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The space electron-ion-positive dust plasma system containing isothermal inertialess electron species, cold inertial ion species, and stationary positive (positivively charged) dust species is considered. The basic features of one…

等离子体物理 · 物理学 2020-09-22 A A Mamun

Using the very basic physics principles, we have studied the implications of quantum corrections to classical electrodynamics and the propagation of electromagnetic waves and pulses. The initial nonlinear wave equation for the…

等离子体物理 · 物理学 2023-05-30 Stephan I. Tzenov , Klaus M. Spohr , Kazuo A. Tanaka

Waves play an essential role in many aspects of plasma science, such as plasma manipulation and diagnostics. Due to the complexity of the governing equations, approximate models are often necessary to describe wave dynamics. In this…

等离子体物理 · 物理学 2017-08-21 D. E. Ruiz

In this work we (i) extend previous 1D studies of electromagnetic (EM) wave propagation in an over-dense plasma-metamaterial composite into two spatial dimensions and (ii) study blocking of EM waves by the composite 2D structures…

等离子体物理 · 物理学 2025-08-18 D. Tsiklauri , I. Morrison

A high energy density plasma embedded in a neutral gas is able to launch an outward-propagating nonlinear electrostatic ionization wave that traps energetic electrons. The trapping maintains a strong sheath electric field, enabling rapid…

等离子体物理 · 物理学 2021-02-24 Haotian Mao , Kathleen Weichman , Zheng Gong , Todd Ditmire , Hernan Quevedo , Alexey Arefiev

The propagation of plasma waves in a new non-linear, logarithmic electrodynamics model is performed. A cold, uniform, collisionless fluid plasma model is applied. Electrostatic waves in magnetized plasma are shown to correspond to modified…

等离子体物理 · 物理学 2019-05-01 Fernando Haas , Patricio Gaete , Leonardo P. R. Ospedal , José Abdalla Helayël-Neto

Resonant scattering of fast particles off low frequency plasma waves is a major process determining transport characteristics of energetic particles in the heliosphere and contributing to their acceleration. Usually, only Alfv\'en waves are…

高能天体物理现象 · 物理学 2017-02-20 Cedric Schreiner , Patrick Kilian , Felix Spanier

Power systems usually go through electromagnetic and electromechanical transient processes after different disturbances. Learning the characteristics and the differences between them are important but not easy for students majoring in power…

系统与控制 · 电气工程与系统科学 2022-02-01 Abdulelah Alharbi , Shutang You

Complex plasmas consist of microparticles embedded in a low-temperature plasma and allow investigating various effects by tracing the motion of these microparticles. Dust density waves appear in complex plasmas as self-excited acoustic…

等离子体物理 · 物理学 2022-02-23 P. Bajaj , S. Khrapak , V. Yaroshenko , M. Schwabe

Single-channel electroencephalogram (EEG) is a cost-effective, comfortable, and non-invasive method for monitoring brain activity, widely adopted by researchers, consumers, and clinicians. The increasing number and proportion of articles on…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Yueyang Li , Weiming Zeng , Wenhao Dong , Di Han , Lei Chen , Hongyu Chen , Zijian Kang , Shengyu Gong , Hongjie Yan , Wai Ting Siok , Nizhuan Wang

The main purpose of this work is the investigation of the influence of electron-positron-ion on the electrostatic wakefields that are driven by intense, short electromagnetic wave packets in a three component unmagnetized plasma. The…

等离子体物理 · 物理学 2016-09-08 Magdy Yassin EL Ashry , EL Sayed Ibrahim Shalaan

Recent study has demonstrated that electron cyclotron harmonic (ECH) waves can be excited by a low energy electron beam. Such waves propagate at moderately oblique wave normal angles (~70). The potential effects of beam-driven ECH waves on…

等离子体物理 · 物理学 2024-06-04 Xu Zhang , Xin An , Vassilis Angelopoulos , Anton Artemyev , Xiao-Jia Zhang , Ying-Dong Jia

We study the nonlinear propagation of electrostatic wave packets in a collisional plasma composed of strongly coupled ions and relativistically degenerate electrons. The equilibrium of ions is maintained by an effective temperature…

等离子体物理 · 物理学 2012-02-24 A. P. Misra , P. K. Shukla

In this article, we use the general theory derived in the companion paper [M. Tacu and D. B\'enisti, Phys. Plasmas (2021)] in order to address several long-standing issues regarding nonlinear electron plasma waves (EPW's). First, we discuss…

等离子体物理 · 物理学 2022-05-25 D. Bénisti , D. F. G. Minenna , M. Tacu , A. Debayle , L. Gremillet

Quantum plasmas in astrophysical environments are abundant due to extreme electric, magnetic, and gravitational fields. These plasmas can be most clearly observed in neutron stars, white dwarfs, brown dwarfs, red dwarfs, accretion disks of…

等离子体物理 · 物理学 2025-04-08 Atherv Saxena , Sudeep Nadgambe , Rajan Mishra , Punit Kumar

The dissipative electron-ion-pcd (positively charged dust) plasma, which is observed in both space and laboratory plasmas, is considered. The basic features of nonplanar cylindrical and spherical ion-acoustic subsonic shock waves in such a…

等离子体物理 · 物理学 2020-09-29 A A Mamun , B. E. Sharmin

Further development of the method of quantum hydrodynamics in application for Bose-Einstein condensates (BECs) is presented. To consider evolution of polarization direction along with particles movement we have developed corresponding set…

量子气体 · 物理学 2014-11-04 P. A. Andreev , L. S. Kuzmenkov

A rigorous theoretical investigation has been made on electron acoustic wave propagating in unmagnetized collisionless plasma consisting of a cold electron fluid, non-thermal hot electrons and stationary ions. Based on the pseudo-potential…

斑图形成与孤子 · 物理学 2010-04-14 S. A. El-Wakil , E. K. El-Shewy , H. M. Abd-El-Hamid , E. M. Abulwafa

Investigation of human brain states through electroencephalograph (EEG) signals is a crucial step in human-machine communications. However, classifying and analyzing EEG signals are challenging due to their noisy, nonlinear and…

机器学习 · 统计学 2019-12-19 Farzana Nasrin , Christopher Oballe , David L. Boothe , Vasileios Maroulas

Nonlinear and low-frequency solitary waves are investigated in the framework of the one-dimensional Hall-magnetohydrodynamic model with finite Larmor effects and a double adiabatic model for plasma pressures. The organization of these…

等离子体物理 · 物理学 2019-02-13 E. Bello-Benítez , G. Sánchez-Arriaga , T. Passot , D. Laveder , E. Siminos