نتایج جستجو برای: plasma wave

تعداد نتایج: 565722  

2016
D. P. Hartley C. A. Kletzing W. S. Kurth S. R. Bounds T. F. Averkamp G. B. Hospodarsky J. R. Wygant J. W. Bonnell O. Santolík C. E. J. Watt

Cold plasma theory and parallel wave propagation are often assumed when approximating the whistler mode magnetic field wave power from electric field observations. The current study is the first to include the wave normal angle from the Electric and Magnetic Field Instrument Suite and Integrated Science package on board the Van Allen Probes in the conversion factor, thus allowing for the accura...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده فیزیک 1390

اثر متقابل فاز پادفرومغناطیس (af) و ابررسانایی (sc) همواره مورد توجه فیزیکدانان تجربی و نظری بوده است. رقابت میان دو پارامتر نظم متفاوت در بسیاری از سیستم های گوناگون از جمله ابررساناهای دمای بالا دیده شده است. در برخی ترکیبات مثل اکسید مس فازهای پادفرومغناطیس و ابررسانایی بسیار نزدیک بهم ولی مجزا هستند؛ در حالی که در ترکیبات دیگری از قبیل ابررساناهای آلی، ترکیبات سه تایی و ترکیبات فرمیون های س...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ولی عصر (عج) - رفسنجان - دانشکده علوم 1387

چکیده ندارد.

2009
Haruhiko Kohno Klaus-Jürgen Bathe John C. Wright

A finite element wave-packet procedure is presented to solve problems of wave propagation in multiscale behavior. The proposed scheme combines the advantages of the finite element and spectral methods. The basic formulation is presented, and the capabilities of the procedure are demonstrated through the solution of some illustrative problems, including a problem that characterizes the mode-conv...

2013
Mitsutoshi Shuto Fukumi Tomino Hiromasa Ohmi Hiroaki Kakiuchi Kiyoshi Yasutake

When capacitively coupled plasma (CCP) is used to generate large-area plasma, the standing wave effect becomes significant, which results in the hindering of the uniform plasma process such as in a plasma etcher or plasma chemical vapor deposition. In this study, the transmission line modeling method is applied to calculate the voltage distribution over atmospheric-pressure CCP electrodes with ...

2010
X. J. Zhang Y. P. Zhao C. Q. Qin J. P. Qian

For designing scenarios with optimal ICRF performances in EAST tokamak plasma, the fast wave propagation and absorption should be first investigated. Here several possible Ion Cyclotron Resonance Heating (ICRH) scenarios have been explored are minority heating of hydrogen in a deuterium plasma and mode conversion heating of He in a deuterium plasma. The TORIC code has been used to simulate the ...

Journal: :Physical review letters 1996
Umstadter Kim Dodd

A novel laser-plasma-based source of relativistic electrons is described. It involves a combination of orthogonally directed laser beams, which are focused in a plasma. One beam excites a wakefield electron plasma wave. Another locally alters the trajectory of some of the electrons in such a way that they can be accelerated and trapped by the wave. With currently available table-top terawatt la...

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