10773-013-1672-6

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  • DOI: https://doi.org/10.1007/s10773-013-1672-6

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