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Nonperturbative Effects in the Emission Spectra of Quantum Dots Interacting with Bosonic and Fermionic Reservoirs

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Abstract

The problem of the description of the strong interaction of the InAs/GaAs exciton quantum dot (QD) grown by molecular-beam epitaxy with acoustic phonon and electron reservoirs is studied. A nonperturbative solution to the self-energy function of the exciton quantum dot is found. It is shown that these functions at temperatures higher than 10 K differ significantly from those obtained within in the Born approximation. The accurate calculation of the self-energy function of the exciton QD makes it possible to solve the problem of decoherence and dephasing of quantum states, which opens the way to develop single-photon sources necessary in quantum calculations and quantum communication.

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Authors and Affiliations

  1. Kazan Federal University, Institute of Physics, 420008, Kazan, Russia

    R. Kh. Gainutdinov, D. G. Blum, A. Shirdelhavar & A. A. Mutygullina

  2. Tatarstan Academy of Sciences, 420111, Kazan, Russia

    R. Kh. Gainutdinov

Authors
  1. R. Kh. Gainutdinov
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  2. D. G. Blum
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  3. A. Shirdelhavar
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  4. A. A. Mutygullina
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Correspondence to R. Kh. Gainutdinov or D. G. Blum.

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Translated by A. Kazantsev

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Gainutdinov, R.K., Blum, D.G., Shirdelhavar, A. et al. Nonperturbative Effects in the Emission Spectra of Quantum Dots Interacting with Bosonic and Fermionic Reservoirs. Bull. Lebedev Phys. Inst. 47, 228–232 (2020). https://doi.org/10.3103/S1068335620080047

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  • DOI: https://doi.org/10.3103/S1068335620080047

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