Some Consequences of Gauge Invariance
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概要
- 論文の詳細を見る
A simple theorem is stated to expand the matrix element for a process concerning any number of photons or external electromagnetic fields into the independent gauge invariant terms. It turns our-hat the number of such terms is uniquely determined by the initial and final states of the process, regardless of the intermediate states and the type of interaction. We have, for example, 4, 14, and 10 independent gauge invariant terms for the production of spin 0 and 1 mesons by photons and the Compton scattering, respectively. Some of the well-known absolute selection rules for meson decays can be also derived from this gauge invariant expansion theorem.
- 理論物理学刊行会の論文
著者
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MUGIBAYASHI Nobumichi
Department of Electrical and Electronic Engineering,Faculty of Engineering,Kobe University
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Kawaguchi Masaaki
Department Of Applied Mathematics Faculty Of Engineering Science
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KAWAGUCHI M.
Department of Pedodontics, Osaka University Graduate School of Dentistry
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Kawaguchi Masaaki
Department Of Physics Faculty Of Science Osaka University
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Mugibayashi N.
Department of Physics, Faculty of Science, Osaka University
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Mugibayashi N.
Department of Physics Kobe University
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Kawaguchi M.
Department of Physics, Faculty of Science, Osaka University
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