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JOURNALS // Uspekhi Fizicheskikh Nauk // Archive

UFN, 2022 Volume 192, Number 6, Pages 674–688 (Mi ufn7021)

METHODOLOGICAL NOTES

On the question of a classical analog of the Fano problem

M. V. Lebedev, O. V. Misochko

Osipyan Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Moscow region

Abstract: A system of interacting classical oscillators is discussed, which is an analog of the quantum-mechanical problem of a discrete energy level interacting with an energy quasi-continuum of states considered by Fano. The limiting transition to the continuous spectrum and the possible connection of this problem with the generation of coherent phonons are analyzed.

PACS: 03.65.Nk, 46.40.Ff, 78.47.-p

Received: February 3, 2021
Revised: September 24, 2021
Accepted: November 4, 2021

DOI: 10.3367/UFNr.2021.11.039098


 English version:
Physics–Uspekhi, 2022, 65:6, 627–640

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© Steklov Math. Inst. of RAS, 2024