Titlebook: Effective Field Theory for Spontaneously Broken Symmetry; Tomáš Brauner Book‘‘‘‘‘‘‘‘ 2024 The Editor(s) (if applicable) and The Author(s)

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Paratexte der Bild-Schrift-Erzählungis to set up the basic framework for the book and to underline its broad relevance. The introduction is followed by an outline of the contents of the book. This informs the reader of the hierarchical structure of the material and of the dependencies among the various parts. A list of basic references for further reading is appended.

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Generalizations of the ModelIt is shown how this connection can be conveniently addressed using a low-energy effective field theory. Altogether, this chapter makes the reader ready for the general, state-of-the-art discussion of spontaneous symmetry breaking, Nambu–Goldstone bosons and their effective field theory description, which follows later in the book.

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Welche Einflussmöglichkeiten haben wir?chapter is devoted to highlighting some subtle features of spontaneous symmetry breaking. These include the properties of the ground state and the tower of low-lying excited states in a finite volume, and the absence of well-defined unitary operators representing broken symmetry in the thermodynamic limit.

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