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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 Inhomogeneous electromagnetic wave equation ： ウィキペディア英語版 Inhomogeneous electromagnetic wave equation In electromagnetism and applications, an inhomogeneous electromagnetic wave equation, or nonhomogeneous electromagnetic wave equation, is one of a set of wave equations describing the propagation of electromagnetic waves generated by nonzero source charges and currents. The source terms in the wave equations makes the partial differential equations ''inhomogeneous'', if the source terms are zero the equations reduce to the homogeneous electromagnetic wave equations. The equations follow from Maxwell's equations. == Maxwell's equations == For reference, Maxwell's equations are summarized below in SI units and Gaussian units. They govern the electric field E and magnetic field B due to a source charge density ''ρ'' and current density J: : |$\backslash nabla\; \backslash cdot\; \backslash mathbf\; =\; 4\backslash pi\backslash rho$ |- ! scope="row" | Gauss's law for magnetism | $\backslash nabla\; \backslash cdot\; \backslash mathbf\; =\; 0$ | $\backslash nabla\; \backslash cdot\; \backslash mathbf\; =\; 0$ |- ! scope="row" | Maxwell–Faraday equation (Faraday's law of induction) |$\backslash nabla\; \backslash times\; \backslash mathbf\; =\; -\backslash frac$ | $\backslash nabla\; \backslash times\; \backslash mathbf\; =\; -\backslash frac\; \backslash frac$ |- ! scope="row" | Ampère's circuital law (with Maxwell's addition) | $\backslash nabla\; \backslash times\; \backslash mathbf\; =\; \backslash mu\_0\backslash left(\backslash mathbf\; +\; \backslash varepsilon\_0\; \backslash frac\; \backslash right)$ |$\backslash nabla\; \backslash times\; \backslash mathbf\; =\; \backslash frac\; \backslash left(4\backslash pi\backslash mathbf\; +\; \backslash frac\; \backslash right)$ |- |} where ''ε''0 is the vacuum permittivity and ''μ''0 is the vacuum permeability. Throughout, we also use the relation between ''ε''0 and ''μ''0 and the speed of light ''c'', namely: :$\backslash varepsilon\_0\backslash mu\_0\; =\; \backslash dfrac\backslash ,.$ 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「Inhomogeneous electromagnetic wave equation」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.