Summary
Energy sectors for solutions of nonlinear field equations are defined and their structure is investigated. The properties of dynamical charges contained in a given sector, their relations with symmetry groups and the breaking of local internal symmetries in a pure phase are discussed.
Riassunto
Si definiscono i settori di energia per le soluzioni di equazioni di campo non lineari, e se ne studia la struttura. Si discutono inoltre le proprietà delle cariche dinamiche contenute in un dato settore, le loro relazioni con gruppi di simmetria e la rottura di simmetrie locali interne in una fase pura.
Резюме
Опеделяются энергетические секторы для решений нелинейных полевых уравнений. Исследуется структура этих секторов. Обсуждаются свойства динамических зарядов, содержащихся в заданном секторе, их связь с группами симметрий и нарушение локальных внутренних симметрий в чистой фазе.
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Partially supported by Zentrum für Interdisziplinäre Forschung and by D.F.G., at the University of Bielefeld, D48 Bielefeld 1.
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Parenti, C., Strocchi, F. & Velo, G. Dynamical charges and symmetries in the nonlinear classical field theory. Nuovo Cim B 39, 147–164 (1977). https://doi.org/10.1007/BF02738185
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DOI: https://doi.org/10.1007/BF02738185