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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Cyclotron resonance ： ウィキペディア英語版 Cyclotron resonance Cyclotron resonance describes the interaction of external forces with charged particles experiencing a magnetic field, thus already moving on a circular path. It is named after the cyclotron, a cyclic particle accelerator that utilizes an oscillating electric field tuned to this resonance to add kinetic energy to charged particles. The ''cyclotron frequency'' or ''gyrofrequency'' is the frequency of a charged particle moving perpendicular to the direction of a uniform magnetic field ''B'' (constant magnitude and direction). Since that motion is always circular,〔Physics by M. Alonso & E. Finn, Addison Wesley 1996.〕 the cyclotron frequency is given by equality of centripetal force and magnetic Lorentz force :$\backslash frac\; =\; qBv$ with the particle mass ''m'', its charge ''q'', velocity ''v'', and the circular path radius ''r'', also called gyroradius. By substitution for the circulation frequency $f\; =\; \backslash frac$ which defines the cyclotron frequency, this leads to :$f\; =\; \backslash frac$, or the angular frequency :$\backslash omega\; =\; 2\; \backslash pi\; f\; =\; \backslash frac$. It is notable that the cyclotron frequency is independent of the radius and velocity and therefore independent of the particle's energy. == See also == * Ion cyclotron resonance * Electron cyclotron resonance * (Calculate Cyclotron frequency with Wolfram Alpha ) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Cyclotron resonance」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.