Bosonization in Particle Physics

Details Bosonization in Particle Physics Bosonization in Particle Physics

1997-10-28

arxiv.org/abs/hep-ph/9710511v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, LaTeX, uses lamuphys.sty, 5 LaTeX figures, talk given at the Workshop "Field Theoretical Tools in Polymer and Partic

Scientific paper

10.1007/BFb0106879

Path integral techniques in collective fields are shown to be a useful analytical tool to reformulate a field theory defined in terms of microscopic quark (gluon) degrees of freedom as an effective theory of collective boson (meson) fields. For illustrations, the path integral bosonization approach is applied to derive a (non)linear sigma model from a Nambu-Jona-Lasinio (NJL) quark model. The method can be extended to include higher order derivative terms in meson fields or heavy-quark symmetries. It is also approximately applicable to QCD.

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