Chiral Quark Dynamics
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Beschreibung
These notes give an introduction to the description of hadrons, i.e., mesons and baryons, within a quark model based on a chirally invariant quantum field theory. Emphasis is put on a didactic approach intended for graduate students with some background on functional integral techniques. Starting from QCD a motivation of a specific form of the effective quark interaction is given. Functional integral bosonization leads to a theory describing successfully meson properties. It possesses solitonic solutions which are identified as baryons. Via functional integral techniques a Faddeev equation for baryons describing them as bound states of a diquark and a quark is derived. Finally, a unification of these two complementary pictures of baryons is proposed.
Autor*in
Reinhard Alkofer
Themen in »Chiral Quark Dynamics«
Baryon Boson Chirale Solitonen Chirale Symmetrie Faddeec Equation Fadeevgleichung Mambu-Jona-Lasinio Model Meson Quark chiral symmetry hadron quantenchromodynamik quantum field quantum field theory soliton