A. Yu. Popov, E. Z. Gusakov, “On a new mechanism of excitation of the absolute parametric decay instability of an electromagnetic wave in experiments on electron cyclotron resonance heating in toroidal devices”, Pis'ma v Zh. Èksper. Teoret. Fiz., 105:2 (2017), 64–69; JETP Letters, 105:2 (2017), 78

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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2017, Volume 105, Issue 2, Pages 64–69
DOI: https://doi.org/10.7868/S0370274X17020035 (Mi jetpl5165)

This article is cited in 31 scientific papers (total in 31 papers)

PLASMA, HYDRO- AND GAS DYNAMICS

On a new mechanism of excitation of the absolute parametric decay instability of an electromagnetic wave in experiments on electron cyclotron resonance heating in toroidal devices

A. Yu. Popov, E. Z. Gusakov

Ioffe Institute, Russian Academy of Sciences, St. Petersburg, Russia

Full-text PDF (235 kB) Citations (31)

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DOI: https://doi.org/10.7868/S0370274X17020035

Abstract: Experimental conditions under which the low-threshold absolute parametric decay instability of an electromagnetic wave with extraordinary polarization at the electron cyclotron resonance heating of a plasma at the second harmonic resonance in toroidal devices are analyzed. A new mechanism is proposed for the localization of a daughter electrostatic wave in the toroidal direction in the region of a high-power pump beam. This mechanism, along with the two-dimensional localization of the daughter wave because of a nonmonotonic radial profile of the plasma density and the poloidal inhomogeneity of the magnetic field, can be responsible for the parametric excitation of a three-dimensional cavity for this wave and, as a result, low-threshold absolute decay instability of the pump wave.

Funding agency	Grant number
Russian Science Foundation	16-12-10043

Received: 16.11.2016

English version:
Journal of Experimental and Theoretical Physics Letters, 2017, Volume 105, Issue 2, Pages 78–82
DOI: https://doi.org/10.1134/S0021364017020138

Bibliographic databases:

Document Type: Article

Language: Russian

Citation: A. Yu. Popov, E. Z. Gusakov, “On a new mechanism of excitation of the absolute parametric decay instability of an electromagnetic wave in experiments on electron cyclotron resonance heating in toroidal devices”, Pis'ma v Zh. Èksper. Teoret. Fiz., 105:2 (2017), 64–69; JETP Letters, 105:2 (2017), 78–82

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https://www.mathnet.ru/eng/jetpl5165

https://www.mathnet.ru/eng/jetpl/v105/i2/p64

This publication is cited in the following 31 articles:

A. Yu. Popov, E. Z. Gusakov, N. V. Teplova, Plasma Phys. Rep., 50:1 (2024), 35
A. Yu. Popov, E. Z. Gusakov, N. V. Teplova, Fizika plazmy, 50:1 (2024), 28
E. Z. Gusakov, A. Yu. Popov, Fizika plazmy, 49:8 (2023), 753
E. Z. Gusakov, A. Yu. Popov, Plasma Phys. Rep., 49:8 (2023), 936
E. Z. Gusakov, A. Yu. Popov, Plasma Phys. Rep., 49:8 (2023), 949
E. Z. Gusakov, A. Yu. Popov, Fizika plazmy, 49:8 (2023), 740
Popov A.Yu., Plasma Phys. Rep., 48:1 (2022), 25–32
E. Z. Gusakov, A. Yu. Popov, JETP Letters, 116:1 (2022), 36–40
E. Z. Gusakov, A. Yu. Popov, Plasma Phys. Rep., 48:4 (2022), 327
E. Z. Gusakov, A. Yu. Popov, Plasma Phys. Control. Fusion, 63:1 (2021), 015016
E. Z. Gusakov, A. Yu. Popov, Plasma Phys. Control. Fusion, 63:12 (2021), 125017
E. Z. Gusakov, A. Yu. Popov, Plasma Phys. Rep., 47:2 (2021), 111–120
E. Z. Gusakov, A. Yu. Popov, Phys. Usp., 63:4 (2020), 365–387
E. Z. Gusakov, A. Yu. Popov, Phys. Plasmas, 27:8 (2020), 082502
E. Z. Gusakov, A. Yu. Popov, Plasma Phys. Control. Fusion, 62:2 (2020), 025028
A. Yu. Popov, P. V. Tretinnikov, E. Z. Gusakov, L. V. Simonchik, Plasma Phys. Rep., 46:1 (2020), 35–40
A. Yu. Popov, P. V. Tretinnikov, E. Z. Gusakov, L. V. Simonchik, Plasma Phys. Rep., 46:4 (2020), 430–434
A. Yu. Popov, E. Z. Gusakov, M. A. Irzak, Plasma Phys. Control. Fusion, 62:2 (2020), 025015
E. Z. Gusakov, A. Yu. Popov, Nucl. Fusion, 60:7 (2020), 076018
E. Z. Gusakov, A. Yu. Popov, A. N. Saveliev, Plasma Phys. Control. Fusion, 61:2 (2019), 025006

Citing articles in Google Scholar: Russian citations, English citations
Related articles in Google Scholar: Russian articles, English articles

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