Chiral perturbation theory

Layer 1 — Physicsin the Effective Field Theory subtree

Weinberg / Gasser-Leutwyler: low-energy QCD with pions / kaons / etas as Goldstones of broken chiral symmetry; expansion in p^2 / Lambda_chi^2 (Lambda_chi about 1 GeV); SU(3) flavor.

Related concepts

Matrix and determinant

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