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The Polar Optical Phonon Confinement Effect on the Binding Energy of a Hydrogenic Impurity in Quantum Wires Under Applied Electric and Magnetic Fields

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Abstract

The impurity bound polaron in a cylindrical quantum wire with a parabolic confining potential was studied by the variational approach. The polaron effects on the ground-state binding energy in electric and magnetic fields are investigated by means of Pekar-Landau variation technique by taking into account optical phonon confinement within the wire region and localization at its boundaries. It is shown that not only electron confinement, but also polar optical phonon confinement leads to a considerable enhancement of the polaron effect. The results for the binding energy as well as polaronic correction are obtained as a function of the applied fields.

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Authors and Affiliations

  1. Department of Solid State Physics, Yerevan State University, A.Manoogian 1, 0025, Yerevan, Armenia

    Arshak L. Vartanian, Abbas Shahbandari, Mkrtich A. Yeranosyan & Albert A. Kirakosyan

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  1. Arshak L. Vartanian
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  2. Abbas Shahbandari
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  3. Mkrtich A. Yeranosyan
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  4. Albert A. Kirakosyan
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Correspondence to Arshak L. Vartanian.

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Vartanian, A.L., Shahbandari, A., Yeranosyan, M.A. et al. The Polar Optical Phonon Confinement Effect on the Binding Energy of a Hydrogenic Impurity in Quantum Wires Under Applied Electric and Magnetic Fields. J Low Temp Phys 165, 101 (2011). https://doi.org/10.1007/s10909-011-0401-x

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  • DOI: https://doi.org/10.1007/s10909-011-0401-x

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