在粒子物理中,QCD中称为手征微扰理论的有效场论有更好的表现成功。<ref>{{Cite journal |arxiv = hep-ph/9311274|last1 = Leutwyler|first1 = H|title = On the Foundations of Chiral Perturbation Theory|journal = Annals of Physics|volume = 235|pages = 165–203|year = 1994|doi = 10.1006/aphy.1994.1094}}</ref>这一理论研究强子与π或kaon的相互作用,它们是自发手征对称性破坏的金石玻色子。膨胀参数是pion能量/动量。 | 在粒子物理中,QCD中称为手征微扰理论的有效场论有更好的表现成功。<ref>{{Cite journal |arxiv = hep-ph/9311274|last1 = Leutwyler|first1 = H|title = On the Foundations of Chiral Perturbation Theory|journal = Annals of Physics|volume = 235|pages = 165–203|year = 1994|doi = 10.1006/aphy.1994.1094}}</ref>这一理论研究强子与π或kaon的相互作用,它们是自发手征对称性破坏的金石玻色子。膨胀参数是pion能量/动量。 |