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On the Possibility of Preserving Excitation in an Ensemble of Identical Oscillators

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Abstract

It is shown that an ensemble of Nc independent identical quantum oscillators interacting nonresonantly with a damped oscillator can be effectively described as an ensemble of identical oscillators decaying in the field of a common thermostat. The emission rate of such an ensemble exhibits a peculiar dependence on number Nc of oscillators and can be suppressed completely depending on the number of oscillators in the ensemble for zero thermostat photon number density in a certain frequency range of the spectrum. This feature reflects the non-Wiener nature of the oscillator ensemble dynamics and appears when all antirotating and rapidly varying (with time) terms (in the Dirac pattern) in the oscillator interaction operators, which are usually neglected, are taken into account correctly.

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Funding

This study was supported in part by the Russian Foundation for Basic Research (project no. 19-02-00234a).

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Authors and Affiliations

  1. National Research Center “Kurchatov Institute”, 123182, Moscow, Russia

    A. M. Basharov

  2. Moscow Institute of Physics and Technology (Technical University), 141701, Dolgoprudny, Moscow oblast, Russia

    A. M. Basharov

  3. St. Petersburg University of Fire Service of EMERCOM of Russia, 196105, St. Petersburg, Russia

    A. I. Trubilko

Authors
  1. A. M. Basharov
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  2. A. I. Trubilko
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Corresponding authors

Correspondence to A. M. Basharov or A. I. Trubilko.

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Translated by N. Wadhwa

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Basharov, A.M., Trubilko, A.I. On the Possibility of Preserving Excitation in an Ensemble of Identical Oscillators. J. Exp. Theor. Phys. 133, 737–743 (2021). https://doi.org/10.1134/S1063776121120013

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  • DOI: https://doi.org/10.1134/S1063776121120013

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