Abstract
Spontaneously Broken Symmetries are defined and discussed from a qualitative point of view. Common properties and differences with usual symmetries are pointed out. It is stressed that Goldstone's Theorem is in many cases not applicable and that therefore the observed approximate hadron symmetries might be interpretable as spontaneously broken ones. Several examples in Quantum Electrodynamics are given.
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Herrn Prof. F. Bopp zum 60. Geburtstag gewidmet.
Die Arbeit wurde finanziell unterstützt durch das U. S. Army Research Office, das Conselho Nacional de Pesquisas und die Banco Nacional do Desenvolvimento Econômico.
Ich danke meinem Lehrer und Kollegen Herrn F. Bopp für sein Beispiel als Forscher und für das große Verständnis, das er mir nicht nur in wissenschaftlichen Angelegenheiten immer entgegengebracht hat.
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Maris, T.A.J. Bemerkungen zu spontan gebrochenen Symmetrien. Z. Physik 229, 392–402 (1969). https://doi.org/10.1007/BF01396265
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DOI: https://doi.org/10.1007/BF01396265