Irregular-regular-irregular mixed mode oscillations in a glow discharge plasma

Sabuj Ghosh; Pankaj Kumar Shaw; Debajyoti Saha; M. S. Janaki; A. N.Sekar Iyengar

doi:10.1063/1.4919962

Irregular-regular-irregular mixed mode oscillations in a glow discharge plasma

Sabuj Ghosh, Pankaj Kumar Shaw, Debajyoti Saha, M. S. Janaki, A. N.Sekar Iyengar

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

Floating potential fluctuations of a glow discharge plasma are found to exhibit different kinds of mixed mode oscillations. Power spectrum analysis reveals that with change in the nature of the mixed mode oscillation (MMO), there occurs a transfer of power between the different harmonics and subharmonics. The variation in the chaoticity of different types of mmo was observed with the study of Lyapunov exponents. Estimates of correlation dimension and the Hurst exponent suggest that these MMOs are of low dimensional nature with an anti persistent character. Numerical modeling also reflects the experimentally found transitions between the different MMOs.

Original language	English
Article number	052304
Journal	Physics of Plasmas
Volume	22
Issue number	5
DOIs	https://doi.org/10.1063/1.4919962
State	Published - 1 May 2015
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics

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title = "Irregular-regular-irregular mixed mode oscillations in a glow discharge plasma",

abstract = "Floating potential fluctuations of a glow discharge plasma are found to exhibit different kinds of mixed mode oscillations. Power spectrum analysis reveals that with change in the nature of the mixed mode oscillation (MMO), there occurs a transfer of power between the different harmonics and subharmonics. The variation in the chaoticity of different types of mmo was observed with the study of Lyapunov exponents. Estimates of correlation dimension and the Hurst exponent suggest that these MMOs are of low dimensional nature with an anti persistent character. Numerical modeling also reflects the experimentally found transitions between the different MMOs.",

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AU - Saha, Debajyoti

AU - Janaki, M. S.

AU - Iyengar, A. N.Sekar

PY - 2015/5/1

Y1 - 2015/5/1

N2 - Floating potential fluctuations of a glow discharge plasma are found to exhibit different kinds of mixed mode oscillations. Power spectrum analysis reveals that with change in the nature of the mixed mode oscillation (MMO), there occurs a transfer of power between the different harmonics and subharmonics. The variation in the chaoticity of different types of mmo was observed with the study of Lyapunov exponents. Estimates of correlation dimension and the Hurst exponent suggest that these MMOs are of low dimensional nature with an anti persistent character. Numerical modeling also reflects the experimentally found transitions between the different MMOs.

AB - Floating potential fluctuations of a glow discharge plasma are found to exhibit different kinds of mixed mode oscillations. Power spectrum analysis reveals that with change in the nature of the mixed mode oscillation (MMO), there occurs a transfer of power between the different harmonics and subharmonics. The variation in the chaoticity of different types of mmo was observed with the study of Lyapunov exponents. Estimates of correlation dimension and the Hurst exponent suggest that these MMOs are of low dimensional nature with an anti persistent character. Numerical modeling also reflects the experimentally found transitions between the different MMOs.

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Irregular-regular-irregular mixed mode oscillations in a glow discharge plasma

Abstract

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