Nonlinear Plasma Oscillation with a Fractional Harmonics and Analysis in the Time-Frequency Spectrum

Chin. Phys. Lett.

1997, Vol. 14

Issue (11): 857-860 DOI:

Original Articles

Nonlinear Plasma Oscillation with a Fractional Harmonics and Analysis in the Time-Frequency Spectrum

HUANG Guang-li¹;LI You-ping¹;HUANG Guang-yuan²;Bengt Holback³

¹Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008 ²Department of Mathematics, Shandong University, Jinan 250100 ³Swedish Institute for Space Physics, Uppsala, Sweden

Cite this article:

HUANG Guang-li, LI You-ping, HUANG Guang-yuan et al 1997 Chin. Phys. Lett. 14 857-860

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Abstract In the observations of Freja satellite in the energization region of the low aurora (1700 km), a new nonlinear plasma oscillation with a turbulent spectrum at the fractional harmonics of the local proton gyrofrequencies is reported and analyzed with the wavelet transformation in the time-frequency spectrum.

Keywords: 52.35.Ra 47.20.Ky 94.30.Gm

Published: 01 November 1997

PACS:	52.35.Ra	(Plasma turbulence)
	47.20.Ky	(Nonlinearity, bifurcation, and symmetry breaking)
	94.30.Gm

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1997/V14/I11/0857

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	HUANG Guang-li
	LI You-ping
	HUANG Guang-yuan
	Bengt Holback

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