亲属
发表于 2025-3-23 11:12:10
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NOTCH
发表于 2025-3-23 14:39:29
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吸气
发表于 2025-3-23 18:44:44
Light propagation in other kinds of mediat cover all sorts of media with relevance to physics. Modifications of the following kind are possible. First, we could replace ansatz (2.12) with more complicated relations between field strengths and excitations. Second, we could introduce a current, i.e., a source term in the second Maxwell equat
Foreshadow
发表于 2025-3-24 00:43:18
Introduction to Part IIian formalism for ray optics in the cotangent bundle over .. In Chap. 6 we assume that, in addition, a Lorentzian metric is given on .. Specialized to the case dim. can then be interpreted as a spacetime in the sense of general relativity and our formalism covers ray optics in arbitrary media on suc
Myosin
发表于 2025-3-24 02:21:08
Ray-optical structures on Lorentzian manifoldsic . given on .. This metric is to be interpreted as a spacetime metric in the sense of general relativity, although for the mathematical formalism it will not be necessary to specialize to the case dim.. We shall assume, however, that dim. > 2 to exclude some pathologies.
暂停,间歇
发表于 2025-3-24 09:55:31
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哑剧
发表于 2025-3-24 14:45:57
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tendinitis
发表于 2025-3-24 17:42:03
Book 2000assumed to have some basic knowledge of general relativity and some familiarity with differential geometry. Some of the results are published here for the first time, e.g. a general-relativistic version of Fermat‘s principle for light rays in a medium that has to satisfy some regularity condition only.
真
发表于 2025-3-24 22:39:37
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Paraplegia
发表于 2025-3-25 02:10:05
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