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Circularly polarized, nearly parallel propagating waves are prevalent in the solar wind at ion-kinetic scales. At these scales, the spectrum of turbulent fluctuations in the solar wind steepens, often called the transition-range, before…

Using the thin-layer approach, we derive the effective equation for the electromagnetic wave propagating along a space curve. We find intrinsic spin-orbit, extrinsic spin-orbit and extrinsic orbital angular momentum and intrinsic orbital…

Optics · Physics 2018-03-28 Meng-Yun Lai , Yong-Long Wang , Guo-Hua Liang , Fan Wang , Hong-Shi Zong

An attractive mechanism for radiation transport by electron holes from the magnetospheric auroral cavity source region down to the ionosphere and possibly even down to the atmosphere is examined. Because of the excitation and propagation…

Space Physics · Physics 2012-08-16 R. A. Treumann , W. Baumjhohann , J. LaBelle , R. Pottelette

The electromagnetic scattering properties of topological insulator (TI) spheres are systematically studied in this paper. Unconventional backward scattering caused by the topological magneto-electric (TME) effect of TIs are found in both…

Optics · Physics 2017-03-16 Lixin Ge , Dezhuan Han , Jian Zi

We consider wakefield generation in plasmas by electromagnetic pulses propagating perpendicular to a strong magnetic field, in the regime where the electron cyclotron frequency is equal to or larger than the plasma frequency.…

Plasma Physics · Physics 2015-05-27 A. Holkundkar , G. Brodin , M. Marklund

We investigate the characteristics of equatorial waves associated with the maintenance of superrotation in the stratosphere of a Titan general circulation model. A variety of equatorial waves are present in the model atmosphere, including…

Earth and Planetary Astrophysics · Physics 2023-07-14 Neil T. Lewis , Nicholas A. Lombardo , Peter L. Read , Juan M. Lora

Large-amplitude slow-mode waves are commonly observed near Earth's magnetopause. Recent observations show that these waves can occur simultaneously with kinetic-scale ion acoustic waves. The amplitude of the ion acoustic waves is enhanced…

Plasma Physics · Physics 2025-12-23 Xiaofei Shi , Xin An , Vassilis Angelopoulos

Previous studies revealed that electromagnetic cyclotron waves (ECWs) near the proton cyclotron frequency exist widely in the solar wind, and the majority of ECWs are left-handed (LH) polarized waves. Using the magnetic field data from the…

Space Physics · Physics 2017-09-27 G. Q. Zhao , H. Q. Feng , D. J. Wu , Y. H. Chu , J. Huang

Above lunar crustal magnetic anomalies, large fractions of solar wind electrons and ions can be scattered and stream back towards the solar wind flow, leading to a number of interesting effects such as electrostatic instabilities and waves.…

Space Physics · Physics 2021-04-06 F. Chu , J. S. Halekas , Xin Cao , J. P. McFadden , J. W. Bonnell , K. -H. Glassmeier

In collision-poor space plasmas protons with an excess of kinetic energy or temperature in direction perpendicular to background magnetic field can excite the electromagnetic ion cyclotron (EMIC) instability. This instability is expected to…

Plasma Physics · Physics 2021-02-03 S. M. Shaaban , M. Lazar , R. Schlickeiser

The harmonic generation has always been of fundamental interest in studying the nonlinear nature of any physical system. In the present study, Particle - In - Cell (PIC) simulations have been carried out to explore the harmonic generation…

Plasma Physics · Physics 2023-07-12 Trishul Dhalia , Rohit Juneja , Laxman Prasad Goswami , Srimanta Maity , Amita Das

In this work we analytically calculate the time-averaged electromagnetic energy stored inside a nondispersive magnetic isotropic cylinder which is obliquely irradiated by an electromagnetic plane wave. An expression for the…

Optics · Physics 2010-10-15 Tiago Jose Arruda , Alexandre Souto Martinez

The Equatorial Electrojet (EEJ) is a narrow band of electrons flowing from east to west at daytime at low latitudes. The electron current produces a magnetic field variation that can be measured at different latitudes. In this work, we have…

Space Physics · Physics 2018-08-22 E. López , F. Aldás , A. Yoshikawa

Rockets and satellites have previously observed small-scale Alfv\'en waves inside large-scale downward field-aligned currents and numerical simulations have associated their formation with self-consistent magnetosphere-ionosphere coupling.…

Space Physics · Physics 2013-04-05 Alexander J. B. Russell , Andrew N. Wright

We report simultaneous observations of intense fluxes of quasi-trapped energetic electrons and substantial enhancements of ionospheric electron concentration (EC) at low and middle latitudes over Pacific region during geomagnetic storm on…

Space Physics · Physics 2013-01-14 A. V. Suvorova , L. -C. Tsai , A. V. Dmitriev

The electron-cyclotron maser is a process that generates intense and coherent radio emission in plasma. In this paper, we present a comprehensive parametric investigation on the electron-cyclotron-maser instability driven by non-thermal…

Space Physics · Physics 2017-05-24 Zi-Jin Tong , Chuan-Bing Wang , Pei-Jin Zhang , Jin Liu

Determining the mechanism responsible for the plasma heating and particle acceleration is a fundamental problem in the study of the heliosphere. Due to efficient wave-particle interactions of ion-scale waves with charged particles, these…

Solar and Stellar Astrophysics · Physics 2023-07-12 Wen Liu , Jinsong Zhao , Tieyan Wang , Xiangcheng Dong , Justin C. Kasper , Stuart D. Bale , Chen Shi , Dejin Wu

The paper deals with electromagnetic effects associated with a radially symmetric system of progressive surface waves in the deep sea, induced by underwater oscillating sources or by dispersive decay of the initial localized perturbations…

Atmospheric and Oceanic Physics · Physics 2014-07-15 S. B. Kozitskiy

We consider the dynamics of electromagnetic fields in an almost-Friedmann-Robertson-Walker universe using the covariant and gauge-invariant approach of Ellis and Bruni. Focusing on the situation where deviations from the background model…

General Relativity and Quantum Cosmology · Physics 2009-12-30 Mattias Marklund , Peter K. S. Dunsby , Gert Brodin

The chaotic interaction between electrons and whistler mode waves has been shown to provide a mechanism for enhanced diffusion in phase space. Pitch angle diffusion is relevant for the scattering of electrons into the loss cones, thus…

Space Physics · Physics 2007-05-23 W J Wykes , S. C. Chapman , G. Rowlands