Current renormalization in finite volume

Jie Hu, Fu Jiun Jiang, Brian C. Tiburzi

研究成果: 雜誌貢獻文章

15 引文 斯高帕斯(Scopus)


For finite volume field theories with discrete translational invariance, conserved currents can be additively renormalized by infrared effects. We demonstrate this for pions using chiral perturbation theory coupled to electromagnetism in a periodic box. Gauge invariant single particle effective theories are constructed to explain these results. In such theories, current renormalization arises from operators involving the zero mode of the gauge field. No contradictions with Ward identities, or low-energy theorems are encountered.

頁(從 - 到)350-357
期刊Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
出版狀態已發佈 - 2007 九月 20

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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